1 /* 2 * Copyright (c) 2005-2011 Atheros Communications Inc. 3 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <linux/module.h> 19 #include <linux/firmware.h> 20 #include <linux/of.h> 21 #include <linux/dmi.h> 22 #include <linux/ctype.h> 23 #include <asm/byteorder.h> 24 25 #include "core.h" 26 #include "mac.h" 27 #include "htc.h" 28 #include "hif.h" 29 #include "wmi.h" 30 #include "bmi.h" 31 #include "debug.h" 32 #include "htt.h" 33 #include "testmode.h" 34 #include "wmi-ops.h" 35 36 unsigned int ath10k_debug_mask; 37 static unsigned int ath10k_cryptmode_param; 38 static bool uart_print; 39 static bool skip_otp; 40 static bool rawmode; 41 42 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644); 43 module_param_named(cryptmode, ath10k_cryptmode_param, uint, 0644); 44 module_param(uart_print, bool, 0644); 45 module_param(skip_otp, bool, 0644); 46 module_param(rawmode, bool, 0644); 47 48 MODULE_PARM_DESC(debug_mask, "Debugging mask"); 49 MODULE_PARM_DESC(uart_print, "Uart target debugging"); 50 MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode"); 51 MODULE_PARM_DESC(cryptmode, "Crypto mode: 0-hardware, 1-software"); 52 MODULE_PARM_DESC(rawmode, "Use raw 802.11 frame datapath"); 53 54 static const struct ath10k_hw_params ath10k_hw_params_list[] = { 55 { 56 .id = QCA988X_HW_2_0_VERSION, 57 .dev_id = QCA988X_2_0_DEVICE_ID, 58 .name = "qca988x hw2.0", 59 .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR, 60 .uart_pin = 7, 61 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL, 62 .otp_exe_param = 0, 63 .channel_counters_freq_hz = 88000, 64 .max_probe_resp_desc_thres = 0, 65 .cal_data_len = 2116, 66 .fw = { 67 .dir = QCA988X_HW_2_0_FW_DIR, 68 .board = QCA988X_HW_2_0_BOARD_DATA_FILE, 69 .board_size = QCA988X_BOARD_DATA_SZ, 70 .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ, 71 }, 72 .hw_ops = &qca988x_ops, 73 .decap_align_bytes = 4, 74 }, 75 { 76 .id = QCA9887_HW_1_0_VERSION, 77 .dev_id = QCA9887_1_0_DEVICE_ID, 78 .name = "qca9887 hw1.0", 79 .patch_load_addr = QCA9887_HW_1_0_PATCH_LOAD_ADDR, 80 .uart_pin = 7, 81 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL, 82 .otp_exe_param = 0, 83 .channel_counters_freq_hz = 88000, 84 .max_probe_resp_desc_thres = 0, 85 .cal_data_len = 2116, 86 .fw = { 87 .dir = QCA9887_HW_1_0_FW_DIR, 88 .board = QCA9887_HW_1_0_BOARD_DATA_FILE, 89 .board_size = QCA9887_BOARD_DATA_SZ, 90 .board_ext_size = QCA9887_BOARD_EXT_DATA_SZ, 91 }, 92 .hw_ops = &qca988x_ops, 93 .decap_align_bytes = 4, 94 }, 95 { 96 .id = QCA6174_HW_2_1_VERSION, 97 .dev_id = QCA6164_2_1_DEVICE_ID, 98 .name = "qca6164 hw2.1", 99 .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR, 100 .uart_pin = 6, 101 .otp_exe_param = 0, 102 .channel_counters_freq_hz = 88000, 103 .max_probe_resp_desc_thres = 0, 104 .cal_data_len = 8124, 105 .fw = { 106 .dir = QCA6174_HW_2_1_FW_DIR, 107 .board = QCA6174_HW_2_1_BOARD_DATA_FILE, 108 .board_size = QCA6174_BOARD_DATA_SZ, 109 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ, 110 }, 111 .hw_ops = &qca988x_ops, 112 .decap_align_bytes = 4, 113 }, 114 { 115 .id = QCA6174_HW_2_1_VERSION, 116 .dev_id = QCA6174_2_1_DEVICE_ID, 117 .name = "qca6174 hw2.1", 118 .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR, 119 .uart_pin = 6, 120 .otp_exe_param = 0, 121 .channel_counters_freq_hz = 88000, 122 .max_probe_resp_desc_thres = 0, 123 .cal_data_len = 8124, 124 .fw = { 125 .dir = QCA6174_HW_2_1_FW_DIR, 126 .board = QCA6174_HW_2_1_BOARD_DATA_FILE, 127 .board_size = QCA6174_BOARD_DATA_SZ, 128 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ, 129 }, 130 .hw_ops = &qca988x_ops, 131 .decap_align_bytes = 4, 132 }, 133 { 134 .id = QCA6174_HW_3_0_VERSION, 135 .dev_id = QCA6174_2_1_DEVICE_ID, 136 .name = "qca6174 hw3.0", 137 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR, 138 .uart_pin = 6, 139 .otp_exe_param = 0, 140 .channel_counters_freq_hz = 88000, 141 .max_probe_resp_desc_thres = 0, 142 .cal_data_len = 8124, 143 .fw = { 144 .dir = QCA6174_HW_3_0_FW_DIR, 145 .board = QCA6174_HW_3_0_BOARD_DATA_FILE, 146 .board_size = QCA6174_BOARD_DATA_SZ, 147 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ, 148 }, 149 .hw_ops = &qca988x_ops, 150 .decap_align_bytes = 4, 151 }, 152 { 153 .id = QCA6174_HW_3_2_VERSION, 154 .dev_id = QCA6174_2_1_DEVICE_ID, 155 .name = "qca6174 hw3.2", 156 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR, 157 .uart_pin = 6, 158 .otp_exe_param = 0, 159 .channel_counters_freq_hz = 88000, 160 .max_probe_resp_desc_thres = 0, 161 .cal_data_len = 8124, 162 .fw = { 163 /* uses same binaries as hw3.0 */ 164 .dir = QCA6174_HW_3_0_FW_DIR, 165 .board = QCA6174_HW_3_0_BOARD_DATA_FILE, 166 .board_size = QCA6174_BOARD_DATA_SZ, 167 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ, 168 }, 169 .hw_ops = &qca988x_ops, 170 .decap_align_bytes = 4, 171 }, 172 { 173 .id = QCA99X0_HW_2_0_DEV_VERSION, 174 .dev_id = QCA99X0_2_0_DEVICE_ID, 175 .name = "qca99x0 hw2.0", 176 .patch_load_addr = QCA99X0_HW_2_0_PATCH_LOAD_ADDR, 177 .uart_pin = 7, 178 .otp_exe_param = 0x00000700, 179 .continuous_frag_desc = true, 180 .cck_rate_map_rev2 = true, 181 .channel_counters_freq_hz = 150000, 182 .max_probe_resp_desc_thres = 24, 183 .tx_chain_mask = 0xf, 184 .rx_chain_mask = 0xf, 185 .max_spatial_stream = 4, 186 .cal_data_len = 12064, 187 .fw = { 188 .dir = QCA99X0_HW_2_0_FW_DIR, 189 .board = QCA99X0_HW_2_0_BOARD_DATA_FILE, 190 .board_size = QCA99X0_BOARD_DATA_SZ, 191 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ, 192 }, 193 .sw_decrypt_mcast_mgmt = true, 194 .hw_ops = &qca99x0_ops, 195 .decap_align_bytes = 1, 196 }, 197 { 198 .id = QCA9984_HW_1_0_DEV_VERSION, 199 .dev_id = QCA9984_1_0_DEVICE_ID, 200 .name = "qca9984/qca9994 hw1.0", 201 .patch_load_addr = QCA9984_HW_1_0_PATCH_LOAD_ADDR, 202 .uart_pin = 7, 203 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH, 204 .otp_exe_param = 0x00000700, 205 .continuous_frag_desc = true, 206 .cck_rate_map_rev2 = true, 207 .channel_counters_freq_hz = 150000, 208 .max_probe_resp_desc_thres = 24, 209 .tx_chain_mask = 0xf, 210 .rx_chain_mask = 0xf, 211 .max_spatial_stream = 4, 212 .cal_data_len = 12064, 213 .fw = { 214 .dir = QCA9984_HW_1_0_FW_DIR, 215 .board = QCA9984_HW_1_0_BOARD_DATA_FILE, 216 .board_size = QCA99X0_BOARD_DATA_SZ, 217 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ, 218 }, 219 .sw_decrypt_mcast_mgmt = true, 220 .hw_ops = &qca99x0_ops, 221 .decap_align_bytes = 1, 222 }, 223 { 224 .id = QCA9888_HW_2_0_DEV_VERSION, 225 .dev_id = QCA9888_2_0_DEVICE_ID, 226 .name = "qca9888 hw2.0", 227 .patch_load_addr = QCA9888_HW_2_0_PATCH_LOAD_ADDR, 228 .uart_pin = 7, 229 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH, 230 .otp_exe_param = 0x00000700, 231 .continuous_frag_desc = true, 232 .channel_counters_freq_hz = 150000, 233 .max_probe_resp_desc_thres = 24, 234 .tx_chain_mask = 3, 235 .rx_chain_mask = 3, 236 .max_spatial_stream = 2, 237 .cal_data_len = 12064, 238 .fw = { 239 .dir = QCA9888_HW_2_0_FW_DIR, 240 .board = QCA9888_HW_2_0_BOARD_DATA_FILE, 241 .board_size = QCA99X0_BOARD_DATA_SZ, 242 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ, 243 }, 244 .sw_decrypt_mcast_mgmt = true, 245 .hw_ops = &qca99x0_ops, 246 .decap_align_bytes = 1, 247 }, 248 { 249 .id = QCA9377_HW_1_0_DEV_VERSION, 250 .dev_id = QCA9377_1_0_DEVICE_ID, 251 .name = "qca9377 hw1.0", 252 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR, 253 .uart_pin = 6, 254 .otp_exe_param = 0, 255 .channel_counters_freq_hz = 88000, 256 .max_probe_resp_desc_thres = 0, 257 .cal_data_len = 8124, 258 .fw = { 259 .dir = QCA9377_HW_1_0_FW_DIR, 260 .board = QCA9377_HW_1_0_BOARD_DATA_FILE, 261 .board_size = QCA9377_BOARD_DATA_SZ, 262 .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ, 263 }, 264 .hw_ops = &qca988x_ops, 265 .decap_align_bytes = 4, 266 }, 267 { 268 .id = QCA9377_HW_1_1_DEV_VERSION, 269 .dev_id = QCA9377_1_0_DEVICE_ID, 270 .name = "qca9377 hw1.1", 271 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR, 272 .uart_pin = 6, 273 .otp_exe_param = 0, 274 .channel_counters_freq_hz = 88000, 275 .max_probe_resp_desc_thres = 0, 276 .cal_data_len = 8124, 277 .fw = { 278 .dir = QCA9377_HW_1_0_FW_DIR, 279 .board = QCA9377_HW_1_0_BOARD_DATA_FILE, 280 .board_size = QCA9377_BOARD_DATA_SZ, 281 .