George | 666e845 | 2011-02-19 16:29:27 -0600 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright(c) 2009-2010 Realtek Corporation. All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of version 2 of the GNU General Public License as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 17 | * |
| 18 | * The full GNU General Public License is included in this distribution in the |
| 19 | * file called LICENSE. |
| 20 | * |
| 21 | * Contact Information: |
| 22 | * wlanfae <wlanfae@realtek.com> |
| 23 | * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, |
| 24 | * Hsinchu 300, Taiwan. |
| 25 | * |
| 26 | * Larry Finger <Larry.Finger@lwfinger.net> |
| 27 | * |
| 28 | ****************************************************************************/ |
| 29 | #include <linux/module.h> |
| 30 | |
| 31 | #include "../wifi.h" |
| 32 | #include "../pci.h" |
| 33 | #include "../usb.h" |
| 34 | #include "../ps.h" |
| 35 | #include "../cam.h" |
| 36 | #include "reg.h" |
| 37 | #include "def.h" |
| 38 | #include "phy.h" |
| 39 | #include "rf.h" |
| 40 | #include "dm.h" |
| 41 | #include "mac.h" |
| 42 | #include "trx.h" |
| 43 | |
| 44 | /* macro to shorten lines */ |
| 45 | |
| 46 | #define LINK_Q ui_link_quality |
| 47 | #define RX_EVM rx_evm_percentage |
| 48 | #define RX_SIGQ rx_mimo_signalquality |
| 49 | |
| 50 | |
| 51 | void rtl92c_read_chip_version(struct ieee80211_hw *hw) |
| 52 | { |
| 53 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 54 | struct rtl_phy *rtlphy = &(rtlpriv->phy); |
| 55 | struct rtl_hal *rtlhal = rtl_hal(rtlpriv); |
| 56 | enum version_8192c chip_version = VERSION_UNKNOWN; |
| 57 | u32 value32; |
| 58 | |
| 59 | value32 = rtl_read_dword(rtlpriv, REG_SYS_CFG); |
| 60 | if (value32 & TRP_VAUX_EN) { |
| 61 | chip_version = (value32 & TYPE_ID) ? VERSION_TEST_CHIP_92C : |
| 62 | VERSION_TEST_CHIP_88C; |
| 63 | } else { |
| 64 | /* Normal mass production chip. */ |
| 65 | chip_version = NORMAL_CHIP; |
| 66 | chip_version |= ((value32 & TYPE_ID) ? CHIP_92C : 0); |
| 67 | chip_version |= ((value32 & VENDOR_ID) ? CHIP_VENDOR_UMC : 0); |
| 68 | /* RTL8723 with BT function. */ |
| 69 | chip_version |= ((value32 & BT_FUNC) ? CHIP_8723 : 0); |
| 70 | if (IS_VENDOR_UMC(chip_version)) |
| 71 | chip_version |= ((value32 & CHIP_VER_RTL_MASK) ? |
| 72 | CHIP_VENDOR_UMC_B_CUT : 0); |
| 73 | if (IS_92C_SERIAL(chip_version)) { |
| 74 | value32 = rtl_read_dword(rtlpriv, REG_HPON_FSM); |
| 75 | chip_version |= ((CHIP_BONDING_IDENTIFIER(value32) == |
| 76 | CHIP_BONDING_92C_1T2R) ? CHIP_92C_1T2R : 0); |
| 77 | } else if (IS_8723_SERIES(chip_version)) { |
| 78 | value32 = rtl_read_dword(rtlpriv, REG_GPIO_OUTSTS); |
| 79 | chip_version |= ((value32 & RF_RL_ID) ? |
| 80 | CHIP_8723_DRV_REV : 0); |
| 81 | } |
| 82 | } |
| 83 | rtlhal->version = (enum version_8192c)chip_version; |
| 84 | switch (rtlhal->version) { |
| 85 | case VERSION_NORMAL_TSMC_CHIP_92C_1T2R: |
| 86 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 87 | ("Chip Version ID: VERSION_B_CHIP_92C.\n")); |
| 88 | break; |
| 89 | case VERSION_NORMAL_TSMC_CHIP_92C: |
| 90 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 91 | ("Chip Version ID: VERSION_NORMAL_TSMC_CHIP_92C.\n")); |
| 92 | break; |
| 93 | case VERSION_NORMAL_TSMC_CHIP_88C: |
| 94 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 95 | ("Chip Version ID: VERSION_NORMAL_TSMC_CHIP_88C.\n")); |
| 96 | break; |
| 97 | case VERSION_NORMAL_UMC_CHIP_92C_1T2R_A_CUT: |
| 98 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 99 | ("Chip Version ID: VERSION_NORMAL_UMC_CHIP_i" |
| 100 | "92C_1T2R_A_CUT.\n")); |
| 101 | break; |
| 102 | case VERSION_NORMAL_UMC_CHIP_92C_A_CUT: |
| 103 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 104 | ("Chip Version ID: VERSION_NORMAL_UMC_CHIP_" |
| 105 | "92C_A_CUT.\n")); |
| 106 | break; |
| 107 | case VERSION_NORMAL_UMC_CHIP_88C_A_CUT: |
| 108 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 109 | ("Chip Version ID: VERSION_NORMAL_UMC_CHIP" |
| 110 | "_88C_A_CUT.\n")); |
| 111 | break; |
| 112 | case VERSION_NORMAL_UMC_CHIP_92C_1T2R_B_CUT: |
| 113 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 114 | ("Chip Version ID: VERSION_NORMAL_UMC_CHIP" |
| 115 | "_92C_1T2R_B_CUT.\n")); |
| 116 | break; |
| 117 | case VERSION_NORMAL_UMC_CHIP_92C_B_CUT: |
| 118 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 119 | ("Chip Version ID: VERSION_NORMAL_UMC_CHIP" |
| 120 | "_92C_B_CUT.\n")); |
| 121 | break; |
| 122 | case VERSION_NORMAL_UMC_CHIP_88C_B_CUT: |
| 123 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 124 | ("Chip Version ID: VERSION_NORMAL_UMC_CHIP" |
| 125 | "_88C_B_CUT.\n")); |
| 126 | break; |
| 127 | case VERSION_NORMA_UMC_CHIP_8723_1T1R_A_CUT: |
| 128 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 129 | ("Chip Version ID: VERSION_NORMA_UMC_CHIP" |
| 130 | "_8723_1T1R_A_CUT.\n")); |
| 131 | break; |
| 132 | case VERSION_NORMA_UMC_CHIP_8723_1T1R_B_CUT: |
| 133 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 134 | ("Chip Version ID: VERSION_NORMA_UMC_CHIP" |
| 135 | "_8723_1T1R_B_CUT.\n")); |
| 136 | break; |
| 137 | case VERSION_TEST_CHIP_92C: |
| 138 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 139 | ("Chip Version ID: VERSION_TEST_CHIP_92C.\n")); |
| 140 | break; |
| 141 | case VERSION_TEST_CHIP_88C: |
