1 /* 2 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /** 20 * DOC: init_cmd_api.c 21 * 22 * WMI Init command prepare & send APIs 23 */ 24 #include <qdf_status.h> 25 #include <qdf_types.h> 26 #include <wlan_objmgr_psoc_obj.h> 27 #include <wlan_objmgr_pdev_obj.h> 28 #include <target_if.h> 29 #include <service_ready_util.h> 30 #include <wlan_tgt_def_config.h> 31 #include <wlan_reg_ucfg_api.h> 32 #include <init_cmd_api.h> 33 #include <wlan_defs.h> 34 #include <target_if_scan.h> 35 #include <target_if_reg.h> 36 37 /** 38 * init_deinit_alloc_host_mem_chunk() - allocates chunk of memory requested 39 * by FW. 40 * @psoc: PSOC object 41 * @tgt_hdl: Target PSOC info 42 * @req_id: request id 43 * @idx: chunk id 44 * @num_units: Number of units 45 * @unit_len: Unit length 46 * @num_unit_info: Num unit info 47 * 48 * API to allocate host memory chunk requested by FW 49 * 50 * Return: num_units on successful allocation 51 * 0 on failure 52 */ 53 static uint32_t init_deinit_alloc_host_mem_chunk(struct wlan_objmgr_psoc *psoc, 54 struct target_psoc_info *tgt_hdl, 55 u_int32_t req_id, u_int32_t idx, u_int32_t num_units, 56 u_int32_t unit_len, u_int32_t num_unit_info) 57 { 58 qdf_dma_addr_t paddr; 59 uint32_t ichunk = 0; 60 struct tgt_info *info; 61 qdf_device_t qdf_dev; 62 63 info = (&tgt_hdl->info); 64 65 if (!num_units || !unit_len) 66 return 0; 67 68 qdf_dev = wlan_psoc_get_qdf_dev(psoc); 69 if (!qdf_dev) 70 return 0; 71 72 /* 73 * We have skip smaller chunks memory allocation for TXBF_CV buffer 74 * as Firmware is expecting continuous memory 75 */ 76 if (!((num_unit_info & HOST_CONTIGUOUS_MEM_CHUNK_REQUIRED) && 77 (req_id == TXBF_CV_POOL0 || req_id == TXBF_CV_POOL1 || 78 req_id == TXBF_CV_POOL2))) { 79 ichunk = ((num_units * unit_len) >> 80 HOST_MEM_CHUNK_MAX_SIZE_POWER2); 81 if (ichunk) 82 num_units = num_units / (ichunk + 1); 83 } 84 85 info->mem_chunks[idx].vaddr = NULL; 86 /* reduce the requested allocation by half until allocation succeeds */ 87 while (!info->mem_chunks[idx].vaddr && num_units) { 88 info->mem_chunks[idx].vaddr = qdf_mem_alloc_consistent(qdf_dev, 89 qdf_dev->dev, num_units * unit_len, &paddr); 90 if (!info->mem_chunks[idx].vaddr) { 91 if (num_unit_info & 92 HOST_CONTIGUOUS_MEM_CHUNK_REQUIRED) { 93 num_units = 0; 94 target_if_err("mem chink alloc failed for %d", 95 idx); 96 break; 97 } 98 /* reduce length by half */ 99 num_units = (num_units >> 1); 100 } else { 101 info->mem_chunks[idx].paddr = paddr; 102 info->mem_chunks[idx].len = num_units*unit_len; 103 info->mem_chunks[idx].req_id = req_id; 104 } 105 } 106 target_if_debug("req_id %d idx %d num_units %d unit_len %d", 107 req_id, idx, num_units, unit_len); 108 109 return num_units; 110 } 111 112 /* Host mem size units, it is used for round-off */ 113 #define HOST_MEM_SIZE_UNIT 4 114 115 /** 116 * init_deinit_alloc_host_mem() - allocates amount of memory requested by FW. 117 * @psoc: PSOC object 118 * @tgt_hdl: Target PSOC info 119 * @req_id: request id 120 * @num_units: Number of units 121 * @unit_len: Unit length 122 * @num_unit_info: Num unit info 123 * 124 * API to allocate host memory requested by FW 125 * 126 * Return: QDF_STATUS_SUCCESS on successful allocation 127 * QDF_STATUS_E_FAILURE on failure 128 */ 129 static QDF_STATUS init_deinit_alloc_host_mem(struct wlan_objmgr_psoc *psoc, 130 struct target_psoc_info *tgt_hdl, u_int32_t req_id, 131 u_int32_t num_units, u_int32_t unit_len, 132 u_int32_t num_unit_info) 133 { 134 struct tgt_info *info; 135 uint32_t remaining_units; 136 uint32_t allocated_units = 0; 137 uint32_t idx; 138 139 info = (&tgt_hdl->info); 140 /* adjust the length to nearest multiple of unit size */ 141 unit_len = (unit_len + (HOST_MEM_SIZE_UNIT - 1)) & 142 (~(HOST_MEM_SIZE_UNIT - 1)); 143 idx = info->num_mem_chunks; 144 remaining_units = num_units; 145 146 while (remaining_units) { 147 if (idx == MAX_MEM_CHUNKS) { 148 target_if_err( 149 "REACHED MAX CHUNK LIMIT for mem units %d", 150 num_units); 151 target_if_err( 152 "unit len %d requested by FW, only allocated %d", 153 unit_len, (num_units - remaining_units)); 154 info->num_mem_chunks = idx; 155 return QDF_STATUS_E_FAILURE; 156 } 157 158 if ((tgt_hdl->tif_ops) && 159 (tgt_hdl->tif_ops->mem_mgr_alloc_chunk)) 160 allocated_units = tgt_hdl->tif_ops->mem_mgr_alloc_chunk( 161 psoc, tgt_hdl, req_id, idx, 162 remaining_units, 163 unit_len, num_unit_info); 164 else 165 allocated_units = init_deinit_alloc_host_mem_chunk( 166 psoc, tgt_hdl, req_id, idx, 167 remaining_units, 168 unit_len, num_unit_info); 169 if (allocated_units == 0) { 170 target_if_err("FAILED TO ALLOC mem unit len %d", 171 unit_len); 172 target_if_err("units requested %d units allocated %d", 173 num_units, (num_units - remaining_units)); 174 info->num_mem_chunks = idx; 175 return QDF_STATUS_E_NOMEM; 176 } 177 remaining_units -= allocated_units; 178 ++idx; 179 } 180 info->num_mem_chunks = idx; 181 182 return QDF_STATUS_SUCCESS; 183 } 184 185 /** 186 * init_deinit_alloc_num_units() - allocates num units requested by FW. 187 * @psoc: PSOC object 188 * @tgt_hdl: Target PSOC info 189 * @mem_reqs: pointer to mem req 190 * @num_units: Number 191 * @i: FW priority 192 * @idx: Index 193 * 194 * API to allocate num units of host memory requested by FW 195 * 196 * Return: QDF_STATUS_SUCCESS on successful allocation 197 * QDF_STATUS_E_FAILURE on failure 198 */ 199 static QDF_STATUS init_deinit_alloc_num_units(struct wlan_objmgr_psoc *psoc, 200 struct target_psoc_info *tgt_hdl, 201 host_mem_req *mem_reqs, uint16_t fw_prio, 202 uint16_t idx) 203 { 204 struct tgt_info *info; 205 uint32_t num_units; 206 QDF_STATUS status; 207 208 if (!tgt_hdl || !mem_reqs) { 209 target_if_err("Invalid parameters, tgt_hdl: %pK, mem_reqs: %pK", 210 tgt_hdl, mem_reqs); 211 return QDF_STATUS_E_INVAL; 212 } 213 214 info = (&tgt_hdl->info); 215 216 if (((fw_prio == FW_MEM_HIGH_PRIORITY) && 217 (mem_reqs[idx].num_unit_info & 218 HOST_CONTIGUOUS_MEM_CHUNK_REQUIRED)) || 219 ((fw_prio == FW_MEM_LOW_PRIORITY) && 220 (!