drivers/net/wireless/ath/ath10k/core.c

   1 /*
   2  * Copyright (c) 2005-2011 Atheros Communications Inc.
   3  * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
   4  * Copyright (c) 2018, The Linux Foundation. All rights reserved.
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #include <linux/module.h>
  20 #include <linux/firmware.h>
  21 #include <linux/of.h>
  22 #include <linux/property.h>
  23 #include <linux/dmi.h>
  24 #include <linux/ctype.h>
  25 #include <asm/byteorder.h>
  26
  27 #include "core.h"
  28 #include "mac.h"
  29 #include "htc.h"
  30 #include "hif.h"
  31 #include "wmi.h"
  32 #include "bmi.h"
  33 #include "debug.h"
  34 #include "htt.h"
  35 #include "testmode.h"
  36 #include "wmi-ops.h"
  37 #include "coredump.h"
  38
  39 unsigned int ath10k_debug_mask;
  40 static unsigned int ath10k_cryptmode_param;
  41 static bool uart_print;
  42 static bool skip_otp;
  43 static bool rawmode;
  44
  45 unsigned long ath10k_coredump_mask = BIT(ATH10K_FW_CRASH_DUMP_REGISTERS) |
  46                                      BIT(ATH10K_FW_CRASH_DUMP_CE_DATA);
  47
  48 /* FIXME: most of these should be readonly */
  49 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
  50 module_param_named(cryptmode, ath10k_cryptmode_param, uint, 0644);
  51 module_param(uart_print, bool, 0644);
  52 module_param(skip_otp, bool, 0644);
  53 module_param(rawmode, bool, 0644);
  54 module_param_named(coredump_mask, ath10k_coredump_mask, ulong, 0444);
  55
  56 MODULE_PARM_DESC(debug_mask, "Debugging mask");
  57 MODULE_PARM_DESC(uart_print, "Uart target debugging");
  58 MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
  59 MODULE_PARM_DESC(cryptmode, "Crypto mode: 0-hardware, 1-software");
  60 MODULE_PARM_DESC(rawmode, "Use raw 802.11 frame datapath");
  61 MODULE_PARM_DESC(coredump_mask, "Bitfield of what to include in firmware crash file");
  62
  63 static const struct ath10k_hw_params ath10k_hw_params_list[] = {
  64         {
  65                 .id = QCA988X_HW_2_0_VERSION,
  66                 .dev_id = QCA988X_2_0_DEVICE_ID,
  67                 .bus = ATH10K_BUS_PCI,
  68                 .name = "qca988x hw2.0",
  69                 .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
  70                 .uart_pin = 7,
  71                 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
  72                 .otp_exe_param = 0,
  73                 .channel_counters_freq_hz = 88000,
  74                 .max_probe_resp_desc_thres = 0,
  75                 .cal_data_len = 2116,
  76                 .fw = {
  77                         .dir = QCA988X_HW_2_0_FW_DIR,
  78                         .board = QCA988X_HW_2_0_BOARD_DATA_FILE,
  79                         .board_size = QCA988X_BOARD_DATA_SZ,
  80                         .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
  81                 },
  82                 .hw_ops = &qca988x_ops,
  83                 .decap_align_bytes = 4,
  84                 .spectral_bin_discard = 0,
  85                 .spectral_bin_offset = 0,
  86                 .vht160_mcs_rx_highest = 0,
  87                 .vht160_mcs_tx_highest = 0,
  88                 .n_cipher_suites = 8,
  89                 .ast_skid_limit = 0x10,
  90                 .num_wds_entries = 0x20,
  91                 .target_64bit = false,
  92                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
  93                 .shadow_reg_support = false,
  94                 .rri_on_ddr = false,
  95                 .hw_filter_reset_required = true,
  96                 .fw_diag_ce_download = false,
  97         },
  98         {
  99                 .id = QCA988X_HW_2_0_VERSION,
 100                 .dev_id = QCA988X_2_0_DEVICE_ID_UBNT,
 101                 .name = "qca988x hw2.0 ubiquiti",
 102                 .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
 103                 .uart_pin = 7,
 104                 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
 105                 .otp_exe_param = 0,
 106                 .channel_counters_freq_hz = 88000,
 107                 .max_probe_resp_desc_thres = 0,
 108                 .cal_data_len = 2116,
 109                 .fw = {
 110                         .dir = QCA988X_HW_2_0_FW_DIR,
 111                         .board = QCA988X_HW_2_0_BOARD_DATA_FILE,
 112                         .board_size = QCA988X_BOARD_DATA_SZ,
 113                         .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
 114                 },
 115                 .hw_ops = &qca988x_ops,
 116                 .decap_align_bytes = 4,
 117                 .spectral_bin_discard = 0,
 118                 .spectral_bin_offset = 0,
 119                 .vht160_mcs_rx_highest = 0,
 120                 .vht160_mcs_tx_highest = 0,
 121                 .n_cipher_suites = 8,
 122                 .ast_skid_limit = 0x10,
 123                 .num_wds_entries = 0x20,
 124                 .target_64bit = false,
 125                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
 126                 .per_ce_irq = false,
 127                 .shadow_reg_support = false,
 128                 .rri_on_ddr = false,
 129                 .hw_filter_reset_required = true,
 130                 .fw_diag_ce_download = false,
 131         },
 132         {
 133                 .id = QCA9887_HW_1_0_VERSION,
 134                 .dev_id = QCA9887_1_0_DEVICE_ID,
 135                 .bus = ATH10K_BUS_PCI,
 136                 .name = "qca9887 hw1.0",
 137                 .patch_load_addr = QCA9887_HW_1_0_PATCH_LOAD_ADDR,
 138                 .uart_pin = 7,
 139                 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
 140                 .otp_exe_param = 0,
 141                 .channel_counters_freq_hz = 88000,
 142                 .max_probe_resp_desc_thres = 0,
 143                 .cal_data_len = 2116,
 144                 .fw = {
 145                         .dir = QCA9887_HW_1_0_FW_DIR,
 146                         .board = QCA9887_HW_1_0_BOARD_DATA_FILE,
 147                         .board_size = QCA9887_BOARD_DATA_SZ,
 148                         .board_ext_size = QCA9887_BOARD_EXT_DATA_SZ,
 149                 },
 150                 .hw_ops = &qca988x_ops,
 151                 .decap_align_bytes = 4,
 152                 .spectral_bin_discard = 0,
 153                 .spectral_bin_offset = 0,
 154                 .vht160_mcs_rx_highest = 0,
 155                 .vht160_mcs_tx_highest = 0,
 156                 .n_cipher_suites = 8,
 157                 .ast_skid_limit = 0x10,
 158                 .num_wds_entries = 0x20,
 159                 .target_64bit = false,
 160                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
 161                 .per_ce_irq = false,
 162                 .shadow_reg_support = false,
 163                 .rri_on_ddr = false,
 164                 .hw_filter_reset_required = true,
 165                 .fw_diag_ce_download = false,
 166         },
 167         {
 168                 .id = QCA6174_HW_2_1_VERSION,
 169                 .dev_id = QCA6164_2_1_DEVICE_ID,
 170                 .bus = ATH10K_BUS_PCI,
 171                 .name = "qca6164 hw2.1",
 172                 .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
 173                 .uart_pin = 6,
 174                 .otp_exe_param = 0,
 175                 .channel_counters_freq_hz = 88000,
 176                 .max_probe_resp_desc_thres = 0,
 177                 .cal_data_len = 8124,
 178                 .fw = {
 179                         .dir = QCA6174_HW_2_1_FW_DIR,
 180                         .board = QCA6174_HW_2_1_BOARD_DATA_FILE,
 181                         .board_size = QCA6174_BOARD_DATA_SZ,
 182                         .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
 183                 },
 184                 .hw_ops = &qca988x_ops,
 185                 .decap_align_bytes = 4,
 186                 .spectral_bin_discard = 0,
 187                 .spectral_bin_offset = 0,
 188                 .vht160_mcs_rx_highest = 0,
 189                 .vht160_mcs_tx_highest = 0,
 190                 .n_cipher_suites = 8,
 191                 .ast_skid_limit = 0x10,
 192                 .num_wds_entries = 0x20,
 193                 .target_64bit = false,
 194                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
 195                 .per_ce_irq = false,
 196                 .shadow_reg_support = false,
 197                 .rri_on_ddr = false,
 198                 .hw_filter_reset_required = true,
 199                 .fw_diag_ce_download = false,
 200         },
 201         {
 202                 .id = QCA6174_HW_2_1_VERSION,
 203                 .dev_id = QCA6174_2_1_DEVICE_ID,
 204                 .bus = ATH10K_BUS_PCI,
 205                 .name = "qca6174 hw2.1",
 206                 .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
 207                 .uart_pin = 6,
 208                 .otp_exe_param = 0,
 209                 .channel_counters_freq_hz = 88000,
 210                 .max_probe_resp_desc_thres = 0,
 211                 .cal_data_len = 8124,
 212                 .fw = {
 213                         .dir = QCA6174_HW_2_1_FW_DIR,
 214                         .board = QCA6174_HW_2_1_BOARD_DATA_FILE,
 215                         .board_size = QCA6174_BOARD_DATA_SZ,
 216                         .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
 217                 },
 218                 .hw_ops = &qca988x_ops,
 219                 .decap_align_bytes = 4,
 220                 .spectral_bin_discard = 0,
 221                 .spectral_bin_offset = 0,
 222                 .vht160_mcs_rx_highest = 0,