| 142 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 143 | ("Chip Version ID: VERSION_TEST_CHIP_88C.\n")); |
| 144 | break; |
| 145 | default: |
| 146 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 147 | ("Chip Version ID: ???????????????.\n")); |
| 148 | break; |
| 149 | } |
| 150 | if (IS_92C_SERIAL(rtlhal->version)) |
| 151 | rtlphy->rf_type = |
| 152 | (IS_92C_1T2R(rtlhal->version)) ? RF_1T2R : RF_2T2R; |
| 153 | else |
| 154 | rtlphy->rf_type = RF_1T1R; |
| 155 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, |
| 156 | ("Chip RF Type: %s\n", (rtlphy->rf_type == RF_2T2R) ? |
| 157 | "RF_2T2R" : "RF_1T1R")); |
| 158 | if (get_rf_type(rtlphy) == RF_1T1R) |
| 159 | rtlpriv->dm.rfpath_rxenable[0] = true; |
| 160 | else |
| 161 | rtlpriv->dm.rfpath_rxenable[0] = |
| 162 | rtlpriv->dm.rfpath_rxenable[1] = true; |
| 163 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("VersionID = 0x%4x\n", |
| 164 | rtlhal->version)); |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * writeLLT - LLT table write access |
| 169 | * @io: io callback |
| 170 | * @address: LLT logical address. |
| 171 | * @data: LLT data content |
| 172 | * |
| 173 | * Realtek hardware access function. |
| 174 | * |
| 175 | */ |
| 176 | bool rtl92c_llt_write(struct ieee80211_hw *hw, u32 address, u32 data) |
| 177 | { |
| 178 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 179 | bool status = true; |
| 180 | long count = 0; |
| 181 | u32 value = _LLT_INIT_ADDR(address) | |
| 182 | _LLT_INIT_DATA(data) | _LLT_OP(_LLT_WRITE_ACCESS); |
| 183 | |
| 184 | rtl_write_dword(rtlpriv, REG_LLT_INIT, value); |
| 185 | do { |
| 186 | value = rtl_read_dword(rtlpriv, REG_LLT_INIT); |
| 187 | if (_LLT_NO_ACTIVE == _LLT_OP_VALUE(value)) |
| 188 | break; |
| 189 | if (count > POLLING_LLT_THRESHOLD) { |
| 190 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, |
| 191 | ("Failed to polling write LLT done at" |
| 192 | " address %d! _LLT_OP_VALUE(%x)\n", |
| 193 | address, _LLT_OP_VALUE(value))); |
| 194 | status = false; |
| 195 | break; |
| 196 | } |
| 197 | } while (++count); |
| 198 | return status; |
| 199 | } |
| 200 | /** |
| 201 | * rtl92c_init_LLT_table - Init LLT table |
| 202 | * @io: io callback |
| 203 | * @boundary: |
| 204 | * |
| 205 | * Realtek hardware access function. |
| 206 | * |
| 207 | */ |
| 208 | bool rtl92c_init_llt_table(struct ieee80211_hw *hw, u32 boundary) |
| 209 | { |
| 210 | bool rst = true; |
| 211 | u32 i; |
| 212 | |
| 213 | for (i = 0; i < (boundary - 1); i++) { |
| 214 | rst = rtl92c_llt_write(hw, i , i + 1); |
| 215 | if (true != rst) { |
| 216 | printk(KERN_ERR "===> %s #1 fail\n", __func__); |
| 217 | return rst; |
| 218 | } |
| 219 | } |
| 220 | /* end of list */ |
| 221 | rst = rtl92c_llt_write(hw, (boundary - 1), 0xFF); |
| 222 | if (true != rst) { |
| 223 | printk(KERN_ERR "===> %s #2 fail\n", __func__); |
| 224 | return rst; |
| 225 | } |
| 226 | /* Make the other pages as ring buffer |
| 227 | * This ring buffer is used as beacon buffer if we config this MAC |
| 228 | * as two MAC transfer. |
| 229 | * Otherwise used as local loopback buffer. |
| 230 | */ |
| 231 | for (i = boundary; i < LLT_LAST_ENTRY_OF_TX_PKT_BUFFER; i++) { |
| 232 | rst = rtl92c_llt_write(hw, i, (i + 1)); |
| 233 | if (true != rst) { |
| 234 | printk(KERN_ERR "===> %s #3 fail\n", __func__); |
| 235 | return rst; |
| 236 | } |
| 237 | } |
| 238 | /* Let last entry point to the start entry of ring buffer */ |
| 239 | rst = rtl92c_llt_write(hw, LLT_LAST_ENTRY_OF_TX_PKT_BUFFER, boundary); |
| 240 | if (true != rst) { |
| 241 | printk(KERN_ERR "===> %s #4 fail\n", __func__); |
| 242 | return rst; |
| 243 | } |
| 244 | return rst; |
| 245 | } |
| 246 | void rtl92c_set_key(struct ieee80211_hw *hw, u32 key_index, |
| 247 | u8 *p_macaddr, bool is_group, u8 enc_algo, |
| 248 | bool is_wepkey, bool clear_all) |
| 249 | { |
| 250 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 251 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| 252 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); |
| 253 | u8 *macaddr = p_macaddr; |
| 254 | u32 entry_id = 0; |
| 255 | bool is_pairwise = false; |
| 256 | static u8 cam_const_addr[4][6] = { |
| 257 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
| 258 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x01}, |
| 259 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x02}, |
| 260 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} |
| 261 | }; |
| 262 | static u8 cam_const_broad[] = { |
| 263 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| 264 | }; |
| 265 | |
| 266 | if (clear_all) { |
| 267 | u8 idx = 0; |
| 268 | u8 cam_offset = 0; |
| 269 | u8 clear_number = 5; |
| 270 | |
| 271 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("clear_all\n")); |
| 272 | for (idx = 0; idx < clear_number; idx++) { |
| 273 | rtl_cam_mark_invalid(hw, cam_offset + idx); |
| 274 | rtl_cam_empty_entry(hw, cam_offset + idx); |
| 275 | if (idx < 5) { |
| 276 | memset(rtlpriv->sec.key_buf[idx], 0, |
| 277 | MAX_KEY_LEN); |
| 278 | rtlpriv->sec.key_len[idx] = 0; |
| 279 | } |
| 280 | } |
| 281 | } else { |
| 282 | switch (enc_algo) { |
| 283 | case WEP40_ENCRYPTION: |
| 284 | enc_algo = CAM_WEP40; |
| 285 | break; |
| 286 | case WEP104_ENCRYPTION: |
| 287 | enc_algo = CAM_WEP104; |
| 288 | break; |
| 289 | case TKIP_ENCRYPTION: |