(mem_reqs[idx].num_unit_info & 221 HOST_CONTIGUOUS_MEM_CHUNK_REQUIRED)))) { 222 /* First allocate the memory that requires contiguous memory */ 223 num_units = mem_reqs[idx].num_units; 224 if (mem_reqs[idx].num_unit_info) { 225 if (mem_reqs[idx].num_unit_info & 226 NUM_UNITS_IS_NUM_PEERS) { 227 /* 228 * number of units allocated is equal to number 229 * of peers, 1 extra for self peer on target. 230 * this needs to be fixed, host and target can 231 * get out of sync 232 */ 233 num_units = info->wlan_res_cfg.num_peers + 1; 234 } 235 if (mem_reqs[idx].num_unit_info & 236 NUM_UNITS_IS_NUM_ACTIVE_PEERS) { 237 /* 238 * Requesting allocation of memory using 239 * num_active_peers in qcache. if qcache is 240 * disabled in host, then it should allocate 241 * memory for num_peers instead of 242 * num_active_peers. 243 */ 244 if (info->wlan_res_cfg.num_active_peers) 245 num_units = 246 info->wlan_res_cfg.num_active_peers + 1; 247 else 248 num_units = 249 info->wlan_res_cfg.num_peers + 1; 250 } 251 } 252 253 target_if_debug("idx %d req %d num_units %d num_unit_info %d unit size %d actual units %d", 254 idx, mem_reqs[idx].req_id, 255 mem_reqs[idx].num_units, 256 mem_reqs[idx].num_unit_info, 257 mem_reqs[idx].unit_size, num_units); 258 259 status = init_deinit_alloc_host_mem(psoc, tgt_hdl, 260 mem_reqs[idx].req_id, num_units, 261 mem_reqs[idx].unit_size, 262 mem_reqs[idx].num_unit_info); 263 if (status == QDF_STATUS_E_FAILURE) { 264 target_if_err( 265 "psoc:(%pK) num_mem_chunk exceeds supp number", 266 psoc); 267 return QDF_STATUS_E_FAILURE; 268 } else if (status == QDF_STATUS_E_NOMEM) { 269 target_if_err("soc:(%pK) mem alloc failure", psoc); 270 return QDF_STATUS_E_NOMEM; 271 } 272 } 273 274 return QDF_STATUS_SUCCESS; 275 } 276 277 QDF_STATUS init_deinit_free_num_units(struct wlan_objmgr_psoc *psoc, 278 struct target_psoc_info *tgt_hdl) 279 { 280 struct tgt_info *info; 281 qdf_device_t qdf_dev; 282 uint32_t idx; 283 QDF_STATUS status; 284 285 if (!tgt_hdl) { 286 target_if_err("target_psoc_info is null"); 287 return QDF_STATUS_E_INVAL; 288 } 289 290 if ((tgt_hdl->tif_ops) && 291 (tgt_hdl->tif_ops->mem_mgr_free_chunks)) { 292 status = tgt_hdl->tif_ops->mem_mgr_free_chunks(psoc, tgt_hdl); 293 } else { 294 qdf_dev = wlan_psoc_get_qdf_dev(psoc); 295 if (!qdf_dev) { 296 target_if_err("qdf_dev is null"); 297 QDF_BUG(0); 298 return QDF_STATUS_E_INVAL; 299 } 300 info = (&tgt_hdl->info); 301 for (idx = 0; idx < info->num_mem_chunks; idx++) { 302 qdf_mem_free_consistent( 303 qdf_dev, qdf_dev->dev, 304 info->mem_chunks[idx].len, 305 info->mem_chunks[idx].vaddr, 306 info->mem_chunks[idx].paddr, 307 qdf_get_dma_mem_context( 308 (&(info->mem_chunks[idx])), memctx)); 309 310 