 223                 .vht160_mcs_tx_highest = 0,
 224                 .n_cipher_suites = 8,
 225                 .ast_skid_limit = 0x10,
 226                 .num_wds_entries = 0x20,
 227                 .target_64bit = false,
 228                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
 229                 .per_ce_irq = false,
 230                 .shadow_reg_support = false,
 231                 .rri_on_ddr = false,
 232                 .hw_filter_reset_required = true,
 233                 .fw_diag_ce_download = false,
 234         },
 235         {
 236                 .id = QCA6174_HW_3_0_VERSION,
 237                 .dev_id = QCA6174_2_1_DEVICE_ID,
 238                 .bus = ATH10K_BUS_PCI,
 239                 .name = "qca6174 hw3.0",
 240                 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
 241                 .uart_pin = 6,
 242                 .otp_exe_param = 0,
 243                 .channel_counters_freq_hz = 88000,
 244                 .max_probe_resp_desc_thres = 0,
 245                 .cal_data_len = 8124,
 246                 .fw = {
 247                         .dir = QCA6174_HW_3_0_FW_DIR,
 248                         .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
 249                         .board_size = QCA6174_BOARD_DATA_SZ,
 250                         .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
 251                 },
 252                 .hw_ops = &qca988x_ops,
 253                 .decap_align_bytes = 4,
 254                 .spectral_bin_discard = 0,
 255                 .spectral_bin_offset = 0,
 256                 .vht160_mcs_rx_highest = 0,
 257                 .vht160_mcs_tx_highest = 0,
 258                 .n_cipher_suites = 8,
 259                 .ast_skid_limit = 0x10,
 260                 .num_wds_entries = 0x20,
 261                 .target_64bit = false,
 262                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
 263                 .per_ce_irq = false,
 264                 .shadow_reg_support = false,
 265                 .rri_on_ddr = false,
 266                 .hw_filter_reset_required = true,
 267                 .fw_diag_ce_download = false,
 268         },
 269         {
 270                 .id = QCA6174_HW_3_2_VERSION,
 271                 .dev_id = QCA6174_2_1_DEVICE_ID,
 272                 .bus = ATH10K_BUS_PCI,
 273                 .name = "qca6174 hw3.2",
 274                 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
 275                 .uart_pin = 6,
 276                 .otp_exe_param = 0,
 277                 .channel_counters_freq_hz = 88000,
 278                 .max_probe_resp_desc_thres = 0,
 279                 .cal_data_len = 8124,
 280                 .fw = {
 281                         /* uses same binaries as hw3.0 */
 282                         .dir = QCA6174_HW_3_0_FW_DIR,
 283                         .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
 284                         .board_size = QCA6174_BOARD_DATA_SZ,
 285                         .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
 286                 },
 287                 .hw_ops = &qca6174_ops,
 288                 .hw_clk = qca6174_clk,
 289                 .target_cpu_freq = 176000000,
 290                 .decap_align_bytes = 4,
 291                 .spectral_bin_discard = 0,
 292                 .spectral_bin_offset = 0,
 293                 .vht160_mcs_rx_highest = 0,
 294                 .vht160_mcs_tx_highest = 0,
 295                 .n_cipher_suites = 8,
 296                 .ast_skid_limit = 0x10,
 297                 .num_wds_entries = 0x20,
 298                 .target_64bit = false,
 299                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
 300                 .per_ce_irq = false,
 301                 .shadow_reg_support = false,
 302                 .rri_on_ddr = false,
 303                 .hw_filter_reset_required = true,
 304                 .fw_diag_ce_download = true,
 305         },
 306         {
 307                 .id = QCA99X0_HW_2_0_DEV_VERSION,
 308                 .dev_id = QCA99X0_2_0_DEVICE_ID,
 309                 .bus = ATH10K_BUS_PCI,
 310                 .name = "qca99x0 hw2.0",
 311                 .patch_load_addr = QCA99X0_HW_2_0_PATCH_LOAD_ADDR,
 312                 .uart_pin = 7,
 313                 .otp_exe_param = 0x00000700,
 314                 .continuous_frag_desc = true,
 315                 .cck_rate_map_rev2 = true,
 316                 .channel_counters_freq_hz = 150000,
 317                 .max_probe_resp_desc_thres = 24,
 318                 .tx_chain_mask = 0xf,
 319                 .rx_chain_mask = 0xf,
 320                 .max_spatial_stream = 4,
 321                 .cal_data_len = 12064,
 322                 .fw = {
 323                         .dir = QCA99X0_HW_2_0_FW_DIR,
 324                         .board = QCA99X0_HW_2_0_BOARD_DATA_FILE,
 325                         .board_size = QCA99X0_BOARD_DATA_SZ,
 326                         .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
 327                 },
 328                 .sw_decrypt_mcast_mgmt = true,
 329                 .hw_ops = &qca99x0_ops,
 330                 .decap_align_bytes = 1,
 331                 .spectral_bin_discard = 4,
 332                 .spectral_bin_offset = 0,
 333                 .vht160_mcs_rx_highest = 0,
 334                 .vht160_mcs_tx_highest = 0,
 335                 .n_cipher_suites = 11,
 336                 .ast_skid_limit = 0x10,
 337                 .num_wds_entries = 0x20,
 338                 .target_64bit = false,
 339                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
 340                 .per_ce_irq = false,
 341                 .shadow_reg_support = false,
 342                 .rri_on_ddr = false,
 343                 .hw_filter_reset_required = true,
 344                 .fw_diag_ce_download = false,
 345         },
 346         {
 347                 .id = QCA9984_HW_1_0_DEV_VERSION,
 348                 .dev_id = QCA9984_1_0_DEVICE_ID,
 349                 .bus = ATH10K_BUS_PCI,
 350                 .name = "qca9984/qca9994 hw1.0",
 351                 .patch_load_addr = QCA9984_HW_1_0_PATCH_LOAD_ADDR,
 352                 .uart_pin = 7,
 353                 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
 354                 .otp_exe_param = 0x00000700,
 355                 .continuous_frag_desc = true,
 356                 .cck_rate_map_rev2 = true,
 357                 .channel_counters_freq_hz = 150000,
 358                 .max_probe_resp_desc_thres = 24,
 359                 .tx_chain_mask = 0xf,
 360                 .rx_chain_mask = 0xf,
 361                 .max_spatial_stream = 4,
 362                 .cal_data_len = 12064,
 363                 .fw = {
 364                         .dir = QCA9984_HW_1_0_FW_DIR,
 365                         .board = QCA9984_HW_1_0_BOARD_DATA_FILE,
 366                         .eboard = QCA9984_HW_1_0_EBOARD_DATA_FILE,
 367                         .board_size = QCA99X0_BOARD_DATA_SZ,
 368                         .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
 369                         .ext_board_size = QCA99X0_EXT_BOARD_DATA_SZ,
 370                 },
 371                 .sw_decrypt_mcast_mgmt = true,
 372                 .hw_ops = &qca99x0_ops,
 373                 .decap_align_bytes = 1,
 374                 .spectral_bin_discard = 12,
 375                 .spectral_bin_offset = 8,
 376
 377                 /* Can do only 2x2 VHT160 or 80+80. 1560Mbps is 4x4 80Mhz
 378                  * or 2x2 160Mhz, long-guard-interval.
 379                  */
 380                 .vht160_mcs_rx_highest = 1560,
 381                 .vht160_mcs_tx_highest = 1560,
 382                 .n_cipher_suites = 11,
 383                 .ast_skid_limit = 0x10,
 384                 .num_wds_entries = 0x20,
 385                 .target_64bit = false,
 386                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
 387                 .per_ce_irq = false,
 388                 .shadow_reg_support = false,
 389                 .rri_on_ddr = false,
 390                 .hw_filter_reset_required = true,
 391                 .fw_diag_ce_download = false,
 392         },
 393         {
 394                 .id = QCA9888_HW_2_0_DEV_VERSION,
 395                 .dev_id = QCA9888_2_0_DEVICE_ID,
 396                 .bus = ATH10K_BUS_PCI,
 397                 .name = "qca9888 hw2.0",
 398                 .patch_load_addr = QCA9888_HW_2_0_PATCH_LOAD_ADDR,
 399                 .uart_pin = 7,
 400                 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
 401                 .otp_exe_param = 0x00000700,
 402                 .continuous_frag_desc = true,
 403                 .channel_counters_freq_hz = 150000,
 404                 .max_probe_resp_desc_thres = 24,
 405                 .tx_chain_mask = 3,
 406                 .rx_chain_mask = 3,
 407                 .max_spatial_stream = 2,
 408                 .cal_data_len = 12064,
 409                 .fw = {
 410                         .dir = QCA9888_HW_2_0_FW_DIR,
 411                         .board = QCA9888_HW_2_0_BOARD_DATA_FILE,
 412                         .board_size = QCA99X0_BOARD_DATA_SZ,
 413                         .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
 414                 },
 415                 .sw_decrypt_mcast_mgmt = true,
 416                 .hw_ops = &qca99x0_ops,
 417                 .decap_align_bytes = 1,
 418                 .spectral_bin_discard = 12,
 419                 .spectral_bin_offset = 8,
 420
 421                 /* Can do only 1x1 VHT160 or 80+80. 780Mbps is 2x2 80Mhz or
 422                  * 1x1 160Mhz, long-guard-interval.