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ, 282 }, 283 .hw_ops = &qca988x_ops, 284 .decap_align_bytes = 4, 285 }, 286 { 287 .id = QCA4019_HW_1_0_DEV_VERSION, 288 .dev_id = 0, 289 .name = "qca4019 hw1.0", 290 .patch_load_addr = QCA4019_HW_1_0_PATCH_LOAD_ADDR, 291 .uart_pin = 7, 292 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH, 293 .otp_exe_param = 0x0010000, 294 .continuous_frag_desc = true, 295 .cck_rate_map_rev2 = true, 296 .channel_counters_freq_hz = 125000, 297 .max_probe_resp_desc_thres = 24, 298 .tx_chain_mask = 0x3, 299 .rx_chain_mask = 0x3, 300 .max_spatial_stream = 2, 301 .cal_data_len = 12064, 302 .fw = { 303 .dir = QCA4019_HW_1_0_FW_DIR, 304 .board = QCA4019_HW_1_0_BOARD_DATA_FILE, 305 .board_size = QCA4019_BOARD_DATA_SZ, 306 .board_ext_size = QCA4019_BOARD_EXT_DATA_SZ, 307 }, 308 .sw_decrypt_mcast_mgmt = true, 309 .hw_ops = &qca99x0_ops, 310 .decap_align_bytes = 1, 311 }, 312 }; 313 314 static const char *const ath10k_core_fw_feature_str[] = { 315 [ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX] = "wmi-mgmt-rx", 316 [ATH10K_FW_FEATURE_WMI_10X] = "wmi-10.x", 317 [ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX] = "has-wmi-mgmt-tx", 318 [ATH10K_FW_FEATURE_NO_P2P] = "no-p2p", 319 [ATH10K_FW_FEATURE_WMI_10_2] = "wmi-10.2", 320 [ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT] = "multi-vif-ps", 321 [ATH10K_FW_FEATURE_WOWLAN_SUPPORT] = "wowlan", 322 [ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp", 323 [ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad", 324 [ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init", 325 [ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode", 326 [ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA] = "adaptive-cca", 327 [ATH10K_FW_FEATURE_MFP_SUPPORT] = "mfp", 328 [ATH10K_FW_FEATURE_PEER_FLOW_CONTROL] = "peer-flow-ctrl", 329 [ATH10K_FW_FEATURE_BTCOEX_PARAM] = "btcoex-param", 330 [ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR] = "skip-null-func-war", 331 [ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST] = "allows-mesh-bcast", 332 }; 333 334 static unsigned int ath10k_core_get_fw_feature_str(char *buf, 335 size_t buf_len, 336 enum ath10k_fw_features feat) 337 { 338 /* make sure that ath10k_core_fw_feature_str[] gets updated */ 339 BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) != 340 ATH10K_FW_FEATURE_COUNT); 341 342 if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) || 343 WARN_ON(!ath10k_core_fw_feature_str[feat])) { 344 return scnprintf(buf, buf_len, "bit%d", feat); 345 } 346 347 return scnprintf(buf, buf_len, "%s", ath10k_core_fw_feature_str[feat]); 348 } 349 350 void ath10k_core_get_fw_features_str(struct ath10k *ar, 351 char *buf, 352 size_t buf_len) 353 { 354 size_t len = 0; 355 int i; 356 357 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) { 358 if (test_bit(i, ar->normal_mode_fw.fw_file.fw_features)) { 359 if (len > 0) 360 len += scnprintf(buf + len, buf_len - len, ","); 361 362 len += ath10k_core_get_fw_feature_str(buf + len, 363 buf_len - len, 364 i); 365 } 366 } 367 } 368 369 static void ath10k_send_suspend_complete(struct ath10k *ar) 370 { 371 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n"); 372 373 complete(&ar->target_suspend); 374 } 375 376 static int ath10k_init_configure_target(struct ath10k *ar) 377 { 378 u32 param_host; 379 int ret; 380 381 /* tell target which HTC version it is used*/ 382 ret = ath10k_bmi_write32(ar, hi_app_host_interest, 383 HTC_PROTOCOL_VERSION); 384 if (ret) { 385 ath10k_err(ar, "settings HTC version failed\n"); 386 return ret; 387 } 388 389 /* set the firmware mode to STA/IBSS/AP */ 390 ret = ath10k_bmi_read32(ar, hi_option_flag, ¶m_host); 391 if (ret) { 392 ath10k_err(ar, "setting firmware mode (1/2) failed\n"); 393 return ret; 394 } 395 396 /* TODO following parameters need to be re-visited. */ 397 /* num_device */ 398 param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT); 399 /* Firmware mode */ 400 /* FIXME: Why FW_MODE_AP ??.*/ 401 param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT); 402 /* mac_addr_method */ 403 param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT); 404 /* firmware_bridge */ 405 param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT); 406 /* fwsubmode */ 407 param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT); 408 409 ret = ath10k_bmi_write32(ar, hi_option_flag, param_host); 410 if (ret) { 411 ath10k_err(ar, "setting firmware mode (2/2) failed\n"); 412 return ret; 413 } 414 415 /* We do all byte-swapping on the host */ 416 ret = ath10k_bmi_write32(ar, hi_be, 0); 417 if (ret) { 418 ath10k_err(ar, "setting host CPU BE mode failed\n"); 419 return ret; 420 } 421 422 /* FW descriptor/Data swap flags */ 423 ret = ath10k_bmi_write32(ar, hi_fw_swap, 0); 424 425 if (ret) { 426 ath10k_err(ar, "setting FW data/desc swap flags failed\n"); 427 return ret; 428 } 429 430 /* Some devices have a special sanity check that verifies the PCI 431 * Device ID is written to this host interest var. It is known to be 432 * required to boot QCA6164. 433 */ 434 ret = ath10k_bmi_write32(ar, hi_hci_uart_pwr_mgmt_params_ext, 435 ar->dev_id); 436 if (ret) { 437 ath10k_err(ar, "failed to set pwr_mgmt_params: %d\n", ret); 438 return ret; 439 } 440 441 return 0; 442 } 443 444 static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar, 445 const char *dir, 446 const char *file) 447 { 448 char filename[100]; 449 const struct firmware *fw; 450 int ret; 451 452 if (file == NULL) 453 return ERR_PTR(-ENOENT); 454 455 if (dir == NULL) 456 dir = "."; 457 458 snprintf(filename, sizeof(filename), "%s/%s", dir, file); 459 ret = request_firmware_direct(&fw, filename, ar->dev); 460 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot fw request '%s': %d\n", 461 filename, ret); 462 463 if (ret) 464 return ERR_PTR(ret); 465 466 return fw; 467 } 468 469 static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data, 470 size_t data_len) 471 { 472 u32 board_data_size = ar->hw_params.fw.board_size; 473 u32 board_ext_data_size = ar->hw_params.fw.board_ext_size; 474 u32 board_ext_data_addr; 475 int ret; 476 477 ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr); 478 if (ret) { 479 ath10k_err(ar, "could not read board ext data addr (%d)\n", 480 ret); 481 return ret; 482 } 483 484 ath10k_dbg(ar, ATH10K_DBG_BOOT, 485 "boot push board extended data addr 0x%x\n", 486 board_ext_data_addr); 487 488 if (board_ext_data_addr == 0) 489 return 0; 490 491 if (data_len != (board_data_size + board_ext_data_size)) { 492 ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n", 493 data_len, board_data_size, board_ext_data_size); 494 return -EINVAL; 495 } 496 497 ret = ath10k_bmi_write_memory(ar, board_ext_data_addr, 498 data + board_data_size, 499 board_ext_data_size); 500 if (ret) { 501 ath10k_err(ar, "could not write board ext data (%d)\n", ret); 502 return ret; 503 } 504 505 ret = ath10k_bmi_write32(ar, hi_board_ext_data_config, 506 (board_ext_data_size << 16) | 1); 507 if (ret) { 508 ath10k_err(ar, "could not write board ext data bit (%d)\n", 509 ret); 510 return ret; 511 } 512 513 return 0; 514 } 515 516 static int ath10k_download_board_data(struct ath10k *ar, const void *data, 517 size_t data_len) 518 { 519 u32 board_data_size = ar->hw_params.fw.board_size; 520 u32 address; 521 int ret; 522 523 ret = ath10k_push_board_ext_data(ar, data, data_len); 524 if (ret) { 525 ath10k_err(ar, "could not push board ext data (%d)\n", ret); 526 goto exit; 527 } 528 529 ret = ath10k_bmi_read32(ar, hi_board_data, &address); 530 if (ret) { 531 ath10k_err(ar, "could not read board data addr (%d)\n", ret); 532 goto exit; 533 } 534 535 ret = ath10k_bmi_write_memory(ar, address, data, 536 min_t(u32, board_data_size, 537 data_len)); 538 if (ret) { 539 ath10k_err(ar, "could not write board data (%d)\n", ret); 540 goto exit; 541 } 542 543 ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1); 544 if (ret) { 545 ath10k_err(ar, "could not write board data bit (%d)\n", ret); 546 goto exit; 547 } 548 549 exit: 550 return ret; 551 } 552 553 static int ath10k_download_cal_file(struct ath10k *ar, 554 const struct firmware *file) 555 { 556 int ret; 557 558 if (!file) 559 return -ENOENT; 560 561 if (IS_ERR(file)) 562 return PTR_ERR(file); 563 564 ret = ath10k_download_board_data(ar, file->data, file->size); 565 if (ret) { 566 ath10k_err(ar, "failed to download cal_file data: %d\n", ret); 567 return ret; 568 } 569 570 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n"); 571 572 return 0; 573 } 574 575 static int ath10k_download_cal_dt(struct ath10k *ar, const char *dt_name) 576 { 577 struct device_node *node; 578 int data_len; 579 void *data; 580 int ret; 581 582 node = ar->dev->of_node; 583 if (!node) 584 /* Device Tree is optional, don't print any warnings if 585 * there's no node for ath10k. 586 */ 587 return -ENOENT; 588 589 if (!of_get_property(node, dt_name, &data_len)) { 590 /* The calibration data node is optional */ 591 return -ENOENT; 592 } 593 594 if (data_len != ar->hw_params.cal_data_len) { 595 ath10k_warn(ar, "invalid calibration data length in DT: %d\n", 596 data_len); 597 ret = -EMSGSIZE; 598 goto out; 599 } 600 601 data = kmalloc(data_len, GFP_KERNEL); 602 if (!data) { 603 ret = -ENOMEM; 604 goto out; 605 } 606 607 ret = of_property_read_u8_array(node, dt_name, data, data_len); 608 if (ret) { 609 ath10k_warn(ar, "failed to read calibration data from DT: %d\n", 610 ret); 611 goto out_free; 612 } 613 614 ret = ath10k_download_board_data(ar, data, data_len); 615 if (ret) { 616 ath10k_warn(ar, "failed to download calibration data from Device Tree: %d\n", 617 ret); 618 goto out_free; 619 } 620 621 ret = 0; 622 623 out_free: 624 kfree(data); 