| 290 | enc_algo = CAM_TKIP; |
| 291 | break; |
| 292 | case AESCCMP_ENCRYPTION: |
| 293 | enc_algo = CAM_AES; |
| 294 | break; |
| 295 | default: |
| 296 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, |
| 297 | ("iillegal switch case\n")); |
| 298 | enc_algo = CAM_TKIP; |
| 299 | break; |
| 300 | } |
| 301 | if (is_wepkey || rtlpriv->sec.use_defaultkey) { |
| 302 | macaddr = cam_const_addr[key_index]; |
| 303 | entry_id = key_index; |
| 304 | } else { |
| 305 | if (is_group) { |
| 306 | macaddr = cam_const_broad; |
| 307 | entry_id = key_index; |
| 308 | } else { |
| 309 | key_index = PAIRWISE_KEYIDX; |
| 310 | entry_id = CAM_PAIRWISE_KEY_POSITION; |
| 311 | is_pairwise = true; |
| 312 | } |
| 313 | } |
| 314 | if (rtlpriv->sec.key_len[key_index] == 0) { |
| 315 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, |
| 316 | ("delete one entry\n")); |
| 317 | rtl_cam_delete_one_entry(hw, p_macaddr, entry_id); |
| 318 | } else { |
| 319 | RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, |
| 320 | ("The insert KEY length is %d\n", |
| 321 | rtlpriv->sec.key_len[PAIRWISE_KEYIDX])); |
| 322 | RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, |
| 323 | ("The insert KEY is %x %x\n", |
| 324 | rtlpriv->sec.key_buf[0][0], |
| 325 | rtlpriv->sec.key_buf[0][1])); |
| 326 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, |
| 327 | ("add one entry\n")); |
| 328 | if (is_pairwise) { |
| 329 | RT_PRINT_DATA(rtlpriv, COMP_SEC, DBG_LOUD, |
| 330 | "Pairwiase Key content :", |
| 331 | rtlpriv->sec.pairwise_key, |
| 332 | rtlpriv->sec. |
| 333 | key_len[PAIRWISE_KEYIDX]); |
| 334 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, |
| 335 | ("set Pairwiase key\n")); |
| 336 | |
| 337 | rtl_cam_add_one_entry(hw, macaddr, key_index, |
| 338 | entry_id, enc_algo, |
| 339 | CAM_CONFIG_NO_USEDK, |
| 340 | rtlpriv->sec. |
| 341 | key_buf[key_index]); |
| 342 | } else { |
| 343 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, |
| 344 | ("set group key\n")); |
| 345 | if (mac->opmode == NL80211_IFTYPE_ADHOC) { |
| 346 | rtl_cam_add_one_entry(hw, |
| 347 | rtlefuse->dev_addr, |
| 348 | PAIRWISE_KEYIDX, |
| 349 | CAM_PAIRWISE_KEY_POSITION, |
| 350 | enc_algo, |
| 351 | CAM_CONFIG_NO_USEDK, |
| 352 | rtlpriv->sec.key_buf |
| 353 | [entry_id]); |
| 354 | } |
| 355 | rtl_cam_add_one_entry(hw, macaddr, key_index, |
| 356 | entry_id, enc_algo, |
| 357 | CAM_CONFIG_NO_USEDK, |
| 358 | rtlpriv->sec.key_buf[entry_id]); |
| 359 | } |
| 360 | } |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | u32 rtl92c_get_txdma_status(struct ieee80211_hw *hw) |
| 365 | { |
| 366 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 367 | |
| 368 | return rtl_read_dword(rtlpriv, REG_TXDMA_STATUS); |
| 369 | } |
| 370 | |
| 371 | void rtl92c_enable_interrupt(struct ieee80211_hw *hw) |
| 372 | { |
| 373 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 374 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
| 375 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 376 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); |
| 377 | |
| 378 | if (IS_HARDWARE_TYPE_8192CE(rtlhal)) { |
| 379 | rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] & |
| 380 | 0xFFFFFFFF); |
| 381 | rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] & |
| 382 | 0xFFFFFFFF); |
| 383 | rtlpci->irq_enabled = true; |
| 384 | } else { |
| 385 | rtl_write_dword(rtlpriv, REG_HIMR, rtlusb->irq_mask[0] & |
| 386 | 0xFFFFFFFF); |
| 387 | rtl_write_dword(rtlpriv, REG_HIMRE, rtlusb->irq_mask[1] & |
| 388 | 0xFFFFFFFF); |
| 389 | rtlusb->irq_enabled = true; |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | void rtl92c_init_interrupt(struct ieee80211_hw *hw) |
| 394 | { |
| 395 | rtl92c_enable_interrupt(hw); |
| 396 | } |
| 397 | |
| 398 | void rtl92c_disable_interrupt(struct ieee80211_hw *hw) |
| 399 | { |
| 400 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 401 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
| 402 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 403 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); |
| 404 | |
| 405 | rtl_write_dword(rtlpriv, REG_HIMR, IMR8190_DISABLED); |
| 406 | rtl_write_dword(rtlpriv, REG_HIMRE, IMR8190_DISABLED); |
| 407 | if (IS_HARDWARE_TYPE_8192CE(rtlhal)) |
| 408 | rtlpci->irq_enabled = false; |
| 409 | else if (IS_HARDWARE_TYPE_8192CU(rtlhal)) |
| 410 | rtlusb->irq_enabled = false; |
| 411 | } |
| 412 | |
| 413 | void rtl92c_set_qos(struct ieee80211_hw *hw, int aci) |
| 414 | { |
| 415 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 416 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| 417 | u32 u4b_ac_param; |
| 418 | |
| 419 | rtl92c_dm_init_edca_turbo(hw); |
| 420 | u4b_ac_param = (u32) mac->ac[aci].aifs; |
| 421 | u4b_ac_param |= |
| 422 | ((u32) le16_to_cpu(mac->ac[aci].cw_min) & 0xF) << |
| 423 | AC_PARAM_ECW_MIN_OFFSET; |
| 424 | u4b_ac_param |= |
| 425 | ((u32) le16_to_cpu(mac->ac[aci].cw_max) & 0xF) << |
| 426 | AC_PARAM_ECW_MAX_OFFSET; |
| 427 | u4b_ac_param |= (u32) le16_to_cpu(mac->ac[aci].tx_op) << |
| 428 | AC_PARAM_TXOP_OFFSET; |
| 429 | RT_TRACE(rtlpriv, COMP_QOS, DBG_LOUD, |
| 430 | ("queue:%x, ac_param:%x\n", aci, u4b_ac_param)); |
| 431 | switch (aci) { |
| 432 | case AC1_BK: |
| 433 | rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, u4b_ac_param); |
| 434 | break; |