 423                  */
 424                 .vht160_mcs_rx_highest = 780,
 425                 .vht160_mcs_tx_highest = 780,
 426                 .n_cipher_suites = 11,
 427                 .ast_skid_limit = 0x10,
 428                 .num_wds_entries = 0x20,
 429                 .target_64bit = false,
 430                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
 431                 .per_ce_irq = false,
 432                 .shadow_reg_support = false,
 433                 .rri_on_ddr = false,
 434                 .hw_filter_reset_required = true,
 435                 .fw_diag_ce_download = false,
 436         },
 437         {
 438                 .id = QCA9377_HW_1_0_DEV_VERSION,
 439                 .dev_id = QCA9377_1_0_DEVICE_ID,
 440                 .bus = ATH10K_BUS_PCI,
 441                 .name = "qca9377 hw1.0",
 442                 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
 443                 .uart_pin = 6,
 444                 .otp_exe_param = 0,
 445                 .channel_counters_freq_hz = 88000,
 446                 .max_probe_resp_desc_thres = 0,
 447                 .cal_data_len = 8124,
 448                 .fw = {
 449                         .dir = QCA9377_HW_1_0_FW_DIR,
 450                         .board = QCA9377_HW_1_0_BOARD_DATA_FILE,
 451                         .board_size = QCA9377_BOARD_DATA_SZ,
 452                         .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
 453                 },
 454                 .hw_ops = &qca988x_ops,
 455                 .decap_align_bytes = 4,
 456                 .spectral_bin_discard = 0,
 457                 .spectral_bin_offset = 0,
 458                 .vht160_mcs_rx_highest = 0,
 459                 .vht160_mcs_tx_highest = 0,
 460                 .n_cipher_suites = 8,
 461                 .ast_skid_limit = 0x10,
 462                 .num_wds_entries = 0x20,
 463                 .target_64bit = false,
 464                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
 465                 .per_ce_irq = false,
 466                 .shadow_reg_support = false,
 467                 .rri_on_ddr = false,
 468                 .hw_filter_reset_required = true,
 469                 .fw_diag_ce_download = false,
 470         },
 471         {
 472                 .id = QCA9377_HW_1_1_DEV_VERSION,
 473                 .dev_id = QCA9377_1_0_DEVICE_ID,
 474                 .bus = ATH10K_BUS_PCI,
 475                 .name = "qca9377 hw1.1",
 476                 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
 477                 .uart_pin = 6,
 478                 .otp_exe_param = 0,
 479                 .channel_counters_freq_hz = 88000,
 480                 .max_probe_resp_desc_thres = 0,
 481                 .cal_data_len = 8124,
 482                 .fw = {
 483                         .dir = QCA9377_HW_1_0_FW_DIR,
 484                         .board = QCA9377_HW_1_0_BOARD_DATA_FILE,
 485                         .board_size = QCA9377_BOARD_DATA_SZ,
 486                         .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
 487                 },
 488                 .hw_ops = &qca6174_ops,
 489                 .hw_clk = qca6174_clk,
 490                 .target_cpu_freq = 176000000,
 491                 .decap_align_bytes = 4,
 492                 .spectral_bin_discard = 0,
 493                 .spectral_bin_offset = 0,
 494                 .vht160_mcs_rx_highest = 0,
 495                 .vht160_mcs_tx_highest = 0,
 496                 .n_cipher_suites = 8,
 497                 .ast_skid_limit = 0x10,
 498                 .num_wds_entries = 0x20,
 499                 .target_64bit = false,
 500                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
 501                 .per_ce_irq = false,
 502                 .shadow_reg_support = false,
 503                 .rri_on_ddr = false,
 504                 .hw_filter_reset_required = true,
 505                 .fw_diag_ce_download = true,
 506         },
 507         {
 508                 .id = QCA4019_HW_1_0_DEV_VERSION,
 509                 .dev_id = 0,
 510                 .bus = ATH10K_BUS_AHB,
 511                 .name = "qca4019 hw1.0",
 512                 .patch_load_addr = QCA4019_HW_1_0_PATCH_LOAD_ADDR,
 513                 .uart_pin = 7,
 514                 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
 515                 .otp_exe_param = 0x0010000,
 516                 .continuous_frag_desc = true,
 517                 .cck_rate_map_rev2 = true,
 518                 .channel_counters_freq_hz = 125000,
 519                 .max_probe_resp_desc_thres = 24,
 520                 .tx_chain_mask = 0x3,
 521                 .rx_chain_mask = 0x3,
 522                 .max_spatial_stream = 2,
 523                 .cal_data_len = 12064,
 524                 .fw = {
 525                         .dir = QCA4019_HW_1_0_FW_DIR,
 526                         .board = QCA4019_HW_1_0_BOARD_DATA_FILE,
 527                         .board_size = QCA4019_BOARD_DATA_SZ,
 528                         .board_ext_size = QCA4019_BOARD_EXT_DATA_SZ,
 529                 },
 530                 .sw_decrypt_mcast_mgmt = true,
 531                 .hw_ops = &qca99x0_ops,
 532                 .decap_align_bytes = 1,
 533                 .spectral_bin_discard = 4,
 534                 .spectral_bin_offset = 0,
 535                 .vht160_mcs_rx_highest = 0,
 536                 .vht160_mcs_tx_highest = 0,
 537                 .n_cipher_suites = 11,
 538                 .ast_skid_limit = 0x10,
 539                 .num_wds_entries = 0x20,
 540                 .target_64bit = false,
 541                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
 542                 .per_ce_irq = false,
 543                 .shadow_reg_support = false,
 544                 .rri_on_ddr = false,
 545                 .hw_filter_reset_required = true,
 546                 .fw_diag_ce_download = false,
 547         },
 548         {
 549                 .id = WCN3990_HW_1_0_DEV_VERSION,
 550                 .dev_id = 0,
 551                 .bus = ATH10K_BUS_PCI,
 552                 .name = "wcn3990 hw1.0",
 553                 .continuous_frag_desc = true,
 554                 .tx_chain_mask = 0x7,
 555                 .rx_chain_mask = 0x7,
 556                 .max_spatial_stream = 4,
 557                 .fw = {
 558                         .dir = WCN3990_HW_1_0_FW_DIR,
 559                 },
 560                 .sw_decrypt_mcast_mgmt = true,
 561                 .hw_ops = &wcn3990_ops,
 562                 .decap_align_bytes = 1,
 563                 .num_peers = TARGET_HL_10_TLV_NUM_PEERS,
 564                 .n_cipher_suites = 8,
 565                 .ast_skid_limit = TARGET_HL_10_TLV_AST_SKID_LIMIT,
 566                 .num_wds_entries = TARGET_HL_10_TLV_NUM_WDS_ENTRIES,
 567                 .target_64bit = true,
 568                 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL_DUAL_MAC,
 569                 .per_ce_irq = true,
 570                 .shadow_reg_support = true,
 571                 .rri_on_ddr = true,
 572                 .hw_filter_reset_required = false,
 573                 .fw_diag_ce_download = false,
 574         },
 575 };
 576
 577 static const char *const ath10k_core_fw_feature_str[] = {
 578         [ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX] = "wmi-mgmt-rx",
 579         [ATH10K_FW_FEATURE_WMI_10X] = "wmi-10.x",
 580         [ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX] = "has-wmi-mgmt-tx",
 581         [ATH10K_FW_FEATURE_NO_P2P] = "no-p2p",
 582         [ATH10K_FW_FEATURE_WMI_10_2] = "wmi-10.2",
 583         [ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT] = "multi-vif-ps",
 584         [ATH10K_FW_FEATURE_WOWLAN_SUPPORT] = "wowlan",
 585         [ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp",
 586         [ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad",
 587         [ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init",
 588         [ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
 589         [ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA] = "adaptive-cca",
 590         [ATH10K_FW_FEATURE_MFP_SUPPORT] = "mfp",
 591         [ATH10K_FW_FEATURE_PEER_FLOW_CONTROL] = "peer-flow-ctrl",
 592         [ATH10K_FW_FEATURE_BTCOEX_PARAM] = "btcoex-param",
 593         [ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR] = "skip-null-func-war",
 594         [ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST] = "allows-mesh-bcast",
 595         [ATH10K_FW_FEATURE_NO_PS] = "no-ps",
 596         [ATH10K_FW_FEATURE_MGMT_TX_BY_REF] = "mgmt-tx-by-reference",
 597         [ATH10K_FW_FEATURE_NON_BMI] = "non-bmi",
 598         [ATH10K_FW_FEATURE_SINGLE_CHAN_INFO_PER_CHANNEL] = "single-chan-info-per-channel",
 599 };
 600
 601 static unsigned int ath10k_core_get_fw_feature_str(char *buf,
 602                                                    size_t buf_len,
 603                                                    enum ath10k_fw_features feat)
 604 {
 605         /* make sure that ath10k_core_fw_feature_str[] gets updated */
 606         BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
 607                      ATH10K_FW_FEATURE_COUNT);
 608
 609         if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) ||
 610             WARN_ON(!ath10k_core_fw_feature_str[feat])) {
 611                 return scnprintf(buf, buf_len, "bit%d", feat);
 612         }
 613
 614         return scnprintf(buf, buf_len, "%s", ath10k_core_fw_feature_str[feat]);
 615 }
 616
 617 void ath10k_core_get_fw_features_str(struct ath10k *ar,
 618                                      char *buf,
 619                                      size_t buf_len)
 620 {
 621         size_t len = 0;
 622         int i;
 623
 624         for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
 625                 if (test_bit(i, ar->normal_mode_fw.fw_file.fw_features)) {
 626                         if (len > 0)
 627                                 len += scnprintf(buf + len, buf_len - len, ",");
 628
 629                         len += ath10k_core_get_fw_feature_str(buf + len,