625 626 out: 627 return ret; 628 } 629 630 static int ath10k_download_cal_eeprom(struct ath10k *ar) 631 { 632 size_t data_len; 633 void *data = NULL; 634 int ret; 635 636 ret = ath10k_hif_fetch_cal_eeprom(ar, &data, &data_len); 637 if (ret) { 638 if (ret != -EOPNOTSUPP) 639 ath10k_warn(ar, "failed to read calibration data from EEPROM: %d\n", 640 ret); 641 goto out_free; 642 } 643 644 ret = ath10k_download_board_data(ar, data, data_len); 645 if (ret) { 646 ath10k_warn(ar, "failed to download calibration data from EEPROM: %d\n", 647 ret); 648 goto out_free; 649 } 650 651 ret = 0; 652 653 out_free: 654 kfree(data); 655 656 return ret; 657 } 658 659 static int ath10k_core_get_board_id_from_otp(struct ath10k *ar) 660 { 661 u32 result, address; 662 u8 board_id, chip_id; 663 int ret; 664 665 address = ar->hw_params.patch_load_addr; 666 667 if (!ar->normal_mode_fw.fw_file.otp_data || 668 !ar->normal_mode_fw.fw_file.otp_len) { 669 ath10k_warn(ar, 670 "failed to retrieve board id because of invalid otp\n"); 671 return -ENODATA; 672 } 673 674 ath10k_dbg(ar, ATH10K_DBG_BOOT, 675 "boot upload otp to 0x%x len %zd for board id\n", 676 address, ar->normal_mode_fw.fw_file.otp_len); 677 678 ret = ath10k_bmi_fast_download(ar, address, 679 ar->normal_mode_fw.fw_file.otp_data, 680 ar->normal_mode_fw.fw_file.otp_len); 681 if (ret) { 682 ath10k_err(ar, "could not write otp for board id check: %d\n", 683 ret); 684 return ret; 685 } 686 687 ret = ath10k_bmi_execute(ar, address, BMI_PARAM_GET_EEPROM_BOARD_ID, 688 &result); 689 if (ret) { 690 ath10k_err(ar, "could not execute otp for board id check: %d\n", 691 ret); 692 return ret; 693 } 694 695 board_id = MS(result, ATH10K_BMI_BOARD_ID_FROM_OTP); 696 chip_id = MS(result, ATH10K_BMI_CHIP_ID_FROM_OTP); 697 698 ath10k_dbg(ar, ATH10K_DBG_BOOT, 699 "boot get otp board id result 0x%08x board_id %d chip_id %d\n", 700 result, board_id, chip_id); 701 702 if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0 || 703 (board_id == 0)) { 704 ath10k_dbg(ar, ATH10K_DBG_BOOT, 705 "board id does not exist in otp, ignore it\n"); 706 return -EOPNOTSUPP; 707 } 708 709 ar->id.bmi_ids_valid = true; 710 ar->id.bmi_board_id = board_id; 711 ar->id.bmi_chip_id = chip_id; 712 713 return 0; 714 } 715 716 static void ath10k_core_check_bdfext(const struct dmi_header *hdr, void *data) 717 { 718 struct ath10k *ar = data; 719 const char *bdf_ext; 720 const char *magic = ATH10K_SMBIOS_BDF_EXT_MAGIC; 721 u8 bdf_enabled; 722 int i; 723 724 if (hdr->type != ATH10K_SMBIOS_BDF_EXT_TYPE) 725 return; 726 727 if (hdr->length != ATH10K_SMBIOS_BDF_EXT_LENGTH) { 728 ath10k_dbg(ar, ATH10K_DBG_BOOT, 729 "wrong smbios bdf ext type length (%d).\n", 730 hdr->length); 731 return; 732 } 733 734 bdf_enabled = *((u8 *)hdr + ATH10K_SMBIOS_BDF_EXT_OFFSET); 735 if (!bdf_enabled) { 736 ath10k_dbg(ar, ATH10K_DBG_BOOT, "bdf variant name not found.\n"); 737 return; 738 } 739 740 /* Only one string exists (per spec) */ 741 bdf_ext = (char *)hdr + hdr->length; 742 743 if (memcmp(bdf_ext, magic, strlen(magic)) != 0) { 744 ath10k_dbg(ar, ATH10K_DBG_BOOT, 745 "bdf variant magic does not match.\n"); 746 return; 747 } 748 749 for (i = 0; i < strlen(bdf_ext); i++) { 750 if (!isascii(bdf_ext[i]) || !isprint(bdf_ext[i])) { 751 ath10k_dbg(ar, ATH10K_DBG_BOOT, 752 "bdf variant name contains non ascii chars.\n"); 753 return; 754 } 755 } 756 757 /* Copy extension name without magic suffix */ 758 if (strscpy(ar->id.bdf_ext, bdf_ext + strlen(magic), 759 sizeof(ar->id.bdf_ext)) < 0) { 760 ath10k_dbg(ar, ATH10K_DBG_BOOT, 761 "bdf variant string is longer than the buffer can accommodate (variant: %s)\n", 762 bdf_ext); 763 return; 764 } 765 766 ath10k_dbg(ar, ATH10K_DBG_BOOT, 767 "found and validated bdf variant smbios_type 0x%x bdf %s\n", 768 ATH10K_SMBIOS_BDF_EXT_TYPE, bdf_ext); 769 } 770 771 static int ath10k_core_check_smbios(struct ath10k *ar) 772 { 773 ar->id.bdf_ext[0] = '\0'; 774 dmi_walk(ath10k_core_check_bdfext, ar); 775 776 if (ar->id.bdf_ext[0] == '\0') 777 return -ENODATA; 778 779 return 0; 780 } 781 782 static int ath10k_download_and_run_otp(struct ath10k *ar) 783 { 784 u32 result, address = ar->hw_params.patch_load_addr; 785 u32 bmi_otp_exe_param = ar->hw_params.otp_exe_param; 786 int ret; 787 788 ret = ath10k_download_board_data(ar, 789 ar->running_fw->board_data, 790 ar->running_fw->board_len); 791 if (ret) { 792 ath10k_err(ar, "failed to download board data: %d\n", ret); 793 return ret; 794 } 795 796 /* OTP is optional */ 797 798 if (!ar->running_fw->fw_file.otp_data || 799 !ar->running_fw->fw_file.otp_len) { 800 ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %pK otp_len %zd)!\n", 801 ar->running_fw->fw_file.otp_data, 802 ar->running_fw->fw_file.otp_len); 803 return 0; 804 } 805 806 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n", 807 address, ar->running_fw->fw_file.otp_len); 808 809 ret = ath10k_bmi_fast_download(ar, address, 810 ar->running_fw->fw_file.otp_data, 811 ar->running_fw->fw_file.otp_len); 812 if (ret) { 813 ath10k_err(ar, "could not write otp (%d)\n", ret); 814 return ret; 815 } 816 817 ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result); 818 if (ret) { 819 ath10k_err(ar, "could not execute otp (%d)\n", ret); 820 return ret; 821 } 822 823 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result); 824 825 if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT, 826 ar->running_fw->fw_file.fw_features)) && 827 result != 0) { 828 ath10k_err(ar, "otp calibration failed: %d", result); 829 return -EINVAL; 830 } 831 832 return 0; 833 } 834 835 static int ath10k_download_fw(struct ath10k *ar) 836 { 837 u32 address, data_len; 838 const void *data; 839 int ret; 840 841 address = ar->hw_params.patch_load_addr; 842 843 data = ar->running_fw->fw_file.firmware_data; 844 data_len = ar->running_fw->fw_file.firmware_len; 845 846 ret = ath10k_swap_code_seg_configure(ar, &ar->running_fw->fw_file); 847 if (ret) { 848 ath10k_err(ar, "failed to configure fw code swap: %d\n", 849 ret); 850 return ret; 851 } 852 853 ath10k_dbg(ar, ATH10K_DBG_BOOT, 854 "boot uploading firmware image %pK len %d\n", 855 data, data_len); 856 857 ret = ath10k_bmi_fast_download(ar, address, data, data_len); 858 if (ret) { 859 ath10k_err(ar, "failed to download firmware: %d\n", 860 ret); 861 return ret; 862 } 863 864 return ret; 865 } 866 867 static void ath10k_core_free_board_files(struct ath10k *ar) 868 { 869 if (!IS_ERR(ar->normal_mode_fw.board)) 870 release_firmware(ar->normal_mode_fw.board); 871 872 ar->normal_mode_fw.board = NULL; 873 ar->normal_mode_fw.board_data = NULL; 874 ar->normal_mode_fw.board_len = 0; 875 } 876 877 static void ath10k_core_free_firmware_files(struct ath10k *ar) 878 { 879 if (!IS_ERR(ar->normal_mode_fw.fw_file.firmware)) 880 release_firmware(ar->normal_mode_fw.fw_file.firmware); 881 882 if (!IS_ERR(ar->cal_file)) 883 release_firmware(ar->cal_file); 884 885 if (!IS_ERR(ar->pre_cal_file)) 886 release_firmware(ar->pre_cal_file); 887 888 ath10k_swap_code_seg_release(ar, &ar->normal_mode_fw.fw_file); 889 890 ar->normal_mode_fw.fw_file.otp_data = NULL; 891 ar->normal_mode_fw.fw_file.otp_len = 0; 892 893 ar->normal_mode_fw.fw_file.firmware = NULL; 894 ar->normal_mode_fw.fw_file.firmware_data = NULL; 895 ar->normal_mode_fw.fw_file.firmware_len = 0; 896 897 ar->cal_file = NULL; 898 ar->pre_cal_file = NULL; 899 } 900 901 static int ath10k_fetch_cal_file(struct ath10k *ar) 902 { 903 char filename[100]; 904 905 /* pre-cal-<bus>-<id>.bin */ 906 scnprintf(filename, sizeof(filename), "pre-cal-%s-%s.bin", 907 ath10k_bus_str(ar->hif.bus), dev_name(ar->dev)); 908 909 ar->pre_cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename); 910 if (!IS_ERR(ar->pre_cal_file)) 911 goto success; 912 913 /* cal-<bus>-<id>.bin */ 914 scnprintf(filename, sizeof(filename), "cal-%s-%s.bin", 915 ath10k_bus_str(ar->hif.bus), dev_name(ar->dev)); 916 917 ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename); 918 if (IS_ERR(ar->cal_file)) 919 /* calibration file is optional, don't print any warnings */ 920 return PTR_ERR(ar->cal_file); 921 success: 922 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n", 923 ATH10K_FW_DIR, filename); 924 925 return 0; 926 } 927 928 static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar) 929 { 930 if (!ar->hw_params.fw.board) { 931 ath10k_err(ar, "failed to find board file fw entry\n"); 932 return -EINVAL; 933 } 934 935 ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar, 936 ar->hw_params.fw.dir, 937 ar->hw_params.fw.board); 938 if (IS_ERR(ar->normal_mode_fw.board)) 939 return PTR_ERR(ar->normal_mode_fw.board); 940 941 ar->normal_mode_fw.board_data = ar->normal_mode_fw.board->data; 942 ar->normal_mode_fw.board_len = ar->normal_mode_fw.board->size; 943 944 return 0; 945 } 946 947 static int ath10k_core_parse_bd_ie_board(struct ath10k *ar, 948 const void *buf, size_t buf_len, 949 const char *boardname) 950 { 951 const struct ath10k_fw_ie *hdr; 952 bool name_match_found; 953 int