| 435 | case AC0_BE: |
| 436 | rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, u4b_ac_param); |
| 437 | break; |
| 438 | case AC2_VI: |
| 439 | rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, u4b_ac_param); |
| 440 | break; |
| 441 | case AC3_VO: |
| 442 | rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, u4b_ac_param); |
| 443 | break; |
| 444 | default: |
| 445 | RT_ASSERT(false, ("invalid aci: %d !\n", aci)); |
| 446 | break; |
| 447 | } |
| 448 | } |
| 449 | |
| 450 | /*------------------------------------------------------------------------- |
| 451 | * HW MAC Address |
| 452 | *-------------------------------------------------------------------------*/ |
| 453 | void rtl92c_set_mac_addr(struct ieee80211_hw *hw, const u8 *addr) |
| 454 | { |
| 455 | u32 i; |
| 456 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 457 | |
| 458 | for (i = 0 ; i < ETH_ALEN ; i++) |
| 459 | rtl_write_byte(rtlpriv, (REG_MACID + i), *(addr+i)); |
| 460 | |
| 461 | RT_TRACE(rtlpriv, COMP_CMD, DBG_DMESG, ("MAC Address: %02X-%02X-%02X-" |
| 462 | "%02X-%02X-%02X\n", |
| 463 | rtl_read_byte(rtlpriv, REG_MACID), |
| 464 | rtl_read_byte(rtlpriv, REG_MACID+1), |
| 465 | rtl_read_byte(rtlpriv, REG_MACID+2), |
| 466 | rtl_read_byte(rtlpriv, REG_MACID+3), |
| 467 | rtl_read_byte(rtlpriv, REG_MACID+4), |
| 468 | rtl_read_byte(rtlpriv, REG_MACID+5))); |
| 469 | } |
| 470 | |
| 471 | void rtl92c_init_driver_info_size(struct ieee80211_hw *hw, u8 size) |
| 472 | { |
| 473 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 474 | rtl_write_byte(rtlpriv, REG_RX_DRVINFO_SZ, size); |
| 475 | } |
| 476 | |
| 477 | int rtl92c_set_network_type(struct ieee80211_hw *hw, enum nl80211_iftype type) |
| 478 | { |
| 479 | u8 value; |
| 480 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 481 | |
| 482 | switch (type) { |
| 483 | case NL80211_IFTYPE_UNSPECIFIED: |
| 484 | value = NT_NO_LINK; |
| 485 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 486 | ("Set Network type to NO LINK!\n")); |
| 487 | break; |
| 488 | case NL80211_IFTYPE_ADHOC: |
| 489 | value = NT_LINK_AD_HOC; |
| 490 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 491 | ("Set Network type to Ad Hoc!\n")); |
| 492 | break; |
| 493 | case NL80211_IFTYPE_STATION: |
| 494 | value = NT_LINK_AP; |
| 495 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 496 | ("Set Network type to STA!\n")); |
| 497 | break; |
| 498 | case NL80211_IFTYPE_AP: |
| 499 | value = NT_AS_AP; |
| 500 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 501 | ("Set Network type to AP!\n")); |
| 502 | break; |
| 503 | default: |
| 504 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 505 | ("Network type %d not support!\n", type)); |
| 506 | return -EOPNOTSUPP; |
| 507 | } |
| 508 | rtl_write_byte(rtlpriv, (REG_CR + 2), value); |
| 509 | return 0; |
| 510 | } |
| 511 | |
| 512 | void rtl92c_init_network_type(struct ieee80211_hw *hw) |
| 513 | { |
| 514 | rtl92c_set_network_type(hw, NL80211_IFTYPE_UNSPECIFIED); |
| 515 | } |
| 516 | |
| 517 | void rtl92c_init_adaptive_ctrl(struct ieee80211_hw *hw) |
| 518 | { |
| 519 | u16 value16; |
| 520 | u32 value32; |
| 521 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 522 | |
| 523 | /* Response Rate Set */ |
| 524 | value32 = rtl_read_dword(rtlpriv, REG_RRSR); |
| 525 | value32 &= ~RATE_BITMAP_ALL; |
| 526 | value32 |= RATE_RRSR_CCK_ONLY_1M; |
| 527 | rtl_write_dword(rtlpriv, REG_RRSR, value32); |
| 528 | /* SIFS (used in NAV) */ |
| 529 | value16 = _SPEC_SIFS_CCK(0x10) | _SPEC_SIFS_OFDM(0x10); |
| 530 | rtl_write_word(rtlpriv, REG_SPEC_SIFS, value16); |
| 531 | /* Retry Limit */ |
| 532 | value16 = _LRL(0x30) | _SRL(0x30); |
| 533 | rtl_write_dword(rtlpriv, REG_RL, value16); |
| 534 | } |
| 535 | |
| 536 | void rtl92c_init_rate_fallback(struct ieee80211_hw *hw) |
| 537 | { |
| 538 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 539 | |
| 540 | /* Set Data Auto Rate Fallback Retry Count register. */ |
| 541 | rtl_write_dword(rtlpriv, REG_DARFRC, 0x00000000); |
| 542 | rtl_write_dword(rtlpriv, REG_DARFRC+4, 0x10080404); |
| 543 | rtl_write_dword(rtlpriv, REG_RARFRC, 0x04030201); |
| 544 | rtl_write_dword(rtlpriv, REG_RARFRC+4, 0x08070605); |
| 545 | } |
| 546 | |
| 547 | static void rtl92c_set_cck_sifs(struct ieee80211_hw *hw, u8 trx_sifs, |
| 548 | u8 ctx_sifs) |
| 549 | { |
| 550 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 551 | |
| 552 | rtl_write_byte(rtlpriv, REG_SIFS_CCK, trx_sifs); |
| 553 | rtl_write_byte(rtlpriv, (REG_SIFS_CCK + 1), ctx_sifs); |
| 554 | } |
| 555 | |
| 556 | static void rtl92c_set_ofdm_sifs(struct ieee80211_hw *hw, u8 trx_sifs, |
| 557 | u8 ctx_sifs) |
| 558 | { |
| 559 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 560 | |
| 561 | rtl_write_byte(rtlpriv, REG_SIFS_OFDM, trx_sifs); |
| 562 | rtl_write_byte(rtlpriv, (REG_SIFS_OFDM + 1), ctx_sifs); |
| 563 | } |
| 564 | |
| 565 | void rtl92c_init_edca_param(struct ieee80211_hw *hw, |
| 566 | u16 queue, u16 txop, u8 cw_min, u8 cw_max, u8 aifs) |
| 567 | { |
| 568 | /* sequence: VO, VI, BE, BK ==> the same as 92C hardware design. |
| 569 | * referenc : enum nl80211_txq_q or ieee80211_set_wmm_default function. |
| 570 | */ |
| 571 | u32 value; |
| 572 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 573 | |
| 574 | value = (u32)aifs; |
| 575 | value |= ((u32)cw_min & 0xF) << 8; |