 630                                                               buf_len - len,
 631                                                               i);
 632                 }
 633         }
 634 }
 635
 636 static void ath10k_send_suspend_complete(struct ath10k *ar)
 637 {
 638         ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
 639
 640         complete(&ar->target_suspend);
 641 }
 642
 643 static void ath10k_init_sdio(struct ath10k *ar)
 644 {
 645         u32 param = 0;
 646
 647         ath10k_bmi_write32(ar, hi_mbox_io_block_sz, 256);
 648         ath10k_bmi_write32(ar, hi_mbox_isr_yield_limit, 99);
 649         ath10k_bmi_read32(ar, hi_acs_flags, &param);
 650
 651         param |= (HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET |
 652                   HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET |
 653                   HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE);
 654
 655         ath10k_bmi_write32(ar, hi_acs_flags, param);
 656 }
 657
 658 static int ath10k_init_configure_target(struct ath10k *ar)
 659 {
 660         u32 param_host;
 661         int ret;
 662
 663         /* tell target which HTC version it is used*/
 664         ret = ath10k_bmi_write32(ar, hi_app_host_interest,
 665                                  HTC_PROTOCOL_VERSION);
 666         if (ret) {
 667                 ath10k_err(ar, "settings HTC version failed\n");
 668                 return ret;
 669         }
 670
 671         /* set the firmware mode to STA/IBSS/AP */
 672         ret = ath10k_bmi_read32(ar, hi_option_flag, &param_host);
 673         if (ret) {
 674                 ath10k_err(ar, "setting firmware mode (1/2) failed\n");
 675                 return ret;
 676         }
 677
 678         /* TODO following parameters need to be re-visited. */
 679         /* num_device */
 680         param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT);
 681         /* Firmware mode */
 682         /* FIXME: Why FW_MODE_AP ??.*/
 683         param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT);
 684         /* mac_addr_method */
 685         param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
 686         /* firmware_bridge */
 687         param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
 688         /* fwsubmode */
 689         param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT);
 690
 691         ret = ath10k_bmi_write32(ar, hi_option_flag, param_host);
 692         if (ret) {
 693                 ath10k_err(ar, "setting firmware mode (2/2) failed\n");
 694                 return ret;
 695         }
 696
 697         /* We do all byte-swapping on the host */
 698         ret = ath10k_bmi_write32(ar, hi_be, 0);
 699         if (ret) {
 700                 ath10k_err(ar, "setting host CPU BE mode failed\n");
 701                 return ret;
 702         }
 703
 704         /* FW descriptor/Data swap flags */
 705         ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);
 706
 707         if (ret) {
 708                 ath10k_err(ar, "setting FW data/desc swap flags failed\n");
 709                 return ret;
 710         }
 711
 712         /* Some devices have a special sanity check that verifies the PCI
 713          * Device ID is written to this host interest var. It is known to be
 714          * required to boot QCA6164.
 715          */
 716         ret = ath10k_bmi_write32(ar, hi_hci_uart_pwr_mgmt_params_ext,
 717                                  ar->dev_id);
 718         if (ret) {
 719                 ath10k_err(ar, "failed to set pwr_mgmt_params: %d\n", ret);
 720                 return ret;
 721         }
 722
 723         return 0;
 724 }
 725
 726 static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar,
 727                                                    const char *dir,
 728                                                    const char *file)
 729 {
 730         char filename[100];
 731         const struct firmware *fw;
 732         int ret;
 733
 734         if (file == NULL)
 735                 return ERR_PTR(-ENOENT);
 736
 737         if (dir == NULL)
 738                 dir = ".";
 739
 740         snprintf(filename, sizeof(filename), "%s/%s", dir, file);
 741         ret = firmware_request_nowarn(&fw, filename, ar->dev);
 742         ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot fw request '%s': %d\n",
 743                    filename, ret);
 744
 745         if (ret)
 746                 return ERR_PTR(ret);
 747
 748         return fw;
 749 }
 750
 751 static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data,
 752                                       size_t data_len)
 753 {
 754         u32 board_data_size = ar->hw_params.fw.board_size;
 755         u32 board_ext_data_size = ar->hw_params.fw.board_ext_size;
 756         u32 board_ext_data_addr;
 757         int ret;
 758
 759         ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
 760         if (ret) {
 761                 ath10k_err(ar, "could not read board ext data addr (%d)\n",
 762                            ret);
 763                 return ret;
 764         }
 765
 766         ath10k_dbg(ar, ATH10K_DBG_BOOT,
 767                    "boot push board extended data addr 0x%x\n",
 768                    board_ext_data_addr);
 769
 770         if (board_ext_data_addr == 0)
 771                 return 0;
 772
 773         if (data_len != (board_data_size + board_ext_data_size)) {
 774                 ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
 775                            data_len, board_data_size, board_ext_data_size);
 776                 return -EINVAL;
 777         }
 778
 779         ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
 780                                       data + board_data_size,
 781                                       board_ext_data_size);
 782         if (ret) {
 783                 ath10k_err(ar, "could not write board ext data (%d)\n", ret);
 784                 return ret;
 785         }
 786
 787         ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
 788                                  (board_ext_data_size << 16) | 1);
 789         if (ret) {
 790                 ath10k_err(ar, "could not write board ext data bit (%d)\n",
 791                            ret);
 792                 return ret;
 793         }
 794
 795         return 0;
 796 }
 797
 798 static int ath10k_core_get_board_id_from_otp(struct ath10k *ar)
 799 {
 800         u32 result, address;
 801         u8 board_id, chip_id;
 802         bool ext_bid_support;
 803         int ret, bmi_board_id_param;
 804
 805         address = ar->hw_params.patch_load_addr;
 806
 807         if (!ar->normal_mode_fw.fw_file.otp_data ||
 808             !ar->normal_mode_fw.fw_file.otp_len) {
 809                 ath10k_warn(ar,
 810                             "failed to retrieve board id because of invalid otp\n");
 811                 return -ENODATA;
 812         }
 813
 814         ath10k_dbg(ar, ATH10K_DBG_BOOT,
 815                    "boot upload otp to 0x%x len %zd for board id\n",
 816                    address, ar->normal_mode_fw.fw_file.otp_len);
 817
 818         ret = ath10k_bmi_fast_download(ar, address,
 819                                        ar->normal_mode_fw.fw_file.otp_data,
 820                                        ar->normal_mode_fw.fw_file.otp_len);
 821         if (ret) {
 822                 ath10k_err(ar, "could not write otp for board id check: %d\n",
 823                            ret);
 824                 return ret;
 825         }
 826
 827         if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
 828             ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE)
 829                 bmi_board_id_param = BMI_PARAM_GET_FLASH_BOARD_ID;
 830         else
 831                 bmi_board_id_param = BMI_PARAM_GET_EEPROM_BOARD_ID;
 832
 833         ret = ath10k_bmi_execute(ar, address, bmi_board_id_param, &result);
 834         if (ret) {
 835                 ath10k_err(ar, "could not execute otp for board id check: %d\n",
 836                            ret);
 837                 return ret;
 838         }
 839
 840         board_id = MS(result, ATH10K_BMI_BOARD_ID_FROM_OTP);
 841         chip_id = MS(result, ATH10K_BMI_CHIP_ID_FROM_OTP);
 842         ext_bid_support = (result & ATH10K_BMI_EXT_BOARD_ID_SUPPORT);
 843
 844         ath10k_dbg(ar, ATH10K_DBG_BOOT,
 845                    "boot get otp board id result 0x%08x board_id %d chip_id %d ext_bid_support %d\n",
 846                    result, board_id, chip_id, ext_bid_support);
 847
 848         ar->id.ext_bid_supported = ext_bid_support;
 849
 850         if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0 ||
 851             (board_id == 0)) {
 852                 ath10k_dbg(ar, ATH10K_DBG_BOOT,
 853                            "board id does not exist in otp, ignore it\n");
 854                 return -EOPNOTSUPP;
 855         }
 856
 857         ar->id.bmi_ids_valid = true;
 858         ar->id.bmi_board_id = board_id;
 859         ar->id.bmi_chip_id = chip_id;
 860
 861         return 0;
 862 }
 863
 864 static void ath10k_core_check_bdfext(const struct dmi_header *hdr, void *data)
 865 {
 866         struct ath10k *ar = data;
 867         const char *bdf_ext;
 868         const char *magic = ATH10K_SMBIOS_BDF_EXT_MAGIC;
 869         u8 bdf_enabled;
 870         int i;
 871
 872         if (hdr->type != ATH10K_SMBIOS_BDF_EXT_TYPE)
 873                 return;
 874
 875         if (hdr->length != ATH10K_SMBIOS_BDF_EXT_LENGTH) {
 876                 ath10k_dbg(ar, ATH10K_DBG_BOOT,
 877                            "wrong smbios bdf ext type length (%d).\n",
 878                            hdr->length);
 879                 return;
 880         }
 881
 882         bdf_enabled = *((u8 *)hdr + ATH10K_SMBIOS_BDF_EXT_OFFSET);
 883         if (!bdf_enabled) {
 884                 ath10k_dbg(ar, ATH10K_DBG_BOOT, "bdf variant name not found.\n");
 885                 return;
 886         }
 887
 888         /* Only one string exists (per spec) */
 889         bdf_ext = (char *)hdr + hdr->length;
 890
 891         if (memcmp(bdf_ext, magic, strlen(magic)) != 0) {