ret, board_ie_id; 954 size_t board_ie_len; 955 const void *board_ie_data; 956 957 name_match_found = false; 958 959 /* go through ATH10K_BD_IE_BOARD_ elements */ 960 while (buf_len > sizeof(struct ath10k_fw_ie)) { 961 hdr = buf; 962 board_ie_id = le32_to_cpu(hdr->id); 963 board_ie_len = le32_to_cpu(hdr->len); 964 board_ie_data = hdr->data; 965 966 buf_len -= sizeof(*hdr); 967 buf += sizeof(*hdr); 968 969 if (buf_len < ALIGN(board_ie_len, 4)) { 970 ath10k_err(ar, "invalid ATH10K_BD_IE_BOARD length: %zu < %zu\n", 971 buf_len, ALIGN(board_ie_len, 4)); 972 ret = -EINVAL; 973 goto out; 974 } 975 976 switch (board_ie_id) { 977 case ATH10K_BD_IE_BOARD_NAME: 978 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "board name", "", 979 board_ie_data, board_ie_len); 980 981 if (board_ie_len != strlen(boardname)) 982 break; 983 984 ret = memcmp(board_ie_data, boardname, strlen(boardname)); 985 if (ret) 986 break; 987 988 name_match_found = true; 989 ath10k_dbg(ar, ATH10K_DBG_BOOT, 990 "boot found match for name '%s'", 991 boardname); 992 break; 993 case ATH10K_BD_IE_BOARD_DATA: 994 if (!name_match_found) 995 /* no match found */ 996 break; 997 998 ath10k_dbg(ar, ATH10K_DBG_BOOT, 999 "boot found board data for '%s'", 1000 boardname); 1001 1002 ar->normal_mode_fw.board_data = board_ie_data; 1003 ar->normal_mode_fw.board_len = board_ie_len; 1004 1005 ret = 0; 1006 goto out; 1007 default: 1008 ath10k_warn(ar, "unknown ATH10K_BD_IE_BOARD found: %d\n", 1009 board_ie_id); 1010 break; 1011 } 1012 1013 /* jump over the padding */ 1014 board_ie_len = ALIGN(board_ie_len, 4); 1015 1016 buf_len -= board_ie_len; 1017 buf += board_ie_len; 1018 } 1019 1020 /* no match found */ 1021 ret = -ENOENT; 1022 1023 out: 1024 return ret; 1025 } 1026 1027 static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar, 1028 const char *boardname, 1029 const char *filename) 1030 { 1031 size_t len, magic_len, ie_len; 1032 struct ath10k_fw_ie *hdr; 1033 const u8 *data; 1034 int ret, ie_id; 1035 1036 ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar, 1037 ar->hw_params.fw.dir, 1038 filename); 1039 if (IS_ERR(ar->normal_mode_fw.board)) 1040 return PTR_ERR(ar->normal_mode_fw.board); 1041 1042 data = ar->normal_mode_fw.board->data; 1043 len = ar->normal_mode_fw.board->size; 1044 1045 /* magic has extra null byte padded */ 1046 magic_len = strlen(ATH10K_BOARD_MAGIC) + 1; 1047 if (len < magic_len) { 1048 ath10k_err(ar, "failed to find magic value in %s/%s, file too short: %zu\n", 1049 ar->hw_params.fw.dir, filename, len); 1050 ret = -EINVAL; 1051 goto err; 1052 } 1053 1054 if (memcmp(data, ATH10K_BOARD_MAGIC, magic_len)) { 1055 ath10k_err(ar, "found invalid board magic\n"); 1056 ret = -EINVAL; 1057 goto err; 1058 } 1059 1060 /* magic is padded to 4 bytes */ 1061 magic_len = ALIGN(magic_len, 4); 1062 if (len < magic_len) { 1063 ath10k_err(ar, "failed: %s/%s too small to contain board data, len: %zu\n", 1064 ar->hw_params.fw.dir, filename, len); 1065 ret = -EINVAL; 1066 goto err; 1067 } 1068 1069 data += magic_len; 1070 len -= magic_len; 1071 1072 while (len > sizeof(struct ath10k_fw_ie)) { 1073 hdr = (struct ath10k_fw_ie *)data; 1074 ie_id = le32_to_cpu(hdr->id); 1075 ie_len = le32_to_cpu(hdr->len); 1076 1077 len -= sizeof(*hdr); 1078 data = hdr->data; 1079 1080 if (len < ALIGN(ie_len, 4)) { 1081 ath10k_err(ar, "invalid length for board ie_id %d ie_len %zu len %zu\n", 1082 ie_id, ie_len, len); 1083 ret = -EINVAL; 1084 goto err; 1085 } 1086 1087 switch (ie_id) { 1088 case ATH10K_BD_IE_BOARD: 1089 ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len, 1090 boardname); 1091 if (ret == -ENOENT && ar->id.bdf_ext[0] != '\0') { 1092 /* try default bdf if variant was not found */ 1093 char *s, *v = ",variant="; 1094 char boardname2[100]; 1095 1096 strlcpy(boardname2, boardname, 1097 sizeof(boardname2)); 1098 1099 s = strstr(boardname2, v); 1100 if (s) 1101 *s = '\0'; /* strip ",variant=%s" */ 1102 1103 ret = ath10k_core_parse_bd_ie_board(ar, data, 1104 ie_len, 1105 boardname2); 1106 } 1107 1108 if (ret == -ENOENT) 1109 /* no match found, continue */ 1110 break; 1111 else if (ret) 1112 /* there was an error, bail out */ 1113 goto err; 1114 1115 /* board data found */ 1116 goto out; 1117 } 1118 1119 /* jump over the padding */ 1120 ie_len = ALIGN(ie_len, 4); 1121 1122 len -= ie_len; 1123 data += ie_len; 1124 } 1125 1126 out: 1127 if (!ar->normal_mode_fw.board_data || !ar->normal_mode_fw.board_len) { 1128 ath10k_err(ar, 1129 "failed to fetch board data for %s from %s/%s\n", 1130 boardname, ar->hw_params.fw.dir, filename); 1131 ret = -ENODATA; 1132 goto err; 1133 } 1134 1135 return 0; 1136 1137 err: 1138 ath10k_core_free_board_files(ar); 1139 return ret; 1140 } 1141 1142 static int ath10k_core_create_board_name(struct ath10k *ar, char *name, 1143 size_t name_len) 1144 { 1145 /* strlen(',variant=') + strlen(ar->id.bdf_ext) */ 1146 char variant[9 + ATH10K_SMBIOS_BDF_EXT_STR_LENGTH] = { 0 }; 1147 1148 if (ar->id.bmi_ids_valid) { 1149 scnprintf(name, name_len, 1150 "bus=%s,bmi-chip-id=%d,bmi-board-id=%d", 1151 ath10k_bus_str(ar->hif.bus), 1152 ar->id.bmi_chip_id, 1153 ar->id.bmi_board_id); 1154 goto out; 1155 } 1156 1157 if (ar->id.bdf_ext[0] != '\0') 1158 scnprintf(variant, sizeof(variant), ",variant=%s", 1159 ar->id.bdf_ext); 1160 1161 scnprintf(name, name_len, 1162 "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x%s", 1163 ath10k_bus_str(ar->hif.bus), 1164 ar->id.vendor, ar->id.device, 1165 ar->id.subsystem_vendor, ar->id.subsystem_device, variant); 1166 out: 1167 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name); 1168 1169 return 0; 1170 } 1171 1172 static int ath10k_core_fetch_board_file(struct ath10k *ar) 1173 { 1174 char boardname[100]; 1175 int ret; 1176 1177 ret = ath10k_core_create_board_name(ar, boardname, sizeof(boardname)); 1178 if (ret) { 1179 ath10k_err(ar, "failed to create board name: %d", ret); 1180 return ret; 1181 } 1182 1183 ar->bd_api = 2; 1184 ret = ath10k_core_fetch_board_data_api_n(ar, boardname, 1185 ATH10K_BOARD_API2_FILE); 1186 if (!ret) 1187 goto success; 1188 1189 ar->bd_api = 1; 1190 ret = ath10k_core_fetch_board_data_api_1(ar); 1191 if (ret) { 1192 ath10k_err(ar, "failed to fetch board-2.bin or board.bin from %s\n", 1193 ar->hw_params.fw.dir); 1194 return ret; 1195 } 1196 1197 success: 1198 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api); 1199 return 0; 1200 } 1201 1202 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name, 1203 struct ath10k_fw_file *fw_file) 1204 { 1205 size_t magic_len, len, ie_len; 1206 int ie_id, i, index, bit, ret; 1207 struct ath10k_fw_ie *hdr; 1208 const u8 *data; 1209 __le32 *timestamp, *version; 1210 1211 /* first fetch the firmware file (firmware-*.bin) */ 1212 fw_file->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, 1213 name); 1214 if (IS_ERR(fw_file->firmware)) 1215 return PTR_ERR(fw_file->firmware); 1216 1217 data = fw_file->firmware->data; 1218 len = fw_file->firmware->size; 1219 1220 /* magic also includes the null byte, check that as well */ 1221 magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1; 1222 1223 if (len < magic_len) { 1224 ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n", 1225 ar->hw_params.fw.dir, name, len); 1226 ret = -EINVAL; 1227 goto err; 1228 } 1229 1230 if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) { 1231 ath10k_err(ar, "invalid firmware magic\n"); 1232 ret = -EINVAL; 1233 goto err; 1234 } 1235 1236 /* jump over the padding */ 1237 magic_len = ALIGN(magic_len, 4); 1238 1239 len -= magic_len; 1240 data += magic_len; 1241 1242 /* loop elements */ 1243 while (len > sizeof(struct ath10k_fw_ie)) { 1244 hdr = (struct ath10k_fw_ie *)data; 1245 1246 ie_id = le32_to_cpu(hdr->id); 1247 ie_len = le32_to_cpu(hdr->len); 1248 1249 len -= sizeof(*hdr); 1250 data += sizeof(*hdr); 1251 1252 if (len < ie_len) { 1253 ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n", 1254 ie_id, len, ie_len); 1255 ret = -EINVAL; 1256 goto err; 1257 } 1258 1259 switch (ie_id) { 1260 case ATH10K_FW_IE_FW_VERSION: 1261 if (ie_len > sizeof(fw_file->fw_version) - 1) 1262 break; 1263 1264 memcpy(fw_file->fw_version, data, ie_len); 1265 fw_file->fw_version[ie_len] = '\0'; 1266 1267 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1268 "found fw version %s\n", 1269 fw_file->fw_version); 1270 break; 1271 case ATH10K_FW_IE_TIMESTAMP: 1272 if (ie_len != sizeof(u32)) 1273 break; 1274 1275 timestamp = (__le32 *)data; 1276 1277 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n", 1278 le32_to_cpup(timestamp)); 1279 break; 1280 case ATH10K_FW_IE_FEATURES: 1281 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1282 "found firmware features ie (%zd B)\n", 1283 ie_len); 1284 1285 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) { 1286 index = i / 8; 1287 bit = i % 8; 1288 1289 if (index == ie_len) 1290 break; 1291 1292 if (data[index] & (1 << bit)) { 1293 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1294 "Enabling feature bit: %i\n", 1295 i); 1296 __set_bit(i, fw_file->fw_features); 1297 } 1298 } 1299 1300 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "", 1301 fw_file->fw_features, 1302 sizeof(fw_file->fw_features)); 1303 break; 1304 case ATH10K_FW_IE_FW_IMAGE: 1305 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1306 "found fw image ie (%zd B)\n", 1307 ie_len); 1308 1309 fw_file->firmware_data = data; 1310 fw_file->firmware_len = ie_len; 1311 1312 break; 1313 case ATH10K_FW_IE_OTP_IMAGE: 1314 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1315 "found otp image ie (%zd B)\n", 1316 ie_len); 1317 1318 fw_file->otp_data = data; 1319 fw_file->otp_len = ie_len; 1320 1321 break; 1322 case ATH10K_FW_IE_WMI_OP_VERSION: 1323 if (ie_len != sizeof(u32)) 1324 break; 1325 1326 version = (__le32 *)data; 1327 1328 fw_file->wmi_op_version = le32_to_cpup(version); 1329 1330 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n", 1331 fw_file->wmi_op_version); 1332 break; 1333 case ATH10K_FW_IE_HTT_OP_VERSION: 1334 if (ie_len != sizeof(u32)) 1335 break; 1336 1337 version = (__le32 *)data; 1338 1339 fw_file->htt_op_version = le32_to_cpup(version); 1340 1341 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n", 1342 fw_file->htt_op_version); 1343 break; 1344 case ATH10K_FW_IE_FW_CODE_SWAP_IMAGE: 1345 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1346 "found fw code swap image ie (%zd B)\n", 1347 ie_len); 1348 fw_file->codeswap_data = data; 1349 fw_file->codeswap_len = ie_len; 1350 break; 1351 default: 1352 ath10k_warn(ar, "Unknown FW IE: %u\n", 1353 le32_to_cpu(hdr->id)); 1354 break; 1355 } 1356 1357 /* jump over the padding */ 1358 ie_len = ALIGN(ie_len, 4); 1359 1360 len -= ie_len; 1361 data += ie_len; 1362 } 1363 1364 if (!fw_file->firmware_data || 1365 !fw_file->firmware_len) { 1366 ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n", 1367 ar->hw_params.fw.dir, name); 1368 ret = -ENOMEDIUM; 1369 goto err; 1370 } 1371 1372 return 0; 1373 1374 err: 1375 ath10k_core_free_firmware_files(ar); 1376 return ret; 1377 } 1378 1379 static void ath10k_core_get_fw_name(struct ath10k *ar, char *fw_name, 1380 size_t fw_name_len, int fw_api) 1381 { 1382 scnprintf(fw_name, fw_name_len, "%s-%d.bin", ATH10K_FW_FILE_BASE, fw_api); 1383 } 1384 1385 static int ath10k_core_fetch_firmware_files(struct ath10k *ar) 1386 { 1387 int ret, i; 1388 char fw_name[100]; 1389 1390 /* calibration file is optional, don't check for any errors */ 1391 ath10k_fetch_cal_file(ar); 1392 1393 for (i = ATH10K_FW_API_MAX; i >= ATH10K_FW_API_MIN; i--) { 1394 ar->fw_api = i; 1395 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", 1396 ar->fw_api); 1397 1398 ath10k_core_get_fw_name(ar, fw_name, sizeof(fw_name), ar->fw_api); 1399 ret = ath10k_core_fetch_firmware_api_n(ar, fw_name, 1400 &ar->normal_mode_fw.fw_file); 1401 if (!ret) 1402 goto success; 1403 } 1404 1405 /* we end up here if we couldn't fetch any firmware */ 1406 1407 ath10k_err(ar, "Failed to find firmware-N.bin (N between %d and %d) from %s: %d", 1408 ATH10K_FW_API_MIN, ATH10K_FW_API_MAX, ar->hw_params.fw.dir, 1409 ret); 1410 1411 return ret; 1412 1413 success: 1414 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api); 1415 1416 return 0; 1417 } 1418 1419 static int ath10k_core_pre_cal_download(struct ath10k *ar) 1420 { 1421 int ret; 1422 1423 ret = ath10k_download_cal_file(ar, ar->pre_cal_file); 1424 if (ret == 0) { 1425 ar->cal_mode = ATH10K_PRE_CAL_MODE_FILE; 1426 goto success; 1427 } 1428 1429 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1430 "boot did not find a pre calibration file, try DT next: %d\n", 1431 ret); 1432 1433 ret = ath10k_download_cal_dt(ar, "qcom,ath10k-pre-calibration-data"); 1434 if (ret) { 1435 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1436 "unable to load pre cal data from DT: %d\n", ret); 1437 return ret; 1438 } 1439 ar->cal_mode = ATH10K_PRE_CAL_MODE_DT; 1440 1441 success: 1442 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n", 1443 ath10k_cal_mode_str(ar->cal_mode)); 1444 1445 return 0; 1446 } 1447 1448 static int ath10k_core_pre_cal_config(struct ath10k *ar) 1449 { 1450 int ret; 1451 1452 ret = ath10k_core_pre_cal_download(ar); 1453 if (ret) { 1454 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1455 "failed to load pre cal data: %d\n", ret); 1456 return ret; 1457 } 1458 1459 ret = ath10k_core_get_board_id_from_otp(ar); 1460 if (ret) { 1461 ath10k_err(ar, "failed to get board id: %d\n", ret); 1462 return ret; 1463 } 1464 1465 ret = ath10k_download_and_run_otp(ar); 1466 if (ret) { 1467 ath10k_err(ar, "failed to run otp: %d\n", ret); 1468 return ret; 1469 } 1470 1471 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1472 "pre cal configuration done successfully\n"); 1473 1474 return 0; 1475 } 1476 1477 static int ath10k_download_cal_data(struct ath10k *ar) 1478 { 1479 int ret; 1480 1481 ret = ath10k_core_pre_cal_config(ar); 1482 if (ret == 0) 1483 return 0; 1484 1485 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1486 "pre cal download procedure failed, try cal file: %d\n", 1487 ret); 1488 1489 ret = ath10k_download_cal_file(ar, ar->cal_file); 1490 if (ret == 0) { 1491 ar->cal_mode = ATH10K_CAL_MODE_FILE; 1492 goto done; 1493 } 1494 1495 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1496 "boot did not find a calibration file, try DT next: %d\n", 1497 ret); 1498 1499 ret = ath10k_download_cal_dt(ar, "qcom,ath10k-calibration-data"); 1500 if (ret == 0) { 1501 ar->cal_mode = ATH10K_CAL_MODE_DT; 1502 goto done; 1503 } 1504 1505 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1506 "boot did not find DT entry, try target EEPROM next: %d\n", 1507 ret); 1508 1509 ret = ath10k_download_cal_eeprom(ar); 1510 if (ret == 0) { 1511 ar->cal_mode = ATH10K_CAL_MODE_EEPROM; 1512 goto done; 1513 } 1514 1515 ath10k_dbg(ar, ATH10K_DBG_BOOT, 1516 "boot did not find target EEPROM entry, try OTP next: %d\n", 1517 ret); 1518 1519 ret = ath10k_download_and_run_otp(ar); 1520 if (ret) { 1521 ath10k_err(ar, "failed to run otp: %d\n", ret); 1522 return ret; 1523 } 1524 1525 ar->cal_mode = ATH10K_CAL_MODE_OTP; 1526 1527 done: 1528 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n", 1529 ath10k_cal_mode_str(ar->cal_mode)); 1530 return 0; 1531 } 1532 1533 static int ath10k_init_uart(struct ath10k *ar) 1534 { 1535 int ret; 1536 1537 /* 1538 * Explicitly setting UART prints to zero as target turns it on 1539 * based on scratch registers. 1540 */ 1541 ret = ath10k_bmi_write32(ar, hi_serial_enable, 0); 1542 if (ret) { 1543 ath10k_warn(ar, "could not disable UART prints (%d)\n", ret); 1544 return ret; 1545 } 1546 1547 if (!uart_print) 1548 return 0; 1549 1550 ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin); 1551 if (ret) { 1552 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret); 1553 return ret; 1554 } 1555 1556 ret = ath10k_bmi_write32(ar, hi_serial_enable, 1); 1557 if (ret) { 1558 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret); 1559 return ret; 1560 } 1561 1562 /* Set the UART baud rate to 19200. */ 1563 ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200); 1564 if (ret) { 1565 ath10k_warn(ar, "could not set the baud rate (%d)\n", ret); 1566 return ret; 1567 } 1568 1569 ath10k_info(ar, "UART prints enabled\n"); 1570 return 0; 1571 } 1572 1573 static int ath10k_init_hw_params(struct ath10k *ar) 1574 { 1575 const struct ath10k_hw_params *uninitialized_var(hw_params); 1576 int i; 1577 1578 for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) { 1579 hw_params = &ath10k_hw_params_list[i]; 1580 1581 if (hw_params->id == ar->target_version && 1582 hw_params->dev_id == ar->dev_id) 1583 break; 1584 } 1585 1586 if (i == ARRAY_SIZE(ath10k_hw_params_list)) { 1587 ath10k_err(ar, "Unsupported hardware version: 0x%x\n", 1588 ar->target_version); 1589 return -EINVAL; 1590 } 1591 1592 ar->hw_params = *hw_params; 1593 1594 ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n", 1595 ar->hw_params.name, ar->target_version); 1596 1597 return 0; 1598 } 1599 1600 static void ath10k_core_restart(struct work_struct *work) 1601 { 1602 struct ath10k *ar = container_of(work, struct ath10k, restart_work); 1603 int ret; 1604 1605 set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags); 1606 1607 /* Place a barrier to make sure the compiler doesn't reorder 1608 * CRASH_FLUSH and calling other functions. 