| 576 | value |= ((u32)cw_max & 0xF) << 12; |
| 577 | value |= (u32)txop << 16; |
| 578 | /* 92C hardware register sequence is the same as queue number. */ |
| 579 | rtl_write_dword(rtlpriv, (REG_EDCA_VO_PARAM + (queue * 4)), value); |
| 580 | } |
| 581 | |
| 582 | void rtl92c_init_edca(struct ieee80211_hw *hw) |
| 583 | { |
| 584 | u16 value16; |
| 585 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 586 | |
| 587 | /* disable EDCCA count down, to reduce collison and retry */ |
| 588 | value16 = rtl_read_word(rtlpriv, REG_RD_CTRL); |
| 589 | value16 |= DIS_EDCA_CNT_DWN; |
| 590 | rtl_write_word(rtlpriv, REG_RD_CTRL, value16); |
| 591 | /* Update SIFS timing. ?????????? |
| 592 | * pHalData->SifsTime = 0x0e0e0a0a; */ |
| 593 | rtl92c_set_cck_sifs(hw, 0xa, 0xa); |
| 594 | rtl92c_set_ofdm_sifs(hw, 0xe, 0xe); |
| 595 | /* Set CCK/OFDM SIFS to be 10us. */ |
| 596 | rtl_write_word(rtlpriv, REG_SIFS_CCK, 0x0a0a); |
| 597 | rtl_write_word(rtlpriv, REG_SIFS_OFDM, 0x1010); |
| 598 | rtl_write_word(rtlpriv, REG_PROT_MODE_CTRL, 0x0204); |
| 599 | rtl_write_dword(rtlpriv, REG_BAR_MODE_CTRL, 0x014004); |
| 600 | /* TXOP */ |
| 601 | rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, 0x005EA42B); |
| 602 | rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, 0x0000A44F); |
| 603 | rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, 0x005EA324); |
| 604 | rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, 0x002FA226); |
| 605 | /* PIFS */ |
| 606 | rtl_write_byte(rtlpriv, REG_PIFS, 0x1C); |
| 607 | /* AGGR BREAK TIME Register */ |
| 608 | rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16); |
| 609 | rtl_write_word(rtlpriv, REG_NAV_PROT_LEN, 0x0040); |
| 610 | rtl_write_byte(rtlpriv, REG_BCNDMATIM, 0x02); |
| 611 | rtl_write_byte(rtlpriv, REG_ATIMWND, 0x02); |
| 612 | } |
| 613 | |
| 614 | void rtl92c_init_ampdu_aggregation(struct ieee80211_hw *hw) |
| 615 | { |
| 616 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 617 | |
| 618 | rtl_write_dword(rtlpriv, REG_AGGLEN_LMT, 0x99997631); |
| 619 | rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16); |
| 620 | /* init AMPDU aggregation number, tuning for Tx's TP, */ |
| 621 | rtl_write_word(rtlpriv, 0x4CA, 0x0708); |
| 622 | } |
| 623 | |
| 624 | void rtl92c_init_beacon_max_error(struct ieee80211_hw *hw, bool infra_mode) |
| 625 | { |
| 626 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 627 | |
| 628 | rtl_write_byte(rtlpriv, REG_BCN_MAX_ERR, 0xFF); |
| 629 | } |
| 630 | |
| 631 | void rtl92c_init_rdg_setting(struct ieee80211_hw *hw) |
| 632 | { |
| 633 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 634 | |
| 635 | rtl_write_byte(rtlpriv, REG_RD_CTRL, 0xFF); |
| 636 | rtl_write_word(rtlpriv, REG_RD_NAV_NXT, 0x200); |
| 637 | rtl_write_byte(rtlpriv, REG_RD_RESP_PKT_TH, 0x05); |
| 638 | } |
| 639 | |
| 640 | void rtl92c_init_retry_function(struct ieee80211_hw *hw) |
| 641 | { |
| 642 | u8 value8; |
| 643 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 644 | |
| 645 | value8 = rtl_read_byte(rtlpriv, REG_FWHW_TXQ_CTRL); |
| 646 | value8 |= EN_AMPDU_RTY_NEW; |
| 647 | rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL, value8); |
| 648 | /* Set ACK timeout */ |
| 649 | rtl_write_byte(rtlpriv, REG_ACKTO, 0x40); |
| 650 | } |
| 651 | |
| 652 | void rtl92c_init_beacon_parameters(struct ieee80211_hw *hw, |
| 653 | enum version_8192c version) |
| 654 | { |
| 655 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 656 | struct rtl_hal *rtlhal = rtl_hal(rtlpriv); |
| 657 | |
| 658 | rtl_write_word(rtlpriv, REG_TBTT_PROHIBIT, 0x6404);/* ms */ |
| 659 | rtl_write_byte(rtlpriv, REG_DRVERLYINT, DRIVER_EARLY_INT_TIME);/*ms*/ |
| 660 | rtl_write_byte(rtlpriv, REG_BCNDMATIM, BCN_DMA_ATIME_INT_TIME); |
| 661 | if (IS_NORMAL_CHIP(rtlhal->version)) |
| 662 | rtl_write_word(rtlpriv, REG_BCNTCFG, 0x660F); |
| 663 | else |
| 664 | rtl_write_word(rtlpriv, REG_BCNTCFG, 0x66FF); |
| 665 | } |
| 666 | |
| 667 | void rtl92c_disable_fast_edca(struct ieee80211_hw *hw) |
| 668 | { |
| 669 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 670 | |
| 671 | rtl_write_word(rtlpriv, REG_FAST_EDCA_CTRL, 0); |
| 672 | } |
| 673 | |
| 674 | void rtl92c_set_min_space(struct ieee80211_hw *hw, bool is2T) |
| 675 | { |
| 676 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 677 | u8 value = is2T ? MAX_MSS_DENSITY_2T : MAX_MSS_DENSITY_1T; |
| 678 | |
| 679 | rtl_write_byte(rtlpriv, REG_AMPDU_MIN_SPACE, value); |
| 680 | } |
| 681 | |
| 682 | u16 rtl92c_get_mgt_filter(struct ieee80211_hw *hw) |
| 683 | { |
| 684 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 685 | |
| 686 | return rtl_read_word(rtlpriv, REG_RXFLTMAP0); |
| 687 | } |
| 688 | |
| 689 | void rtl92c_set_mgt_filter(struct ieee80211_hw *hw, u16 filter) |
| 690 | { |
| 691 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 692 | |
| 693 | rtl_write_word(rtlpriv, REG_RXFLTMAP0, filter); |
| 694 | } |
| 695 | |
| 696 | u16 rtl92c_get_ctrl_filter(struct ieee80211_hw *hw) |
| 697 | { |
| 698 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 699 | |
| 700 | return rtl_read_word(rtlpriv, REG_RXFLTMAP1); |
| 701 | } |
| 702 | |
| 703 | void rtl92c_set_ctrl_filter(struct ieee80211_hw *hw, u16 filter) |
| 704 | { |
| 705 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 706 | |