 892                 ath10k_dbg(ar, ATH10K_DBG_BOOT,
 893                            "bdf variant magic does not match.\n");
 894                 return;
 895         }
 896
 897         for (i = 0; i < strlen(bdf_ext); i++) {
 898                 if (!isascii(bdf_ext[i]) || !isprint(bdf_ext[i])) {
 899                         ath10k_dbg(ar, ATH10K_DBG_BOOT,
 900                                    "bdf variant name contains non ascii chars.\n");
 901                         return;
 902                 }
 903         }
 904
 905         /* Copy extension name without magic suffix */
 906         if (strscpy(ar->id.bdf_ext, bdf_ext + strlen(magic),
 907                     sizeof(ar->id.bdf_ext)) < 0) {
 908                 ath10k_dbg(ar, ATH10K_DBG_BOOT,
 909                            "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
 910                             bdf_ext);
 911                 return;
 912         }
 913
 914         ath10k_dbg(ar, ATH10K_DBG_BOOT,
 915                    "found and validated bdf variant smbios_type 0x%x bdf %s\n",
 916                    ATH10K_SMBIOS_BDF_EXT_TYPE, bdf_ext);
 917 }
 918
 919 static int ath10k_core_check_smbios(struct ath10k *ar)
 920 {
 921         ar->id.bdf_ext[0] = '\0';
 922         dmi_walk(ath10k_core_check_bdfext, ar);
 923
 924         if (ar->id.bdf_ext[0] == '\0')
 925                 return -ENODATA;
 926
 927         return 0;
 928 }
 929
 930 static int ath10k_core_check_dt(struct ath10k *ar)
 931 {
 932         struct device_node *node;
 933         const char *variant = NULL;
 934
 935         node = ar->dev->of_node;
 936         if (!node)
 937                 return -ENOENT;
 938
 939         of_property_read_string(node, "qcom,ath10k-calibration-variant",
 940                                 &variant);
 941         if (!variant)
 942                 return -ENODATA;
 943
 944         if (strscpy(ar->id.bdf_ext, variant, sizeof(ar->id.bdf_ext)) < 0)
 945                 ath10k_dbg(ar, ATH10K_DBG_BOOT,
 946                            "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
 947                             variant);
 948
 949         return 0;
 950 }
 951
 952 static int ath10k_download_fw(struct ath10k *ar)
 953 {
 954         u32 address, data_len;
 955         const void *data;
 956         int ret;
 957
 958         address = ar->hw_params.patch_load_addr;
 959
 960         data = ar->running_fw->fw_file.firmware_data;
 961         data_len = ar->running_fw->fw_file.firmware_len;
 962
 963         ret = ath10k_swap_code_seg_configure(ar, &ar->running_fw->fw_file);
 964         if (ret) {
 965                 ath10k_err(ar, "failed to configure fw code swap: %d\n",
 966                            ret);
 967                 return ret;
 968         }
 969
 970         ath10k_dbg(ar, ATH10K_DBG_BOOT,
 971                    "boot uploading firmware image %pK len %d\n",
 972                    data, data_len);
 973
 974         /* Check if device supports to download firmware via
 975          * diag copy engine. Downloading firmware via diag CE
 976          * greatly reduces the time to download firmware.
 977          */
 978         if (ar->hw_params.fw_diag_ce_download) {
 979                 ret = ath10k_hw_diag_fast_download(ar, address,
 980                                                    data, data_len);
 981                 if (ret == 0)
 982                         /* firmware upload via diag ce was successful */
 983                         return 0;
 984
 985                 ath10k_warn(ar,
 986                             "failed to upload firmware via diag ce, trying BMI: %d",
 987                             ret);
 988         }
 989
 990         return ath10k_bmi_fast_download(ar, address,
 991                                         data, data_len);
 992 }
 993
 994 void ath10k_core_free_board_files(struct ath10k *ar)
 995 {
 996         if (!IS_ERR(ar->normal_mode_fw.board))
 997                 release_firmware(ar->normal_mode_fw.board);
 998
 999         if (!IS_ERR(ar->normal_mode_fw.ext_board))
1000                 release_firmware(ar->normal_mode_fw.ext_board);
1001
1002         ar->normal_mode_fw.board = NULL;
1003         ar->normal_mode_fw.board_data = NULL;
1004         ar->normal_mode_fw.board_len = 0;
1005         ar->normal_mode_fw.ext_board = NULL;
1006         ar->normal_mode_fw.ext_board_data = NULL;
1007         ar->normal_mode_fw.ext_board_len = 0;
1008 }
1009 EXPORT_SYMBOL(ath10k_core_free_board_files);
1010
1011 static void ath10k_core_free_firmware_files(struct ath10k *ar)
1012 {
1013         if (!IS_ERR(ar->normal_mode_fw.fw_file.firmware))
1014                 release_firmware(ar->normal_mode_fw.fw_file.firmware);
1015
1016         if (!IS_ERR(ar->cal_file))
1017                 release_firmware(ar->cal_file);
1018
1019         if (!IS_ERR(ar->pre_cal_file))
1020                 release_firmware(ar->pre_cal_file);
1021
1022         ath10k_swap_code_seg_release(ar, &ar->normal_mode_fw.fw_file);
1023
1024         ar->normal_mode_fw.fw_file.otp_data = NULL;
1025         ar->normal_mode_fw.fw_file.otp_len = 0;
1026
1027         ar->normal_mode_fw.fw_file.firmware = NULL;
1028         ar->normal_mode_fw.fw_file.firmware_data = NULL;
1029         ar->normal_mode_fw.fw_file.firmware_len = 0;
1030
1031         ar->cal_file = NULL;
1032         ar->pre_cal_file = NULL;
1033 }
1034
1035 static int ath10k_fetch_cal_file(struct ath10k *ar)
1036 {
1037         char filename[100];
1038
1039         /* pre-cal-<bus>-<id>.bin */
1040         scnprintf(filename, sizeof(filename), "pre-cal-%s-%s.bin",
1041                   ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1042
1043         ar->pre_cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
1044         if (!IS_ERR(ar->pre_cal_file))
1045                 goto success;
1046
1047         /* cal-<bus>-<id>.bin */
1048         scnprintf(filename, sizeof(filename), "cal-%s-%s.bin",
1049                   ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1050
1051         ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
1052         if (IS_ERR(ar->cal_file))
1053                 /* calibration file is optional, don't print any warnings */
1054                 return PTR_ERR(ar->cal_file);
1055 success:
1056         ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n",
1057                    ATH10K_FW_DIR, filename);
1058
1059         return 0;
1060 }
1061
1062 static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar, int bd_ie_type)
1063 {
1064         const struct firmware *fw;
1065
1066         if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1067                 if (!ar->hw_params.fw.board) {
1068                         ath10k_err(ar, "failed to find board file fw entry\n");
1069                         return -EINVAL;
1070                 }
1071
1072                 ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
1073                                                                 ar->hw_params.fw.dir,
1074                                                                 ar->hw_params.fw.board);
1075                 if (IS_ERR(ar->normal_mode_fw.board))
1076                         return PTR_ERR(ar->normal_mode_fw.board);
1077
1078                 ar->normal_mode_fw.board_data = ar->normal_mode_fw.board->data;
1079                 ar->normal_mode_fw.board_len = ar->normal_mode_fw.board->size;
1080         } else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1081                 if (!ar->hw_params.fw.eboard) {
1082                         ath10k_err(ar, "failed to find eboard file fw entry\n");
1083                         return -EINVAL;
1084                 }
1085
1086                 fw = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
1087                                           ar->hw_params.fw.eboard);
1088                 ar->normal_mode_fw.ext_board = fw;
1089                 if (IS_ERR(ar->normal_mode_fw.ext_board))
1090                         return PTR_ERR(ar->normal_mode_fw.ext_board);
1091
1092                 ar->normal_mode_fw.ext_board_data = ar->normal_mode_fw.ext_board->data;
1093                 ar->normal_mode_fw.ext_board_len = ar->normal_mode_fw.ext_board->size;
1094         }
1095
1096         return 0;
1097 }
1098
1099 static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
1100                                          const void *buf, size_t buf_len,
1101                                          const char *boardname,
1102                                          int bd_ie_type)
1103 {
1104         const struct ath10k_fw_ie *hdr;
1105         bool name_match_found;
1106         int ret, board_ie_id;
1107         size_t board_ie_len;
1108         const void *board_ie_data;
1109
1110         name_match_found = false;
1111
1112         /* go through ATH10K_BD_IE_BOARD_ elements */
1113         while (buf_len > sizeof(struct ath10k_fw_ie)) {
1114                 hdr = buf;
1115                 board_ie_id = le32_to_cpu(hdr->id);
1116                 board_ie_len = le32_to_cpu(hdr->len);
1117                 board_ie_data = hdr->data;
1118
1119                 buf_len -= sizeof(*hdr);
1120                 buf += sizeof(*hdr);
1121
1122                 if (buf_len < ALIGN(board_ie_len, 4)) {
1123                         ath10k_err(ar, "invalid ATH10K_BD_IE_BOARD length: %zu < %zu\n",
1124                                    buf_len, ALIGN(board_ie_len, 4));
1125                         ret = -EINVAL;
1126                         goto out;
1127                 }
1128
1129                 switch (board_ie_id) {
1130                 case ATH10K_BD_IE_BOARD_NAME:
1131                         ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "board name", "",
1132                                         board_ie_data, board_ie_len);
1133
1134                         if (board_ie_len != strlen(boardname))
1135                                 break;
1136
1137                         ret = memcmp(board_ie_data, boardname, strlen(boardname));
1138                         if (ret)
1139                                 break;
1140
1141                         name_match_found = true;