1609 */ 1610 barrier(); 1611 1612 ieee80211_stop_queues(ar->hw); 1613 ath10k_drain_tx(ar); 1614 complete(&ar->scan.started); 1615 complete(&ar->scan.completed); 1616 complete(&ar->scan.on_channel); 1617 complete(&ar->offchan_tx_completed); 1618 complete(&ar->install_key_done); 1619 complete(&ar->vdev_setup_done); 1620 complete(&ar->thermal.wmi_sync); 1621 complete(&ar->bss_survey_done); 1622 wake_up(&ar->htt.empty_tx_wq); 1623 wake_up(&ar->wmi.tx_credits_wq); 1624 wake_up(&ar->peer_mapping_wq); 1625 1626 mutex_lock(&ar->conf_mutex); 1627 1628 switch (ar->state) { 1629 case ATH10K_STATE_ON: 1630 ar->state = ATH10K_STATE_RESTARTING; 1631 ath10k_halt(ar); 1632 ath10k_scan_finish(ar); 1633 ieee80211_restart_hw(ar->hw); 1634 break; 1635 case ATH10K_STATE_OFF: 1636 /* this can happen if driver is being unloaded 1637 * or if the crash happens during FW probing */ 1638 ath10k_warn(ar, "cannot restart a device that hasn't been started\n"); 1639 break; 1640 case ATH10K_STATE_RESTARTING: 1641 /* hw restart might be requested from multiple places */ 1642 break; 1643 case ATH10K_STATE_RESTARTED: 1644 ar->state = ATH10K_STATE_WEDGED; 1645 /* fall through */ 1646 case ATH10K_STATE_WEDGED: 1647 ath10k_warn(ar, "device is wedged, will not restart\n"); 1648 break; 1649 case ATH10K_STATE_UTF: 1650 ath10k_warn(ar, "firmware restart in UTF mode not supported\n"); 1651 break; 1652 } 1653 1654 mutex_unlock(&ar->conf_mutex); 1655 1656 ret = ath10k_debug_fw_devcoredump(ar); 1657 if (ret) 1658 ath10k_warn(ar, "failed to send firmware crash dump via devcoredump: %d", 1659 ret); 1660 } 1661 1662 static void ath10k_core_set_coverage_class_work(struct work_struct *work) 1663 { 1664 struct ath10k *ar = container_of(work, struct ath10k, 1665 set_coverage_class_work); 1666 1667 if (ar->hw_params.hw_ops->set_coverage_class) 1668 ar->hw_params.hw_ops->set_coverage_class(ar, -1); 1669 } 1670 1671 static int ath10k_core_init_firmware_features(struct ath10k *ar) 1672 { 1673 struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file; 1674 1675 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, fw_file->fw_features) && 1676 !test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) { 1677 ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well"); 1678 return -EINVAL; 1679 } 1680 1681 if (fw_file->wmi_op_version >= ATH10K_FW_WMI_OP_VERSION_MAX) { 1682 ath10k_err(ar, "unsupported WMI OP version (max %d): %d\n", 1683 ATH10K_FW_WMI_OP_VERSION_MAX, fw_file->wmi_op_version); 1684 return -EINVAL; 1685 } 1686 1687 ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_NATIVE_WIFI; 1688 switch (ath10k_cryptmode_param) { 1689 case ATH10K_CRYPT_MODE_HW: 1690 clear_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags); 1691 clear_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags); 1692 break; 1693 case ATH10K_CRYPT_MODE_SW: 1694 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT, 1695 fw_file->fw_features)) { 1696 ath10k_err(ar, "cryptmode > 0 requires raw mode support from firmware"); 1697 return -EINVAL; 1698 } 1699 1700 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags); 1701 set_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags); 1702 break; 1703 default: 1704 ath10k_info(ar, "invalid cryptmode: %d\n", 1705 ath10k_cryptmode_param); 1706 return -EINVAL; 1707 } 1708 1709 ar->htt.max_num_amsdu = ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT; 1710 ar->htt.max_num_ampdu = ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT; 1711 1712 if (rawmode) { 1713 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT, 1714 fw_file->fw_features)) { 1715 ath10k_err(ar, "rawmode = 1 requires support from firmware"); 1716 return -EINVAL; 1717 } 1718 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags); 1719 } 1720 1721 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) { 1722 ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_RAW; 1723 1724 /* Workaround: 1725 * 1726 * Firmware A-MSDU aggregation breaks with RAW Tx encap mode 1727 * and causes enormous performance issues (malformed frames, 1728 * etc). 1729 * 1730 * Disabling A-MSDU makes RAW mode stable with heavy traffic 1731 * albeit a bit slower compared to regular operation. 1732 */ 1733 ar->htt.max_num_amsdu = 1; 1734 } 1735 1736 /* Backwards compatibility for firmwares without 1737 * ATH10K_FW_IE_WMI_OP_VERSION. 1738 */ 1739 if (fw_file->wmi_op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) { 1740 if (test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) { 1741 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, 1742 fw_file->fw_features)) 1743 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_2; 1744 else 1745 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_1; 1746 } else { 1747 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_MAIN; 1748 } 1749 } 1750 1751 switch (fw_file->wmi_op_version) { 1752 case ATH10K_FW_WMI_OP_VERSION_MAIN: 1753 ar->max_num_peers = TARGET_NUM_PEERS; 1754 ar->max_num_stations = TARGET_NUM_STATIONS; 1755 ar->max_num_vdevs = TARGET_NUM_VDEVS; 1756 ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC; 1757 ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV | 1758 WMI_STAT_PEER; 1759 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM; 1760 break; 1761 case ATH10K_FW_WMI_OP_VERSION_10_1: 1762 case ATH10K_FW_WMI_OP_VERSION_10_2: 1763 case ATH10K_FW_WMI_OP_VERSION_10_2_4: 1764 if (ath10k_peer_stats_enabled(ar)) { 1765 ar->max_num_peers = TARGET_10X_TX_STATS_NUM_PEERS; 1766 ar->max_num_stations = TARGET_10X_TX_STATS_NUM_STATIONS; 1767 } else { 1768 ar->max_num_peers = TARGET_10X_NUM_PEERS; 1769 ar->max_num_stations = TARGET_10X_NUM_STATIONS; 1770 } 1771 ar->max_num_vdevs = TARGET_10X_NUM_VDEVS; 1772 ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC; 1773 ar->fw_stats_req_mask = WMI_STAT_PEER; 1774 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM; 1775 break; 1776 case ATH10K_FW_WMI_OP_VERSION_TLV: 1777 ar->max_num_peers = TARGET_TLV_NUM_PEERS; 1778 ar->max_num_stations = TARGET_TLV_NUM_STATIONS; 1779 ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS; 1780 ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS; 1781 ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC; 1782 ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS; 1783 ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV | 1784 WMI_STAT_PEER; 1785 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM; 1786 break; 1787 case ATH10K_FW_WMI_OP_VERSION_10_4: 1788 ar->max_num_peers = TARGET_10_4_NUM_PEERS; 1789 ar->max_num_stations = TARGET_10_4_NUM_STATIONS; 1790 ar->num_active_peers = TARGET_10_4_ACTIVE_PEERS; 1791 ar->max_num_vdevs = TARGET_10_4_NUM_VDEVS; 1792 ar->num_tids = TARGET_10_4_TGT_NUM_TIDS; 1793 ar->fw_stats_req_mask = WMI_10_4_STAT_PEER | 1794 WMI_10_4_STAT_PEER_EXTD; 1795 ar->max_spatial_stream = ar->hw_params.max_spatial_stream; 1796 1797 if (test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL, 1798 fw_file->fw_features)) 1799 ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC_PFC; 1800 else 1801 ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC; 1802 break; 1803 case ATH10K_FW_WMI_OP_VERSION_UNSET: 1804 case ATH10K_FW_WMI_OP_VERSION_MAX: 1805 WARN_ON(1); 1806 return -EINVAL; 1807 } 1808 1809 /* Backwards compatibility for firmwares without 1810 * ATH10K_FW_IE_HTT_OP_VERSION. 1811 */ 1812 if (fw_file->htt_op_version == ATH10K_FW_HTT_OP_VERSION_UNSET) { 1813 switch (fw_file->wmi_op_version) { 1814 case ATH10K_FW_WMI_OP_VERSION_MAIN: 1815 fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_MAIN; 1816 break; 1817 case ATH10K_FW_WMI_OP_VERSION_10_1: 1818 case ATH10K_FW_WMI_OP_VERSION_10_2: 1819 case ATH10K_FW_WMI_OP_VERSION_10_2_4: 1820 fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_10_1; 1821 break; 1822 case ATH10K_FW_WMI_OP_VERSION_TLV: 1823 fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_TLV; 1824 break; 1825 case ATH10K_FW_WMI_OP_VERSION_10_4: 1826 case ATH10K_FW_WMI_OP_VERSION_UNSET: 1827 case ATH10K_FW_WMI_OP_VERSION_MAX: 1828 ath10k_err(ar, "htt op version not found from fw meta data"); 1829 return -EINVAL; 1830 } 1831 } 1832 1833 return 0; 1834 } 1835 1836 static int ath10k_core_reset_rx_filter(struct ath10k *ar) 1837 { 1838 int ret; 1839 int vdev_id; 1840 int vdev_type; 1841 int vdev_subtype; 1842 const u8 *vdev_addr; 1843 1844 vdev_id = 0; 1845 vdev_type = WMI_VDEV_TYPE_STA; 1846 vdev_subtype = ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE); 1847 vdev_addr = ar->mac_addr; 1848 1849 ret = ath10k_wmi_vdev_create(ar, vdev_id, vdev_type, vdev_subtype, 1850 vdev_addr); 1851 if (ret) { 1852 ath10k_err(ar, "failed to create dummy vdev: %d\n", ret); 1853 return ret; 1854 } 1855 1856 ret = ath10k_wmi_vdev_delete(ar, vdev_id); 1857 if (ret) { 1858 ath10k_err(ar, "failed to delete dummy vdev: %d\n", ret); 1859 return ret; 1860 } 1861 1862 /* WMI and HTT may use separate HIF pipes and are not guaranteed to be 1863 * serialized properly implicitly. 1864 * 1865 * Moreover (most) WMI commands have no explicit acknowledges. It is 1866 * possible to infer it implicitly by poking firmware with echo 1867 * command - getting a reply means all preceding comments have been 1868 * (mostly) processed. 1869 * 1870 * In case of vdev create/delete this is sufficient. 1871 * 1872 * Without this it's possible to end up with a race when HTT Rx ring is 1873 * started before vdev create/delete hack is complete allowing a short 1874 * window of opportunity to receive (and Tx ACK) a bunch of frames. 