| 707 | rtl_write_word(rtlpriv, REG_RXFLTMAP1, filter); |
| 708 | } |
| 709 | |
| 710 | u16 rtl92c_get_data_filter(struct ieee80211_hw *hw) |
| 711 | { |
| 712 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 713 | |
| 714 | return rtl_read_word(rtlpriv, REG_RXFLTMAP2); |
| 715 | } |
| 716 | |
| 717 | void rtl92c_set_data_filter(struct ieee80211_hw *hw, u16 filter) |
| 718 | { |
| 719 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 720 | |
| 721 | rtl_write_word(rtlpriv, REG_RXFLTMAP2, filter); |
| 722 | } |
| 723 | /*==============================================================*/ |
| 724 | |
| 725 | static u8 _rtl92c_query_rxpwrpercentage(char antpower) |
| 726 | { |
| 727 | if ((antpower <= -100) || (antpower >= 20)) |
| 728 | return 0; |
| 729 | else if (antpower >= 0) |
| 730 | return 100; |
| 731 | else |
| 732 | return 100 + antpower; |
| 733 | } |
| 734 | |
| 735 | static u8 _rtl92c_evm_db_to_percentage(char value) |
| 736 | { |
| 737 | char ret_val; |
| 738 | |
| 739 | ret_val = value; |
| 740 | if (ret_val >= 0) |
| 741 | ret_val = 0; |
| 742 | if (ret_val <= -33) |
| 743 | ret_val = -33; |
| 744 | ret_val = 0 - ret_val; |
| 745 | ret_val *= 3; |
| 746 | if (ret_val == 99) |
| 747 | ret_val = 100; |
| 748 | return ret_val; |
| 749 | } |
| 750 | |
| 751 | static long _rtl92c_translate_todbm(struct ieee80211_hw *hw, |
| 752 | u8 signal_strength_index) |
| 753 | { |
| 754 | long signal_power; |
| 755 | |
| 756 | signal_power = (long)((signal_strength_index + 1) >> 1); |
| 757 | signal_power -= 95; |
| 758 | return signal_power; |
| 759 | } |
| 760 | |
| 761 | static long _rtl92c_signal_scale_mapping(struct ieee80211_hw *hw, |
| 762 | long currsig) |
| 763 | { |
| 764 | long retsig; |
| 765 | |
| 766 | if (currsig >= 61 && currsig <= 100) |
| 767 | retsig = 90 + ((currsig - 60) / 4); |
| 768 | else if (currsig >= 41 && currsig <= 60) |
| 769 | retsig = 78 + ((currsig - 40) / 2); |
| 770 | else if (currsig >= 31 && currsig <= 40) |
| 771 | retsig = 66 + (currsig - 30); |
| 772 | else if (currsig >= 21 && currsig <= 30) |
| 773 | retsig = 54 + (currsig - 20); |
| 774 | else if (currsig >= 5 && currsig <= 20) |
| 775 | retsig = 42 + (((currsig - 5) * 2) / 3); |
| 776 | else if (currsig == 4) |
| 777 | retsig = 36; |
| 778 | else if (currsig == 3) |
| 779 | retsig = 27; |
| 780 | else if (currsig == 2) |
| 781 | retsig = 18; |
| 782 | else if (currsig == 1) |
| 783 | retsig = 9; |
| 784 | else |
| 785 | retsig = currsig; |
| 786 | return retsig; |
| 787 | } |
| 788 | |
| 789 | static void _rtl92c_query_rxphystatus(struct ieee80211_hw *hw, |
| 790 | struct rtl_stats *pstats, |
| 791 | struct rx_desc_92c *pdesc, |
| 792 | struct rx_fwinfo_92c *p_drvinfo, |
| 793 | bool packet_match_bssid, |
| 794 | bool packet_toself, |
| 795 | bool packet_beacon) |
| 796 | { |
| 797 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 798 | struct rtl_phy *rtlphy = &(rtlpriv->phy); |
| 799 | struct phy_sts_cck_8192s_t *cck_buf; |
| 800 | s8 rx_pwr_all = 0, rx_pwr[4]; |
| 801 | u8 rf_rx_num = 0, evm, pwdb_all; |
| 802 | u8 i, max_spatial_stream; |
| 803 | u32 rssi, total_rssi = 0; |
| 804 | bool in_powersavemode = false; |
| 805 | bool is_cck_rate; |
| 806 | |
| 807 | is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc); |
| 808 | pstats->packet_matchbssid = packet_match_bssid; |
| 809 | pstats->packet_toself = packet_toself; |
| 810 | pstats->is_cck = is_cck_rate; |
| 811 | pstats->packet_beacon = packet_beacon; |
| 812 | pstats->is_cck = is_cck_rate; |
| 813 | pstats->RX_SIGQ[0] = -1; |
| 814 | pstats->RX_SIGQ[1] = -1; |
| 815 | if (is_cck_rate) { |
| 816 | u8 report, cck_highpwr; |
| 817 | cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo; |
| 818 | if (!in_powersavemode) |
| 819 | cck_highpwr = rtlphy->cck_high_power; |
| 820 | else |
| 821 | cck_highpwr = false; |
| 822 | if (!cck_highpwr) { |
| 823 | u8 cck_agc_rpt = cck_buf->cck_agc_rpt; |
| 824 | report = cck_buf->cck_agc_rpt & 0xc0; |
| 825 | report = report >> 6; |
| 826 | switch (report) { |
| 827 | case 0x3: |
| 828 | rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); |
| 829 | break; |
| 830 | case 0x2: |
| 831 | rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); |
| 832 | break; |
| 833 | case 0x1: |
| 834 | rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); |
| 835 | break; |
| 836 | case 0x0: |
| 837 | rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); |
| 838 | break; |
| 839 | } |
| 840 | } else { |
| 841 | u8 cck_agc_rpt = cck_buf->cck_agc_rpt; |
| 842 | report = p_drvinfo->cfosho[0] & 0x60; |
| 843 | report = report >> 5; |
| 844 | switch (report) { |
| 845 | case 0x3: |
| 846 | rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1); |
| 847 | break; |
| 848 | case 0x2: |
| 849 | rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); |
| 850 | break; |
| 851 | case 0x1: |
| 852 | rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); |
| 853 | break; |
| 854 | case 0x0: |
| 855 | rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); |
| 856 | break; |
| 857 | } |
| 858 | } |
| 859 | pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all); |
| 860 | pstats->rx_pwdb_all = pwdb_all; |
| 861 | pstats->recvsignalpower = rx_pwr_all; |
| 862 | if (packet_match_bssid) { |
| 863 | u8 sq; |
| 864 | if (pstats->rx_pwdb_all > 40) |
| 865 | sq = 100; |
| 866 | else { |