info->mem_chunks[idx].vaddr = NULL; 311 info->mem_chunks[idx].paddr = 0; 312 info->mem_chunks[idx].len = 0; 313 } 314 info->num_mem_chunks = 0; 315 status = QDF_STATUS_SUCCESS; 316 } 317 318 return status; 319 } 320 321 QDF_STATUS init_deinit_handle_host_mem_req( 322 struct wlan_objmgr_psoc *psoc, 323 struct target_psoc_info *tgt_hdl, uint8_t *event) 324 { 325 uint8_t num_mem_reqs; 326 host_mem_req *mem_reqs; 327 uint32_t i; 328 uint32_t idx; 329 QDF_STATUS status = QDF_STATUS_SUCCESS; 330 struct wmi_unified *wmi_handle; 331 struct tgt_info *info; 332 333 if (!tgt_hdl) { 334 target_if_err("target_psoc_info is null"); 335 return QDF_STATUS_E_INVAL; 336 } 337 338 wmi_handle = target_psoc_get_wmi_hdl(tgt_hdl); 339 info = (&tgt_hdl->info); 340 341 mem_reqs = wmi_extract_host_mem_req_from_service_ready( 342 wmi_handle, event, &num_mem_reqs); 343 if (!num_mem_reqs) 344 return QDF_STATUS_SUCCESS; 345 346 if (num_mem_reqs > MAX_MEM_CHUNKS) { 347 target_if_err_rl("num_mem_reqs:%u is out of bounds", 348 num_mem_reqs); 349 return QDF_STATUS_E_FAILURE; 350 } 351 352 for (i = 0; i < FW_PRIORITY_MAX; i++) { 353 for (idx = 0; idx < num_mem_reqs; idx++) { 354 status = init_deinit_alloc_num_units(psoc, tgt_hdl, 355 mem_reqs, i, idx); 356 if (status != QDF_STATUS_SUCCESS) 357 return status; 358 } 359 } 360 361 return status; 362 } 363 364 void init_deinit_derive_band_to_mac_param( 365 struct wlan_objmgr_psoc *psoc, 366 struct target_psoc_info *tgt_hdl, 367 struct wmi_host_pdev_band_to_mac *band_to_mac) 368 { 369 uint8_t i; 370 struct wlan_psoc_host_mac_phy_caps *mac_phy_cap; 371 struct wlan_psoc_host_hal_reg_capabilities_ext *reg_cap; 372 struct tgt_info *info; 373 374 if (!tgt_hdl) { 375 target_if_err("target_psoc_info is null "); 376 return; 377 } 378 379 info = (&tgt_hdl->info); 380 381 reg_cap = ucfg_reg_get_hal_reg_cap(psoc); 382 if (!reg_cap) { 383 target_if_err("reg cap is NULL"); 384 return; 385 } 386 387 mac_phy_cap = target_psoc_get_mac_phy_cap(tgt_hdl); 388 if (!mac_phy_cap) { 389 target_if_err("mac_phy_cap is NULL"); 390 return; 391 } 392 for (i = 0; i < target_psoc_get_num_radios(tgt_hdl); i++) { 393 if (mac_phy_cap->supported_bands == 394 (WMI_HOST_WLAN_5G_CAPABILITY | 395 WMI_HOST_WLAN_2G_CAPABILITY)) { 396 /*Supports both 5G and 2G. Use freq from both radios*/ 397 target_if_debug("Supports both 2G and 5G"); 398 band_to_mac[i].pdev_id = mac_phy_cap->pdev_id; 399 band_to_mac[i].start_freq = 400 reg_cap[i].low_2ghz_chan; 401 band_to_mac[i].end_freq = 402 reg_cap[i].high_5ghz_chan; 403 404 } else if (mac_phy_cap->supported_bands == 405 WMI_HOST_WLAN_2G_CAPABILITY) { 406 band_to_mac[i].pdev_id = mac_phy_cap->pdev_id; 407 band_to_mac[i].start_freq = 408 reg_cap[i].low_2ghz_chan; 409 band_to_mac[i].end_freq = 410 reg_cap[i].high_2ghz_chan; 411 412 reg_cap[mac_phy_cap->phy_id].low_5ghz_chan = 0; 413 reg_cap[mac_phy_cap->phy_id].high_5ghz_chan = 0; 414 415 