1875 */ 1876 ret = ath10k_wmi_barrier(ar); 1877 if (ret) { 1878 ath10k_err(ar, "failed to ping firmware: %d\n", ret); 1879 return ret; 1880 } 1881 1882 return 0; 1883 } 1884 1885 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode, 1886 const struct ath10k_fw_components *fw) 1887 { 1888 int status; 1889 u32 val; 1890 1891 lockdep_assert_held(&ar->conf_mutex); 1892 1893 clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags); 1894 1895 ar->running_fw = fw; 1896 1897 ath10k_bmi_start(ar); 1898 1899 if (ath10k_init_configure_target(ar)) { 1900 status = -EINVAL; 1901 goto err; 1902 } 1903 1904 status = ath10k_download_cal_data(ar); 1905 if (status) 1906 goto err; 1907 1908 /* Some of of qca988x solutions are having global reset issue 1909 * during target initialization. Bypassing PLL setting before 1910 * downloading firmware and letting the SoC run on REF_CLK is 1911 * fixing the problem. Corresponding firmware change is also needed 1912 * to set the clock source once the target is initialized. 1913 */ 1914 if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT, 1915 ar->running_fw->fw_file.fw_features)) { 1916 status = ath10k_bmi_write32(ar, hi_skip_clock_init, 1); 1917 if (status) { 1918 ath10k_err(ar, "could not write to skip_clock_init: %d\n", 1919 status); 1920 goto err; 1921 } 1922 } 1923 1924 status = ath10k_download_fw(ar); 1925 if (status) 1926 goto err; 1927 1928 status = ath10k_init_uart(ar); 1929 if (status) 1930 goto err; 1931 1932 ar->htc.htc_ops.target_send_suspend_complete = 1933 ath10k_send_suspend_complete; 1934 1935 status = ath10k_htc_init(ar); 1936 if (status) { 1937 ath10k_err(ar, "could not init HTC (%d)\n", status); 1938 goto err; 1939 } 1940 1941 status = ath10k_bmi_done(ar); 1942 if (status) 1943 goto err; 1944 1945 status = ath10k_wmi_attach(ar); 1946 if (status) { 1947 ath10k_err(ar, "WMI attach failed: %d\n", status); 1948 goto err; 1949 } 1950 1951 status = ath10k_htt_init(ar); 1952 if (status) { 1953 ath10k_err(ar, "failed to init htt: %d\n", status); 1954 goto err_wmi_detach; 1955 } 1956 1957 status = ath10k_htt_tx_start(&ar->htt); 1958 if (status) { 1959 ath10k_err(ar, "failed to alloc htt tx: %d\n", status); 1960 goto err_wmi_detach; 1961 } 1962 1963 status = ath10k_htt_rx_alloc(&ar->htt); 1964 if (status) { 1965 ath10k_err(ar, "failed to alloc htt rx: %d\n", status); 1966 goto err_htt_tx_detach; 1967 } 1968 1969 status = ath10k_hif_start(ar); 1970 if (status) { 1971 ath10k_err(ar, "could not start HIF: %d\n", status); 1972 goto err_htt_rx_detach; 1973 } 1974 1975 status = ath10k_htc_wait_target(&ar->htc); 1976 if (status) { 1977 ath10k_err(ar, "failed to connect to HTC: %d\n", status); 1978 goto err_hif_stop; 1979 } 1980 1981 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) { 1982 status = ath10k_htt_connect(&ar->htt); 1983 if (status) { 1984 ath10k_err(ar, "failed to connect htt (%d)\n", status); 1985 goto err_hif_stop; 1986 } 1987 } 1988 1989 status = ath10k_wmi_connect(ar); 1990 if (status) { 1991 ath10k_err(ar, "could not connect wmi: %d\n", status); 1992 goto err_hif_stop; 1993 } 1994 1995 status = ath10k_htc_start(&ar->htc); 1996 if (status) { 1997 ath10k_err(ar, "failed to start htc: %d\n", status); 1998 goto err_hif_stop; 1999 } 2000 2001 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) { 2002 status = ath10k_wmi_wait_for_service_ready(ar); 2003 if (status) { 2004 ath10k_warn(ar, "wmi service ready event not received"); 2005 goto err_hif_stop; 2006 } 2007 } 2008 2009 ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n", 2010 ar->hw->wiphy->fw_version); 2011 2012 if (test_bit(WMI_SERVICE_EXT_RES_CFG_SUPPORT, ar->wmi.svc_map) && 2013 mode == ATH10K_FIRMWARE_MODE_NORMAL) { 2014 val = 0; 2015 if (ath10k_peer_stats_enabled(ar)) 2016 val = WMI_10_4_PEER_STATS; 2017 2018 if (test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map)) 2019 val |= WMI_10_4_BSS_CHANNEL_INFO_64; 2020 2021 /* 10.4 firmware supports BT-Coex without reloading firmware 2022 * via pdev param. To support Bluetooth coexistence pdev param, 2023 * WMI_COEX_GPIO_SUPPORT of extended resource config should be 2024 * enabled always. 2025 */ 2026 if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map) && 2027 test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM, 2028 ar->running_fw->fw_file.fw_features)) 2029 val |= WMI_10_4_COEX_GPIO_SUPPORT; 2030 2031 status = ath10k_mac_ext_resource_config(ar, val); 2032 if (status) { 2033 ath10k_err(ar, 2034 "failed to send ext resource cfg command : %d\n", 2035 status); 2036 goto err_hif_stop; 2037 } 2038 } 2039 2040 status = ath10k_wmi_cmd_init(ar); 2041 if (status) { 2042 ath10k_err(ar, "could not send WMI init command (%d)\n", 2043 status); 2044 goto err_hif_stop; 2045 } 2046 2047 status = ath10k_wmi_wait_for_unified_ready(ar); 2048 if (status) { 2049 ath10k_err(ar, "wmi unified ready event not received\n"); 2050 goto err_hif_stop; 2051 } 2052 2053 /* Some firmware revisions do not properly set up hardware rx filter 2054 * registers. 2055 * 2056 * A known example from QCA9880 and 10.2.4 is that MAC_PCU_ADDR1_MASK 2057 * is filled with 0s instead of 1s allowing HW to respond with ACKs to 2058 * any frames that matches MAC_PCU_RX_FILTER which is also 2059 * misconfigured to accept anything. 2060 * 2061 * The ADDR1 is programmed using internal firmware structure field and 2062 * can't be (easily/sanely) reached from the driver explicitly. It is 2063 * possible to implicitly make it correct by creating a dummy vdev and 2064 * then deleting it. 2065 */ 2066 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) { 2067 status = ath10k_core_reset_rx_filter(ar); 2068 if (status) { 2069 ath10k_err(ar, 2070 "failed to reset rx filter: %d\n", status); 2071 goto err_hif_stop; 2072 } 2073 } 2074 2075 /* If firmware indicates Full Rx Reorder support it must be used in a 2076 * slightly different manner. Let HTT code know. 2077 */ 2078 ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER, 2079 ar->wmi.svc_map)); 2080 2081 status = ath10k_htt_rx_ring_refill(ar); 2082 if (status) { 2083 ath10k_err(ar, "failed to refill htt rx ring: %d\n", status); 2084 goto err_hif_stop; 2085 } 2086 2087 if (ar->max_num_vdevs >= 64) 2088 ar->free_vdev_map = 0xFFFFFFFFFFFFFFFFLL; 2089 else 2090 ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1; 2091 2092 INIT_LIST_HEAD(&ar->arvifs); 2093 2094 /* we don't care about HTT in UTF mode */ 2095 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) { 2096 status = ath10k_htt_setup(&ar->htt); 2097 if (status) { 2098 ath10k_err(ar, "failed to setup htt: %d\n", status); 2099 goto err_hif_stop; 2100 } 2101 } 2102 2103 status = ath10k_debug_start(ar); 2104 if (status) 2105 goto err_hif_stop; 2106 2107 return 0; 2108 2109 err_hif_stop: 2110 ath10k_hif_stop(ar); 2111 err_htt_rx_detach: 2112 ath10k_htt_rx_free(&ar->htt); 2113 err_htt_tx_detach: 2114 ath10k_htt_tx_free(&ar->htt); 2115 err_wmi_detach: 2116 ath10k_wmi_detach(ar); 2117 err: 2118 return status; 2119 } 2120 EXPORT_SYMBOL(ath10k_core_start); 2121 2122 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt) 2123 { 2124 int ret; 2125 unsigned long time_left; 2126 2127 reinit_completion(&ar->target_suspend); 2128 2129 ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt); 2130 if (ret) { 2131 ath10k_warn(ar, "could not suspend target (%d)\n", ret); 2132 return ret; 2133 } 2134 2135 time_left = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ); 2136 2137 if (!time_left) { 2138 ath10k_warn(ar, "suspend timed out - target pause event never came\n"); 2139 return -ETIMEDOUT; 2140 } 2141 2142 return 0; 2143 } 2144 2145 void ath10k_core_stop(struct ath10k *ar) 2146 { 2147 lockdep_assert_held(&ar->conf_mutex); 2148 ath10k_debug_stop(ar); 2149 2150 /* try to suspend target */ 2151 if (ar->state != ATH10K_STATE_RESTARTING && 2152 ar->state != ATH10K_STATE_UTF) 2153 ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR); 2154 2155 ath10k_hif_stop(ar); 2156 ath10k_htt_tx_stop(&ar->htt); 2157 ath10k_htt_rx_free(&ar->htt); 2158 ath10k_wmi_detach(ar); 2159 } 2160 EXPORT_SYMBOL(ath10k_core_stop); 2161 2162 /* mac80211 manages fw/hw initialization through start/stop hooks. However in 2163 * order to know what hw capabilities should be advertised to mac80211 it is 2164 * necessary to load the firmware (and tear it down immediately since start 2165 * hook will try to init it again) before registering */ 2166 static int ath10k_core_probe_fw(struct ath10k *ar) 2167 { 2168 struct bmi_target_info target_info; 2169 int ret = 0; 2170 2171 ret = ath10k_hif_power_up(ar); 2172 if (ret) { 2173 ath10k_err(ar, "could not start pci hif (%d)\n", ret); 2174 return ret; 2175 } 2176 2177 memset(&target_info, 0, sizeof(target_info)); 2178 ret = ath10k_bmi_get_target_info(ar, &target_info); 2179 if (ret) { 2180 ath10k_err(ar, "could not get target info (%d)\n", ret); 2181 goto err_power_down; 2182 } 2183 2184 ar->target_version = target_info.version; 2185 ar->hw->wiphy->hw_version = target_info.version; 2186 2187 ret = ath10k_init_hw_params(ar); 2188 if (ret) { 2189 ath10k_err(ar, "could not get hw params (%d)\n", ret); 2190 goto err_power_down; 2191 } 2192 2193 ret = ath10k_core_fetch_firmware_files(ar); 2194 if (ret) { 2195 ath10k_err(ar, "could not fetch firmware files (%d)\n", ret); 2196 goto err_power_down; 2197 } 2198 2199 BUILD_BUG_ON(sizeof(ar->hw->wiphy->fw_version) != 2200 sizeof(ar->normal_mode_fw.fw_file.fw_version)); 2201 memcpy(ar->hw->wiphy->fw_version, ar->normal_mode_fw.fw_file.fw_version, 2202 sizeof(ar->hw->wiphy->fw_version)); 2203 2204 ath10k_debug_print_hwfw_info(ar); 2205 2206 ret = ath10k_core_pre_cal_download(ar); 2207 if (ret) { 2208 /* pre calibration data download is not necessary 2209 * for all the chipsets. Ignore failures and continue. 