1142                         ath10k_dbg(ar, ATH10K_DBG_BOOT,
1143                                    "boot found match for name '%s'",
1144                                    boardname);
1145                         break;
1146                 case ATH10K_BD_IE_BOARD_DATA:
1147                         if (!name_match_found)
1148                                 /* no match found */
1149                                 break;
1150
1151                         if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1152                                 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1153                                            "boot found board data for '%s'",
1154                                                 boardname);
1155
1156                                 ar->normal_mode_fw.board_data = board_ie_data;
1157                                 ar->normal_mode_fw.board_len = board_ie_len;
1158                         } else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1159                                 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1160                                            "boot found eboard data for '%s'",
1161                                                 boardname);
1162
1163                                 ar->normal_mode_fw.ext_board_data = board_ie_data;
1164                                 ar->normal_mode_fw.ext_board_len = board_ie_len;
1165                         }
1166
1167                         ret = 0;
1168                         goto out;
1169                 default:
1170                         ath10k_warn(ar, "unknown ATH10K_BD_IE_BOARD found: %d\n",
1171                                     board_ie_id);
1172                         break;
1173                 }
1174
1175                 /* jump over the padding */
1176                 board_ie_len = ALIGN(board_ie_len, 4);
1177
1178                 buf_len -= board_ie_len;
1179                 buf += board_ie_len;
1180         }
1181
1182         /* no match found */
1183         ret = -ENOENT;
1184
1185 out:
1186         return ret;
1187 }
1188
1189 static int ath10k_core_search_bd(struct ath10k *ar,
1190                                  const char *boardname,
1191                                  const u8 *data,
1192                                  size_t len)
1193 {
1194         size_t ie_len;
1195         struct ath10k_fw_ie *hdr;
1196         int ret = -ENOENT, ie_id;
1197
1198         while (len > sizeof(struct ath10k_fw_ie)) {
1199                 hdr = (struct ath10k_fw_ie *)data;
1200                 ie_id = le32_to_cpu(hdr->id);
1201                 ie_len = le32_to_cpu(hdr->len);
1202
1203                 len -= sizeof(*hdr);
1204                 data = hdr->data;
1205
1206                 if (len < ALIGN(ie_len, 4)) {
1207                         ath10k_err(ar, "invalid length for board ie_id %d ie_len %zu len %zu\n",
1208                                    ie_id, ie_len, len);
1209                         return -EINVAL;
1210                 }
1211
1212                 switch (ie_id) {
1213                 case ATH10K_BD_IE_BOARD:
1214                         ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
1215                                                             boardname,
1216                                                             ATH10K_BD_IE_BOARD);
1217                         if (ret == -ENOENT)
1218                                 /* no match found, continue */
1219                                 break;
1220
1221                         /* either found or error, so stop searching */
1222                         goto out;
1223                 case ATH10K_BD_IE_BOARD_EXT:
1224                         ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
1225                                                             boardname,
1226                                                             ATH10K_BD_IE_BOARD_EXT);
1227                         if (ret == -ENOENT)
1228                                 /* no match found, continue */
1229                                 break;
1230
1231                         /* either found or error, so stop searching */
1232                         goto out;
1233                 }
1234
1235                 /* jump over the padding */
1236                 ie_len = ALIGN(ie_len, 4);
1237
1238                 len -= ie_len;
1239                 data += ie_len;
1240         }
1241
1242 out:
1243         /* return result of parse_bd_ie_board() or -ENOENT */
1244         return ret;
1245 }
1246
1247 static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar,
1248                                               const char *boardname,
1249                                               const char *fallback_boardname,
1250                                               const char *filename)
1251 {
1252         size_t len, magic_len;
1253         const u8 *data;
1254         int ret;
1255
1256         /* Skip if already fetched during board data download */
1257         if (!ar->normal_mode_fw.board)
1258                 ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
1259                                                                 ar->hw_params.fw.dir,
1260                                                                 filename);
1261         if (IS_ERR(ar->normal_mode_fw.board))
1262                 return PTR_ERR(ar->normal_mode_fw.board);
1263
1264         data = ar->normal_mode_fw.board->data;
1265         len = ar->normal_mode_fw.board->size;
1266
1267         /* magic has extra null byte padded */
1268         magic_len = strlen(ATH10K_BOARD_MAGIC) + 1;
1269         if (len < magic_len) {
1270                 ath10k_err(ar, "failed to find magic value in %s/%s, file too short: %zu\n",
1271                            ar->hw_params.fw.dir, filename, len);
1272                 ret = -EINVAL;
1273                 goto err;
1274         }
1275
1276         if (memcmp(data, ATH10K_BOARD_MAGIC, magic_len)) {
1277                 ath10k_err(ar, "found invalid board magic\n");
1278                 ret = -EINVAL;
1279                 goto err;
1280         }
1281
1282         /* magic is padded to 4 bytes */
1283         magic_len = ALIGN(magic_len, 4);
1284         if (len < magic_len) {
1285                 ath10k_err(ar, "failed: %s/%s too small to contain board data, len: %zu\n",
1286                            ar->hw_params.fw.dir, filename, len);
1287                 ret = -EINVAL;
1288                 goto err;
1289         }
1290
1291         data += magic_len;
1292         len -= magic_len;
1293
1294         /* attempt to find boardname in the IE list */
1295         ret = ath10k_core_search_bd(ar, boardname, data, len);
1296
1297         /* if we didn't find it and have a fallback name, try that */
1298         if (ret == -ENOENT && fallback_boardname)
1299                 ret = ath10k_core_search_bd(ar, fallback_boardname, data, len);
1300
1301         if (ret == -ENOENT) {
1302                 ath10k_err(ar,
1303                            "failed to fetch board data for %s from %s/%s\n",
1304                            boardname, ar->hw_params.fw.dir, filename);
1305                 ret = -ENODATA;
1306         }
1307
1308         if (ret)
1309                 goto err;
1310
1311         return 0;
1312
1313 err:
1314         ath10k_core_free_board_files(ar);
1315         return ret;
1316 }
1317
1318 static int ath10k_core_create_board_name(struct ath10k *ar, char *name,
1319                                          size_t name_len, bool with_variant)
1320 {
1321         /* strlen(',variant=') + strlen(ar->id.bdf_ext) */
1322         char variant[9 + ATH10K_SMBIOS_BDF_EXT_STR_LENGTH] = { 0 };
1323
1324         if (with_variant && ar->id.bdf_ext[0] != '\0')
1325                 scnprintf(variant, sizeof(variant), ",variant=%s",
1326                           ar->id.bdf_ext);
1327
1328         if (ar->id.bmi_ids_valid) {
1329                 scnprintf(name, name_len,
1330                           "bus=%s,bmi-chip-id=%d,bmi-board-id=%d%s",
1331                           ath10k_bus_str(ar->hif.bus),
1332                           ar->id.bmi_chip_id,
1333                           ar->id.bmi_board_id, variant);
1334                 goto out;
1335         }
1336
1337         if (ar->id.qmi_ids_valid) {
1338                 scnprintf(name, name_len,
1339                           "bus=%s,qmi-board-id=%x",
1340                           ath10k_bus_str(ar->hif.bus),
1341                           ar->id.qmi_board_id);
1342                 goto out;
1343         }
1344
1345         scnprintf(name, name_len,
1346                   "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x%s",
1347                   ath10k_bus_str(ar->hif.bus),
1348                   ar->id.vendor, ar->id.device,
1349                   ar->id.subsystem_vendor, ar->id.subsystem_device, variant);
1350 out:
1351         ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
1352
1353         return 0;
1354 }
1355
1356 static int ath10k_core_create_eboard_name(struct ath10k *ar, char *name,
1357                                           size_t name_len)
1358 {
1359         if (ar->id.bmi_ids_valid) {
1360                 scnprintf(name, name_len,
1361                           "bus=%s,bmi-chip-id=%d,bmi-eboard-id=%d",
1362                           ath10k_bus_str(ar->hif.bus),
1363                           ar->id.bmi_chip_id,
1364                           ar->id.bmi_eboard_id);
1365
1366                 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using eboard name '%s'\n", name);
1367                 return 0;
1368         }
1369         /* Fallback if returned board id is zero */
1370         return -1;
1371 }
1372
1373 int ath10k_core_fetch_board_file(struct ath10k *ar, int bd_ie_type)
1374 {
1375         char boardname[100], fallback_boardname[100];
1376         int ret;
1377
1378         if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1379                 ret = ath10k_core_create_board_name(ar, boardname,
1380                                                     sizeof(boardname), true);
1381                 if (ret) {