| 867 | sq = cck_buf->sq_rpt; |
| 868 | if (sq > 64) |
| 869 | sq = 0; |
| 870 | else if (sq < 20) |
| 871 | sq = 100; |
| 872 | else |
| 873 | sq = ((64 - sq) * 100) / 44; |
| 874 | } |
| 875 | pstats->signalquality = sq; |
| 876 | pstats->RX_SIGQ[0] = sq; |
| 877 | pstats->RX_SIGQ[1] = -1; |
| 878 | } |
| 879 | } else { |
| 880 | rtlpriv->dm.rfpath_rxenable[0] = |
| 881 | rtlpriv->dm.rfpath_rxenable[1] = true; |
| 882 | for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) { |
| 883 | if (rtlpriv->dm.rfpath_rxenable[i]) |
| 884 | rf_rx_num++; |
| 885 | rx_pwr[i] = |
| 886 | ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110; |
| 887 | rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]); |
| 888 | total_rssi += rssi; |
| 889 | rtlpriv->stats.rx_snr_db[i] = |
| 890 | (long)(p_drvinfo->rxsnr[i] / 2); |
| 891 | |
| 892 | if (packet_match_bssid) |
| 893 | pstats->rx_mimo_signalstrength[i] = (u8) rssi; |
| 894 | } |
| 895 | rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110; |
| 896 | pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all); |
| 897 | pstats->rx_pwdb_all = pwdb_all; |
| 898 | pstats->rxpower = rx_pwr_all; |
| 899 | pstats->recvsignalpower = rx_pwr_all; |
| 900 | if (GET_RX_DESC_RX_MCS(pdesc) && |
| 901 | GET_RX_DESC_RX_MCS(pdesc) >= DESC92C_RATEMCS8 && |
| 902 | GET_RX_DESC_RX_MCS(pdesc) <= DESC92C_RATEMCS15) |
| 903 | max_spatial_stream = 2; |
| 904 | else |
| 905 | max_spatial_stream = 1; |
| 906 | for (i = 0; i < max_spatial_stream; i++) { |
| 907 | evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]); |
| 908 | if (packet_match_bssid) { |
| 909 | if (i == 0) |
| 910 | pstats->signalquality = |
| 911 | (u8) (evm & 0xff); |
| 912 | pstats->RX_SIGQ[i] = |
| 913 | (u8) (evm & 0xff); |
| 914 | } |
| 915 | } |
| 916 | } |
| 917 | if (is_cck_rate) |
| 918 | pstats->signalstrength = |
| 919 | (u8) (_rtl92c_signal_scale_mapping(hw, pwdb_all)); |
| 920 | else if (rf_rx_num != 0) |
| 921 | pstats->signalstrength = |
| 922 | (u8) (_rtl92c_signal_scale_mapping |
| 923 | (hw, total_rssi /= rf_rx_num)); |
| 924 | } |
| 925 | |
| 926 | static void _rtl92c_process_ui_rssi(struct ieee80211_hw *hw, |
| 927 | struct rtl_stats *pstats) |
| 928 | { |
| 929 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 930 | struct rtl_phy *rtlphy = &(rtlpriv->phy); |
| 931 | u8 rfpath; |
| 932 | u32 last_rssi, tmpval; |
| 933 | |
| 934 | if (pstats->packet_toself || pstats->packet_beacon) { |
| 935 | rtlpriv->stats.rssi_calculate_cnt++; |
| 936 | if (rtlpriv->stats.ui_rssi.total_num++ >= |
| 937 | PHY_RSSI_SLID_WIN_MAX) { |
| 938 | rtlpriv->stats.ui_rssi.total_num = |
| 939 | PHY_RSSI_SLID_WIN_MAX; |
| 940 | last_rssi = |
| 941 | rtlpriv->stats.ui_rssi.elements[rtlpriv-> |
| 942 | stats.ui_rssi.index]; |
| 943 | rtlpriv->stats.ui_rssi.total_val -= last_rssi; |
| 944 | } |
| 945 | rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength; |
| 946 | rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi. |
| 947 | index++] = pstats->signalstrength; |
| 948 | if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX) |
| 949 | rtlpriv->stats.ui_rssi.index = 0; |
| 950 | tmpval = rtlpriv->stats.ui_rssi.total_val / |
| 951 | rtlpriv->stats.ui_rssi.total_num; |
| 952 | rtlpriv->stats.signal_strength = |
| 953 | _rtl92c_translate_todbm(hw, (u8) tmpval); |
| 954 | pstats->rssi = rtlpriv->stats.signal_strength; |
| 955 | } |
| 956 | if (!pstats->is_cck && pstats->packet_toself) { |
| 957 | for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath; |
| 958 | rfpath++) { |
| 959 | if (!rtl8192_phy_check_is_legal_rfpath(hw, rfpath)) |
| 960 | continue; |
| 961 | if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) { |
| 962 | rtlpriv->stats.rx_rssi_percentage[rfpath] = |
| 963 | pstats->rx_mimo_signalstrength[rfpath]; |
| 964 | } |
| 965 | if (pstats->rx_mimo_signalstrength[rfpath] > |
| 966 | rtlpriv->stats.rx_rssi_percentage[rfpath]) { |
| 967 | rtlpriv->stats.rx_rssi_percentage[rfpath] = |
| 968 | ((rtlpriv->stats. |
| 969 | rx_rssi_percentage[rfpath] * |
| 970 | (RX_SMOOTH_FACTOR - 1)) + |
| 971 | (pstats->rx_mimo_signalstrength[rfpath])) / |
| 972 | (RX_SMOOTH_FACTOR); |
| 973 | |
| 974 | rtlpriv->stats.rx_rssi_percentage[rfpath] = |
| 975 | rtlpriv->stats.rx_rssi_percentage[rfpath] + |
| 976 | 1; |
| 977 | } else { |
| 978 | rtlpriv->stats.rx_rssi_percentage[rfpath] = |
| 979 | ((rtlpriv->stats. |
| 980 | rx_rssi_percentage[rfpath] * |
| 981 | (RX_SMOOTH_FACTOR - 1)) + |
| 982 | (pstats->rx_mimo_signalstrength[rfpath])) / |
| 983 | (RX_SMOOTH_FACTOR); |
| 984 | } |
| 985 | } |
| 986 | } |
| 987 | } |
| 988 | |
| 989 | static void _rtl92c_update_rxsignalstatistics(struct ieee80211_hw *hw, |
| 990 | struct rtl_stats *pstats) |
| 991 | { |
| 992 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 993 | int weighting = 0; |
| 994 | |
| 995 | if (rtlpriv->stats.recv_signal_power == 0) |
| 996 | rtlpriv->stats.recv_signal_power = pstats->recvsignalpower; |
| 997 | if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power) |
| 998 | weighting = 5; |
| 999 | else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power) |
| 1000 | weighting = (-5); |
| 1001 | rtlpriv->stats.recv_signal_power = |
| 1002 | (rtlpriv->stats.recv_signal_power * 5 + |
| 1003 | pstats->recvsignalpower + weighting) / 6; |
| 1004 | } |
| 1005 | |