target_if_debug("2G radio - pdev_id = %d start_freq = %d end_freq= %d", 416 band_to_mac[i].pdev_id, 417 band_to_mac[i].start_freq, 418 band_to_mac[i].end_freq); 419 420 } else if (mac_phy_cap->supported_bands == 421 WMI_HOST_WLAN_5G_CAPABILITY) { 422 band_to_mac[i].pdev_id = mac_phy_cap->pdev_id; 423 band_to_mac[i].start_freq = 424 reg_cap[i].low_5ghz_chan; 425 band_to_mac[i].end_freq = 426 reg_cap[i].high_5ghz_chan; 427 428 reg_cap[mac_phy_cap->phy_id].low_2ghz_chan = 0; 429 reg_cap[mac_phy_cap->phy_id].high_2ghz_chan = 0; 430 431 target_if_debug("5G radio -pdev_id = %d start_freq = %d end_freq =%d\n", 432 band_to_mac[i].pdev_id, 433 band_to_mac[i].start_freq, 434 band_to_mac[i].end_freq); 435 } 436 mac_phy_cap++; 437 } 438 } 439 440 void init_deinit_prepare_send_init_cmd( 441 struct wlan_objmgr_psoc *psoc, 442 struct target_psoc_info *tgt_hdl) 443 { 444 struct wmi_init_cmd_param init_param = {0}; 445 struct tgt_info *info; 446 struct wmi_unified *wmi_handle; 447 QDF_STATUS ret_val; 448 449 if (!tgt_hdl) { 450 target_if_err("target_psoc_info is null"); 451 return; 452 } 453 454 wmi_handle = target_psoc_get_wmi_hdl(tgt_hdl); 455 info = (&tgt_hdl->info); 456 457 init_param.res_cfg = &info->wlan_res_cfg; 458 init_param.num_mem_chunks = info->num_mem_chunks; 459 init_param.mem_chunks = info->mem_chunks; 460 461 if (init_deinit_is_service_ext_msg(psoc, tgt_hdl) == 462 QDF_STATUS_SUCCESS) { 463 init_param.hw_mode_id = info->preferred_hw_mode; 464 /* Temp change, until FW submits support for handling this TLV 465 * For single mode, skip sending hw_mode 466 */ 467 if (info->preferred_hw_mode == WMI_HOST_HW_MODE_SINGLE) 468 init_param.hw_mode_id = WMI_HOST_HW_MODE_MAX; 469 470 init_param.num_band_to_mac = target_psoc_get_num_radios( 471 tgt_hdl); 472 473 init_deinit_derive_band_to_mac_param(psoc, tgt_hdl, 474 init_param.band_to_mac); 475 } else { 476 ret_val = tgt_if_regulatory_modify_freq_range(psoc); 477 if (QDF_IS_STATUS_ERROR(ret_val)) { 478 target_if_err("Modify freq range is failed"); 479 return; 480 } 481 } 482 483 ret_val = target_if_alloc_pdevs(psoc, tgt_hdl); 484 if (ret_val != QDF_STATUS_SUCCESS) 485 return; 486 487 ret_val = target_if_update_pdev_tgt_info(psoc, tgt_hdl); 488 if (ret_val != QDF_STATUS_SUCCESS) 489 return; 490 491 target_if_debug("FW version 0x%x ", info->target_caps.fw_version); 492 if (init_deinit_is_service_ext_msg(psoc, tgt_hdl) == QDF_STATUS_SUCCESS) 493 target_if_debug("0x%x\n", 494 info->service_ext_param.fw_build_vers_ext); 495 else 496 target_if_debug("0x%x\n", info->target_caps.fw_version_1); 497 498 wmi_unified_init_cmd_send(wmi_handle, &init_param); 499 500 /* Set Max scans allowed */ 501 target_if_scan_set_max_active_scans(psoc, 502 WLAN_MAX_ACTIVE_SCANS_ALLOWED); 503 504 if (wmi_service_enabled(wmi_handle, wmi_service_hw_db2dbm_support)) 505 wlan_psoc_nif_fw_ext_cap_set(psoc, WLAN_SOC_CEXT_HW_DB2DBM); 506 } 507