1382                         ath10k_err(ar, "failed to create board name: %d", ret);
1383                         return ret;
1384                 }
1385
1386                 ret = ath10k_core_create_board_name(ar, fallback_boardname,
1387                                                     sizeof(boardname), false);
1388                 if (ret) {
1389                         ath10k_err(ar, "failed to create fallback board name: %d", ret);
1390                         return ret;
1391                 }
1392         } else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1393                 ret = ath10k_core_create_eboard_name(ar, boardname,
1394                                                      sizeof(boardname));
1395                 if (ret) {
1396                         ath10k_err(ar, "fallback to eboard.bin since board id 0");
1397                         goto fallback;
1398                 }
1399         }
1400
1401         ar->bd_api = 2;
1402         ret = ath10k_core_fetch_board_data_api_n(ar, boardname,
1403                                                  fallback_boardname,
1404                                                  ATH10K_BOARD_API2_FILE);
1405         if (!ret)
1406                 goto success;
1407
1408 fallback:
1409         ar->bd_api = 1;
1410         ret = ath10k_core_fetch_board_data_api_1(ar, bd_ie_type);
1411         if (ret) {
1412                 ath10k_err(ar, "failed to fetch board-2.bin or board.bin from %s\n",
1413                            ar->hw_params.fw.dir);
1414                 return ret;
1415         }
1416
1417 success:
1418         ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
1419         return 0;
1420 }
1421 EXPORT_SYMBOL(ath10k_core_fetch_board_file);
1422
1423 static int ath10k_core_get_ext_board_id_from_otp(struct ath10k *ar)
1424 {
1425         u32 result, address;
1426         u8 ext_board_id;
1427         int ret;
1428
1429         address = ar->hw_params.patch_load_addr;
1430
1431         if (!ar->normal_mode_fw.fw_file.otp_data ||
1432             !ar->normal_mode_fw.fw_file.otp_len) {
1433                 ath10k_warn(ar,
1434                             "failed to retrieve extended board id due to otp binary missing\n");
1435                 return -ENODATA;
1436         }
1437
1438         ath10k_dbg(ar, ATH10K_DBG_BOOT,
1439                    "boot upload otp to 0x%x len %zd for ext board id\n",
1440                    address, ar->normal_mode_fw.fw_file.otp_len);
1441
1442         ret = ath10k_bmi_fast_download(ar, address,
1443                                        ar->normal_mode_fw.fw_file.otp_data,
1444                                        ar->normal_mode_fw.fw_file.otp_len);
1445         if (ret) {
1446                 ath10k_err(ar, "could not write otp for ext board id check: %d\n",
1447                            ret);
1448                 return ret;
1449         }
1450
1451         ret = ath10k_bmi_execute(ar, address, BMI_PARAM_GET_EXT_BOARD_ID, &result);
1452         if (ret) {
1453                 ath10k_err(ar, "could not execute otp for ext board id check: %d\n",
1454                            ret);
1455                 return ret;
1456         }
1457
1458         if (!result) {
1459                 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1460                            "ext board id does not exist in otp, ignore it\n");
1461                 return -EOPNOTSUPP;
1462         }
1463
1464         ext_board_id = result & ATH10K_BMI_EBOARD_ID_STATUS_MASK;
1465
1466         ath10k_dbg(ar, ATH10K_DBG_BOOT,
1467                    "boot get otp ext board id result 0x%08x ext_board_id %d\n",
1468                    result, ext_board_id);
1469
1470         ar->id.bmi_eboard_id = ext_board_id;
1471
1472         return 0;
1473 }
1474
1475 static int ath10k_download_board_data(struct ath10k *ar, const void *data,
1476                                       size_t data_len)
1477 {
1478         u32 board_data_size = ar->hw_params.fw.board_size;
1479         u32 eboard_data_size = ar->hw_params.fw.ext_board_size;
1480         u32 board_address;
1481         u32 ext_board_address;
1482         int ret;
1483
1484         ret = ath10k_push_board_ext_data(ar, data, data_len);
1485         if (ret) {
1486                 ath10k_err(ar, "could not push board ext data (%d)\n", ret);
1487                 goto exit;
1488         }
1489
1490         ret = ath10k_bmi_read32(ar, hi_board_data, &board_address);
1491         if (ret) {
1492                 ath10k_err(ar, "could not read board data addr (%d)\n", ret);
1493                 goto exit;
1494         }
1495
1496         ret = ath10k_bmi_write_memory(ar, board_address, data,
1497                                       min_t(u32, board_data_size,
1498                                             data_len));
1499         if (ret) {
1500                 ath10k_err(ar, "could not write board data (%d)\n", ret);
1501                 goto exit;
1502         }
1503
1504         ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
1505         if (ret) {
1506                 ath10k_err(ar, "could not write board data bit (%d)\n", ret);
1507                 goto exit;
1508         }
1509
1510         if (!ar->id.ext_bid_supported)
1511                 goto exit;
1512
1513         /* Extended board data download */
1514         ret = ath10k_core_get_ext_board_id_from_otp(ar);
1515         if (ret == -EOPNOTSUPP) {
1516                 /* Not fetching ext_board_data if ext board id is 0 */
1517                 ath10k_dbg(ar, ATH10K_DBG_BOOT, "otp returned ext board id 0\n");
1518                 return 0;
1519         } else if (ret) {
1520                 ath10k_err(ar, "failed to get extended board id: %d\n", ret);
1521                 goto exit;
1522         }
1523
1524         ret = ath10k_core_fetch_board_file(ar, ATH10K_BD_IE_BOARD_EXT);
1525         if (ret)
1526                 goto exit;
1527
1528         if (ar->normal_mode_fw.ext_board_data) {
1529                 ext_board_address = board_address + EXT_BOARD_ADDRESS_OFFSET;
1530                 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1531                            "boot writing ext board data to addr 0x%x",
1532                            ext_board_address);
1533                 ret = ath10k_bmi_write_memory(ar, ext_board_address,
1534                                               ar->normal_mode_fw.ext_board_data,
1535                                               min_t(u32, eboard_data_size, data_len));
1536                 if (ret)
1537                         ath10k_err(ar, "failed to write ext board data: %d\n", ret);
1538         }
1539
1540 exit:
1541         return ret;
1542 }
1543
1544 static int ath10k_download_and_run_otp(struct ath10k *ar)
1545 {
1546         u32 result, address = ar->hw_params.patch_load_addr;
1547         u32 bmi_otp_exe_param = ar->hw_params.otp_exe_param;
1548         int ret;
1549
1550         ret = ath10k_download_board_data(ar,
1551                                          ar->running_fw->board_data,
1552                                          ar->running_fw->board_len);
1553         if (ret) {
1554                 ath10k_err(ar, "failed to download board data: %d\n", ret);
1555                 return ret;
1556         }
1557
1558         /* OTP is optional */
1559
1560         if (!ar->running_fw->fw_file.otp_data ||
1561             !ar->running_fw->fw_file.otp_len) {
1562                 ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %pK otp_len %zd)!\n",
1563                             ar->running_fw->fw_file.otp_data,
1564                             ar->running_fw->fw_file.otp_len);
1565                 return 0;
1566         }
1567
1568         ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
1569                    address, ar->running_fw->fw_file.otp_len);
1570
1571         ret = ath10k_bmi_fast_download(ar, address,
1572                                        ar->running_fw->fw_file.otp_data,
1573                                        ar->running_fw->fw_file.otp_len);
1574         if (ret) {
1575                 ath10k_err(ar, "could not write otp (%d)\n", ret);
1576                 return ret;
1577         }
1578
1579         /* As of now pre-cal is valid for 10_4 variants */
1580         if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
1581             ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE)
1582                 bmi_otp_exe_param = BMI_PARAM_FLASH_SECTION_ALL;
1583
1584         ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result);
1585         if (ret) {
1586                 ath10k_err(ar, "could not execute otp (%d)\n", ret);
1587                 return ret;
1588         }
1589
1590         ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
1591
1592         if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
1593                                    ar->running_fw->fw_file.fw_features)) &&
1594             result != 0) {
1595                 ath10k_err(ar, "otp calibration failed: %d", result);
1596                 return -EINVAL;
1597         }
1598
1599         return 0;
1600 }
1601
1602 static int ath10k_download_cal_file(struct ath10k *ar,
1603                                     const struct firmware *file)
1604 {
1605         int ret;
1606
1607         if (!file)
1608                 return -ENOENT;
1609
1610         if (IS_ERR(file))
1611                 return PTR_ERR(file);
1612
1613         ret = ath10k_download_board_data(ar, file->data, file->size);
1614         if (ret) {
1615                 ath10k_err(ar, "failed to download cal_file data: %d\n", ret);
1616                 return ret;
1617         }
1618
1619         ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n");
1620
1621         return 0;
1622 }
1623
1624 static int ath10k_download_cal_dt(struct ath10k *ar, const char *dt_name)
1625 {
1626         struct device_node *node;
1627         int data_len;
1628         void *data;
1629         int ret;
1630
1631         node = ar->dev->of_node;
1632         if (!node)
1633                 /* Device Tree is optional, don't print any warnings if
1634                  * there's no node for ath10k.