| 1006 | static void _rtl92c_process_pwdb(struct ieee80211_hw *hw, |
| 1007 | struct rtl_stats *pstats) |
| 1008 | { |
| 1009 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1010 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| 1011 | long undecorated_smoothed_pwdb = 0; |
| 1012 | |
| 1013 | if (mac->opmode == NL80211_IFTYPE_ADHOC) { |
| 1014 | return; |
| 1015 | } else { |
| 1016 | undecorated_smoothed_pwdb = |
| 1017 | rtlpriv->dm.undecorated_smoothed_pwdb; |
| 1018 | } |
| 1019 | if (pstats->packet_toself || pstats->packet_beacon) { |
| 1020 | if (undecorated_smoothed_pwdb < 0) |
| 1021 | undecorated_smoothed_pwdb = pstats->rx_pwdb_all; |
| 1022 | if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) { |
| 1023 | undecorated_smoothed_pwdb = |
| 1024 | (((undecorated_smoothed_pwdb) * |
| 1025 | (RX_SMOOTH_FACTOR - 1)) + |
| 1026 | (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); |
| 1027 | undecorated_smoothed_pwdb = undecorated_smoothed_pwdb |
| 1028 | + 1; |
| 1029 | } else { |
| 1030 | undecorated_smoothed_pwdb = |
| 1031 | (((undecorated_smoothed_pwdb) * |
| 1032 | (RX_SMOOTH_FACTOR - 1)) + |
| 1033 | (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); |
| 1034 | } |
| 1035 | rtlpriv->dm.undecorated_smoothed_pwdb = |
| 1036 | undecorated_smoothed_pwdb; |
| 1037 | _rtl92c_update_rxsignalstatistics(hw, pstats); |
| 1038 | } |
| 1039 | } |
| 1040 | |
| 1041 | static void _rtl92c_process_LINK_Q(struct ieee80211_hw *hw, |
| 1042 | struct rtl_stats *pstats) |
| 1043 | { |
| 1044 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1045 | u32 last_evm = 0, n_stream, tmpval; |
| 1046 | |
| 1047 | if (pstats->signalquality != 0) { |
| 1048 | if (pstats->packet_toself || pstats->packet_beacon) { |
| 1049 | if (rtlpriv->stats.LINK_Q.total_num++ >= |
| 1050 | PHY_LINKQUALITY_SLID_WIN_MAX) { |
| 1051 | rtlpriv->stats.LINK_Q.total_num = |
| 1052 | PHY_LINKQUALITY_SLID_WIN_MAX; |
| 1053 | last_evm = |
| 1054 | rtlpriv->stats.LINK_Q.elements |
| 1055 | [rtlpriv->stats.LINK_Q.index]; |
| 1056 | rtlpriv->stats.LINK_Q.total_val -= |
| 1057 | last_evm; |
| 1058 | } |
| 1059 | rtlpriv->stats.LINK_Q.total_val += |
| 1060 | pstats->signalquality; |
| 1061 | rtlpriv->stats.LINK_Q.elements |
| 1062 | [rtlpriv->stats.LINK_Q.index++] = |
| 1063 | pstats->signalquality; |
| 1064 | if (rtlpriv->stats.LINK_Q.index >= |
| 1065 | PHY_LINKQUALITY_SLID_WIN_MAX) |
| 1066 | rtlpriv->stats.LINK_Q.index = 0; |
| 1067 | tmpval = rtlpriv->stats.LINK_Q.total_val / |
| 1068 | rtlpriv->stats.LINK_Q.total_num; |
| 1069 | rtlpriv->stats.signal_quality = tmpval; |
| 1070 | rtlpriv->stats.last_sigstrength_inpercent = tmpval; |
| 1071 | for (n_stream = 0; n_stream < 2; |
| 1072 | n_stream++) { |
| 1073 | if (pstats->RX_SIGQ[n_stream] != -1) { |
| 1074 | if (!rtlpriv->stats.RX_EVM[n_stream]) { |
| 1075 | rtlpriv->stats.RX_EVM[n_stream] |
| 1076 | = pstats->RX_SIGQ[n_stream]; |
| 1077 | } |
| 1078 | rtlpriv->stats.RX_EVM[n_stream] = |
| 1079 | ((rtlpriv->stats.RX_EVM |
| 1080 | [n_stream] * |
| 1081 | (RX_SMOOTH_FACTOR - 1)) + |
| 1082 | (pstats->RX_SIGQ |
| 1083 | [n_stream] * 1)) / |
| 1084 | (RX_SMOOTH_FACTOR); |
| 1085 | } |
| 1086 | } |
| 1087 | } |
| 1088 | } else { |
| 1089 | ; |
| 1090 | } |
| 1091 | } |
| 1092 | |
| 1093 | static void _rtl92c_process_phyinfo(struct ieee80211_hw *hw, |
| 1094 | u8 *buffer, |
| 1095 | struct rtl_stats *pcurrent_stats) |
| 1096 | { |
| 1097 | if (!pcurrent_stats->packet_matchbssid && |
| 1098 | !pcurrent_stats->packet_beacon) |
| 1099 | return; |
| 1100 | _rtl92c_process_ui_rssi(hw, pcurrent_stats); |
| 1101 | _rtl92c_process_pwdb(hw, pcurrent_stats); |
| 1102 | _rtl92c_process_LINK_Q(hw, pcurrent_stats); |
| 1103 | } |
| 1104 | |
| 1105 | void rtl92c_translate_rx_signal_stuff(struct ieee80211_hw *hw, |
| 1106 | struct sk_buff *skb, |
| 1107 | struct rtl_stats *pstats, |
| 1108 | struct rx_desc_92c *pdesc, |
| 1109 | struct rx_fwinfo_92c *p_drvinfo) |
| 1110 | { |
| 1111 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| 1112 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); |
| 1113 | struct ieee80211_hdr *hdr; |
| 1114 | u8 *tmp_buf; |
| 1115 | u8 *praddr; |
| 1116 | u8 *psaddr; |
| 1117 | __le16 fc; |
| 1118 | u16 type, cpu_fc; |
| 1119 | bool packet_matchbssid, packet_toself, packet_beacon; |
| 1120 | |
| 1121 | tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; |
| 1122 | hdr = (struct ieee80211_hdr *)tmp_buf; |
| 1123 | fc = hdr->frame_control; |
| 1124 | cpu_fc = le16_to_cpu(fc); |
| 1125 | type = WLAN_FC_GET_TYPE(fc); |
| 1126 | praddr = hdr->addr1; |
| 1127 | psaddr = hdr->addr2; |
| 1128 | packet_matchbssid = |
| 1129 | ((IEEE80211_FTYPE_CTL != type) && |
| 1130 | (!compare_ether_addr(mac->bssid, |
| 1131 | (cpu_fc & IEEE80211_FCTL_TODS) ? |
| 1132 | hdr->addr1 : (cpu_fc & IEEE80211_FCTL_FROMDS) ? |
| 1133 | hdr->addr2 : hdr->addr3)) && |
| 1134 | (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv)); |
| 1135 | |
| 1136 | packet_toself = packet_matchbssid && |
| 1137 | (!compare_ether_addr(praddr, rtlefuse->dev_addr)); |
| 1138 | if (ieee80211_is_beacon(fc)) |
| 1139 | packet_beacon = true; |
| 1140 | _rtl92c_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, |
| 1141 | packet_matchbssid, packet_toself, |
| 1142 | packet_beacon); |
| 1143 | _rtl92c_process_phyinfo(hw, tmp_buf, pstats); |
| 1144 | } |