2210 */ 2211 ath10k_dbg(ar, ATH10K_DBG_BOOT, 2212 "could not load pre cal data: %d\n", ret); 2213 } 2214 2215 ret = ath10k_core_get_board_id_from_otp(ar); 2216 if (ret && ret != -EOPNOTSUPP) { 2217 ath10k_err(ar, "failed to get board id from otp: %d\n", 2218 ret); 2219 goto err_free_firmware_files; 2220 } 2221 2222 ret = ath10k_core_check_smbios(ar); 2223 if (ret) 2224 ath10k_dbg(ar, ATH10K_DBG_BOOT, "bdf variant name not set.\n"); 2225 2226 ret = ath10k_core_fetch_board_file(ar); 2227 if (ret) { 2228 ath10k_err(ar, "failed to fetch board file: %d\n", ret); 2229 goto err_free_firmware_files; 2230 } 2231 2232 ath10k_debug_print_board_info(ar); 2233 2234 ret = ath10k_core_init_firmware_features(ar); 2235 if (ret) { 2236 ath10k_err(ar, "fatal problem with firmware features: %d\n", 2237 ret); 2238 goto err_free_firmware_files; 2239 } 2240 2241 ret = ath10k_swap_code_seg_init(ar, &ar->normal_mode_fw.fw_file); 2242 if (ret) { 2243 ath10k_err(ar, "failed to initialize code swap segment: %d\n", 2244 ret); 2245 goto err_free_firmware_files; 2246 } 2247 2248 mutex_lock(&ar->conf_mutex); 2249 2250 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL, 2251 &ar->normal_mode_fw); 2252 if (ret) { 2253 ath10k_err(ar, "could not init core (%d)\n", ret); 2254 goto err_unlock; 2255 } 2256 2257 ath10k_debug_print_boot_info(ar); 2258 ath10k_core_stop(ar); 2259 2260 mutex_unlock(&ar->conf_mutex); 2261 2262 ath10k_hif_power_down(ar); 2263 return 0; 2264 2265 err_unlock: 2266 mutex_unlock(&ar->conf_mutex); 2267 2268 err_free_firmware_files: 2269 ath10k_core_free_firmware_files(ar); 2270 2271 err_power_down: 2272 ath10k_hif_power_down(ar); 2273 2274 return ret; 2275 } 2276 2277 static void ath10k_core_register_work(struct work_struct *work) 2278 { 2279 struct ath10k *ar = container_of(work, struct ath10k, register_work); 2280 int status; 2281 2282 /* peer stats are enabled by default */ 2283 set_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags); 2284 2285 status = ath10k_core_probe_fw(ar); 2286 if (status) { 2287 ath10k_err(ar, "could not probe fw (%d)\n", status); 2288 goto err; 2289 } 2290 2291 status = ath10k_mac_register(ar); 2292 if (status) { 2293 ath10k_err(ar, "could not register to mac80211 (%d)\n", status); 2294 goto err_release_fw; 2295 } 2296 2297 status = ath10k_debug_register(ar); 2298 if (status) { 2299 ath10k_err(ar, "unable to initialize debugfs\n"); 2300 goto err_unregister_mac; 2301 } 2302 2303 status = ath10k_spectral_create(ar); 2304 if (status) { 2305 ath10k_err(ar, "failed to initialize spectral\n"); 2306 goto err_debug_destroy; 2307 } 2308 2309 status = ath10k_thermal_register(ar); 2310 if (status) { 2311 ath10k_err(ar, "could not register thermal device: %d\n", 2312 status); 2313 goto err_spectral_destroy; 2314 } 2315 2316 set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags); 2317 return; 2318 2319 err_spectral_destroy: 2320 ath10k_spectral_destroy(ar); 2321 err_debug_destroy: 2322 ath10k_debug_destroy(ar); 2323 err_unregister_mac: 2324 ath10k_mac_unregister(ar); 2325 err_release_fw: 2326 ath10k_core_free_firmware_files(ar); 2327 err: 2328 /* TODO: It's probably a good idea to release device from the driver 2329 * but calling device_release_driver() here will cause a deadlock. 2330 */ 2331 return; 2332 } 2333 2334 int ath10k_core_register(struct ath10k *ar, u32 chip_id) 2335 { 2336 ar->chip_id = chip_id; 2337 queue_work(ar->workqueue, &ar->register_work); 2338 2339 return 0; 2340 } 2341 EXPORT_SYMBOL(ath10k_core_register); 2342 2343 void ath10k_core_unregister(struct ath10k *ar) 2344 { 2345 cancel_work_sync(&ar->register_work); 2346 2347 if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags)) 2348 return; 2349 2350 ath10k_thermal_unregister(ar); 2351 /* Stop spectral before unregistering from mac80211 to remove the 2352 * relayfs debugfs file cleanly. Otherwise the parent debugfs tree 2353 * would be already be free'd recursively, leading to a double free. 2354 */ 2355 ath10k_spectral_destroy(ar); 2356 2357 /* We must unregister from mac80211 before we stop HTC and HIF. 2358 * Otherwise we will fail to submit commands to FW and mac80211 will be 2359 * unhappy about callback failures. */ 2360 ath10k_mac_unregister(ar); 2361 2362 ath10k_testmode_destroy(ar); 2363 2364 ath10k_core_free_firmware_files(ar); 2365 ath10k_core_free_board_files(ar); 2366 2367 ath10k_debug_unregister(ar); 2368 } 2369 EXPORT_SYMBOL(ath10k_core_unregister); 2370 2371 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev, 2372 enum ath10k_bus bus, 2373 enum ath10k_hw_rev hw_rev, 2374 const struct ath10k_hif_ops *hif_ops) 2375 { 2376 struct ath10k *ar; 2377 int ret; 2378 2379 ar = ath10k_mac_create(priv_size); 2380 if (!ar) 2381 return NULL; 2382 2383 ar->ath_common.priv = ar; 2384 ar->ath_common.hw = ar->hw; 2385 ar->dev = dev; 2386 ar->hw_rev = hw_rev; 2387 ar->hif.ops = hif_ops; 2388 ar->hif.bus = bus; 2389 2390 switch (hw_rev) { 2391 case ATH10K_HW_QCA988X: 2392 case ATH10K_HW_QCA9887: 2393 ar->regs = &qca988x_regs; 2394 ar->hw_values = &qca988x_values; 2395 break; 2396 case ATH10K_HW_QCA6174: 2397 case ATH10K_HW_QCA9377: 2398 ar->regs = &qca6174_regs; 2399 ar->hw_values = &qca6174_values; 2400 break; 2401 case ATH10K_HW_QCA99X0: 2402 case ATH10K_HW_QCA9984: 2403 ar->regs = &qca99x0_regs; 2404 ar->hw_values = &qca99x0_values; 2405 break; 2406 case ATH10K_HW_QCA9888: 2407 ar->regs = &qca99x0_regs; 2408 ar->hw_values = &qca9888_values; 2409 break; 2410 case ATH10K_HW_QCA4019: 2411 ar->regs = &qca4019_regs; 2412 ar->hw_values = &qca4019_values; 2413 break; 2414 default: 2415 ath10k_err(ar, "unsupported core hardware revision %d\n", 2416 hw_rev); 2417 ret = -ENOTSUPP; 2418 goto err_free_mac; 2419 } 2420 2421 init_completion(&ar->scan.started); 2422 init_completion(&ar->scan.completed); 2423 init_completion(&ar->scan.on_channel); 2424 init_completion(&ar->target_suspend); 2425 init_completion(&ar->wow.wakeup_completed); 2426 2427 init_completion(&ar->install_key_done); 2428 init_completion(&ar->vdev_setup_done); 2429 init_completion(&ar->thermal.wmi_sync); 2430 init_completion(&ar->bss_survey_done); 2431 2432 INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work); 2433 2434 ar->workqueue = create_singlethread_workqueue("ath10k_wq"); 2435 if (!ar->workqueue) 2436 goto err_free_mac; 2437 2438 ar->workqueue_aux = create_singlethread_workqueue("ath10k_aux_wq"); 2439 if (!ar->workqueue_aux) 2440 goto err_free_wq; 2441 2442 mutex_init(&ar->conf_mutex); 2443 spin_lock_init(&ar->data_lock); 2444 spin_lock_init(&ar->txqs_lock); 2445 2446 INIT_LIST_HEAD(&ar->txqs); 2447 INIT_LIST_HEAD(&ar->peers); 2448 init_waitqueue_head(&ar->peer_mapping_wq); 2449 init_waitqueue_head(&ar->htt.empty_tx_wq); 2450 init_waitqueue_head(&ar->wmi.tx_credits_wq); 2451 2452 init_completion(&ar->offchan_tx_completed); 2453 INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work); 2454 skb_queue_head_init(&ar->offchan_tx_queue); 2455 2456 INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work); 2457 skb_queue_head_init(&ar->wmi_mgmt_tx_queue); 2458 2459 INIT_WORK(&ar->register_work, ath10k_core_register_work); 2460 INIT_WORK(&ar->restart_work, ath10k_core_restart); 2461 INIT_WORK(&ar->set_coverage_class_work, 2462 ath10k_core_set_coverage_class_work); 2463 2464 init_dummy_netdev(&ar->napi_dev); 2465 2466 ret = ath10k_debug_create(ar); 2467 if (ret) 2468 goto err_free_aux_wq; 2469 2470 return ar; 2471 2472 err_free_aux_wq: 2473 destroy_workqueue(ar->workqueue_aux); 2474 err_free_wq: 2475 destroy_workqueue(ar->workqueue); 2476 2477 err_free_mac: 2478 ath10k_mac_destroy(ar); 2479 2480 return NULL; 2481 } 2482 EXPORT_SYMBOL(ath10k_core_create); 2483 2484 void ath10k_core_destroy(struct ath10k *ar) 2485 { 2486 flush_workqueue(ar->workqueue); 2487 destroy_workqueue(ar->workqueue); 2488 2489 flush_workqueue(ar->workqueue_aux); 2490 destroy_workqueue(ar->workqueue_aux); 2491 2492 ath10k_debug_destroy(ar); 2493 ath10k_htt_tx_destroy(&ar->htt); 2494 ath10k_wmi_free_host_mem(ar); 2495 ath10k_mac_destroy(ar); 2496 } 2497 EXPORT_SYMBOL(ath10k_core_destroy); 2498 2499 MODULE_AUTHOR("Qualcomm Atheros"); 2500 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ac wireless LAN cards."); 2501 MODULE_LICENSE("Dual BSD/GPL"); 2502