1635                  */
1636                 return -ENOENT;
1637
1638         if (!of_get_property(node, dt_name, &data_len)) {
1639                 /* The calibration data node is optional */
1640                 return -ENOENT;
1641         }
1642
1643         if (data_len != ar->hw_params.cal_data_len) {
1644                 ath10k_warn(ar, "invalid calibration data length in DT: %d\n",
1645                             data_len);
1646                 ret = -EMSGSIZE;
1647                 goto out;
1648         }
1649
1650         data = kmalloc(data_len, GFP_KERNEL);
1651         if (!data) {
1652                 ret = -ENOMEM;
1653                 goto out;
1654         }
1655
1656         ret = of_property_read_u8_array(node, dt_name, data, data_len);
1657         if (ret) {
1658                 ath10k_warn(ar, "failed to read calibration data from DT: %d\n",
1659                             ret);
1660                 goto out_free;
1661         }
1662
1663         ret = ath10k_download_board_data(ar, data, data_len);
1664         if (ret) {
1665                 ath10k_warn(ar, "failed to download calibration data from Device Tree: %d\n",
1666                             ret);
1667                 goto out_free;
1668         }
1669
1670         ret = 0;
1671
1672 out_free:
1673         kfree(data);
1674
1675 out:
1676         return ret;
1677 }
1678
1679 static int ath10k_download_cal_eeprom(struct ath10k *ar)
1680 {
1681         size_t data_len;
1682         void *data = NULL;
1683         int ret;
1684
1685         ret = ath10k_hif_fetch_cal_eeprom(ar, &data, &data_len);
1686         if (ret) {
1687                 if (ret != -EOPNOTSUPP)
1688                         ath10k_warn(ar, "failed to read calibration data from EEPROM: %d\n",
1689                                     ret);
1690                 goto out_free;
1691         }
1692
1693         ret = ath10k_download_board_data(ar, data, data_len);
1694         if (ret) {
1695                 ath10k_warn(ar, "failed to download calibration data from EEPROM: %d\n",
1696                             ret);
1697                 goto out_free;
1698         }
1699
1700         ret = 0;
1701
1702 out_free:
1703         kfree(data);
1704
1705         return ret;
1706 }
1707
1708 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
1709                                      struct ath10k_fw_file *fw_file)
1710 {
1711         size_t magic_len, len, ie_len;
1712         int ie_id, i, index, bit, ret;
1713         struct ath10k_fw_ie *hdr;
1714         const u8 *data;
1715         __le32 *timestamp, *version;
1716
1717         /* first fetch the firmware file (firmware-*.bin) */
1718         fw_file->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
1719                                                  name);
1720         if (IS_ERR(fw_file->firmware))
1721                 return PTR_ERR(fw_file->firmware);
1722
1723         data = fw_file->firmware->data;
1724         len = fw_file->firmware->size;
1725
1726         /* magic also includes the null byte, check that as well */
1727         magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
1728
1729         if (len < magic_len) {
1730                 ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
1731                            ar->hw_params.fw.dir, name, len);
1732                 ret = -EINVAL;
1733                 goto err;
1734         }
1735
1736         if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
1737                 ath10k_err(ar, "invalid firmware magic\n");
1738                 ret = -EINVAL;
1739                 goto err;
1740         }
1741
1742         /* jump over the padding */
1743         magic_len = ALIGN(magic_len, 4);
1744
1745         len -= magic_len;
1746         data += magic_len;
1747
1748         /* loop elements */
1749         while (len > sizeof(struct ath10k_fw_ie)) {
1750                 hdr = (struct ath10k_fw_ie *)data;
1751
1752                 ie_id = le32_to_cpu(hdr->id);
1753                 ie_len = le32_to_cpu(hdr->len);
1754
1755                 len -= sizeof(*hdr);
1756                 data += sizeof(*hdr);
1757
1758                 if (len < ie_len) {
1759                         ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
1760                                    ie_id, len, ie_len);
1761                         ret = -EINVAL;
1762                         goto err;
1763                 }
1764
1765                 switch (ie_id) {
1766                 case ATH10K_FW_IE_FW_VERSION:
1767                         if (ie_len > sizeof(fw_file->fw_version) - 1)
1768                                 break;
1769
1770                         memcpy(fw_file->fw_version, data, ie_len);
1771                         fw_file->fw_version[ie_len] = '\0';
1772
1773                         ath10k_dbg(ar, ATH10K_DBG_BOOT,
1774                                    "found fw version %s\n",
1775                                     fw_file->fw_version);
1776                         break;
1777                 case ATH10K_FW_IE_TIMESTAMP:
1778                         if (ie_len != sizeof(u32))
1779                                 break;
1780
1781                         timestamp = (__le32 *)data;
1782
1783                         ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
1784                                    le32_to_cpup(timestamp));
1785                         break;
1786                 case ATH10K_FW_IE_FEATURES:
1787                         ath10k_dbg(ar, ATH10K_DBG_BOOT,
1788                                    "found firmware features ie (%zd B)\n",
1789                                    ie_len);
1790
1791                         for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
1792                                 index = i / 8;
1793                                 bit = i % 8;
1794
1795                                 if (index == ie_len)
1796                                         break;
1797
1798                                 if (data[index] & (1 << bit)) {
1799                                         ath10k_dbg(ar, ATH10K_DBG_BOOT,
1800                                                    "Enabling feature bit: %i\n",
1801                                                    i);
1802                                         __set_bit(i, fw_file->fw_features);
1803                                 }
1804                         }
1805
1806                         ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
1807                                         fw_file->fw_features,
1808                                         sizeof(fw_file->fw_features));
1809                         break;
1810                 case ATH10K_FW_IE_FW_IMAGE:
1811                         ath10k_dbg(ar, ATH10K_DBG_BOOT,
1812                                    "found fw image ie (%zd B)\n",
1813                                    ie_len);
1814
1815                         fw_file->firmware_data = data;
1816                         fw_file->firmware_len = ie_len;
1817
1818                         break;
1819                 case ATH10K_FW_IE_OTP_IMAGE:
1820                         ath10k_dbg(ar, ATH10K_DBG_BOOT,
1821                                    "found otp image ie (%zd B)\n",
1822                                    ie_len);
1823
1824                         fw_file->otp_data = data;
1825                         fw_file->otp_len = ie_len;
1826
1827                         break;
1828                 case ATH10K_FW_IE_WMI_OP_VERSION:
1829                         if (ie_len != sizeof(u32))
1830                                 break;
1831
1832                         version = (__le32 *)data;
1833
1834                         fw_file->wmi_op_version = le32_to_cpup(version);
1835
1836                         ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
1837                                    fw_file->wmi_op_version);
1838                         break;
1839                 case ATH10K_FW_IE_HTT_OP_VERSION:
1840                         if (ie_len != sizeof(u32))
1841                                 break;
1842
1843                         version = (__le32 *)data;
1844
1845                         fw_file->htt_op_version = le32_to_cpup(version);
1846
1847                         ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n",
1848                                    fw_file->htt_op_version);
1849                         break;
1850                 case ATH10K_FW_IE_FW_CODE_SWAP_IMAGE:
1851                         ath10k_dbg(ar, ATH10K_DBG_BOOT,
1852                                    "found fw code swap image ie (%zd B)\n",
1853                                    ie_len);
1854                         fw_file->codeswap_data = data;
1855                         fw_file->codeswap_len = ie_len;
1856                         break;
1857                 default:
1858                         ath10k_warn(ar, "Unknown FW IE: %u\n",
1859                                     le32_to_cpu(hdr->id));
1860                         break;
1861                 }
1862
1863                 /* jump over the padding */
1864                 ie_len = ALIGN(ie_len, 4);
1865
1866                 len -= ie_len;
1867                 data += ie_len;
1868         }
1869
1870         if (!test_bit(ATH10K_FW_FEATURE_NON_BMI, fw_file->fw_features) &&
1871             (!fw_file->firmware_data || !fw_file->firmware_len)) {
1872                 ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
1873                             ar->hw_params.fw.dir, name);
1874                 ret = -ENOMEDIUM;
1875                 goto err;
1876         }
1877
1878         return 0;
1879
1880 err:
1881         ath10k_core_free_firmware_files(ar);
1882         return ret;
1883 }
1884
1885 static void ath10k_core_get_fw_name(struct ath10k *ar, char *fw_name,
1886                                     size_t fw_name_len, int fw_api)
1887 {
1888         switch (ar->hif.bus) {
1889         case ATH10K_BUS_SDIO:
1890         case ATH10K_BUS_USB:
1891                 scnprintf(fw_name, fw_name_len, "%s-%s-%d.bin",
1892                           ATH10K_FW_FILE_BASE, ath10k_bus_str(ar->hif.bus),
1893                           fw_api);
1894                 break;
1895         case ATH10K_BUS_PCI:
1896         case ATH10K_BUS_AHB:
1897         case ATH10K_BUS_SNOC:
1898                 scnprintf(fw_name, fw_name_len, "%s-%d.bin",
1899                           ATH10K_FW_FILE_BASE, fw_api);
1900                 break;
1901         }
1902 }
1903
1904 static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
1905 {
1906         int ret, i;
1907         char fw_name[100];
1908
1909         /* calibration file is optional, don't check for any errors */
1910         ath10k_fetch_cal_file(ar);
1911
1912         for (i = ATH10K_FW_API_MAX; i >= ATH10K_FW_API_MIN; i--) {
1913                 ar->fw_api = i;
1914                 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n",
1915                            ar->fw_api);
1916
1917                 ath10k_core_get_fw_name(ar, fw_name, sizeof(fw_name), ar->fw_api);
1918                 ret = ath10k_core_fetch_firmware_api_n(ar, fw_name,
1919                                                        &ar->normal_mode_fw.fw_file);
1920                 if (!ret)
1921                         goto success;
1922         }
1923
1924         /* we end up here if we couldn't fetch any firmware */
1925
1926         ath10k_err(ar, "Failed to find firmware-N.bin (N between %d and %d) from %s: %d",
1927                    ATH10K_FW_API_MIN, ATH10K_FW_API_MAX, ar->hw_params.fw.dir,
1928                    ret);
1929
1930         return ret;
1931
1932 success:
1933         ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
1934
1935         return 0;
1936 }
1937
1938 static int ath10k_core_pre_cal_download(struct ath10k *ar)
1939 {
1940         int ret;
1941
1942         ret = ath10k_download_cal_file(ar, ar->pre_cal_file);
1943         if (ret == 0) {
1944                 ar->cal_mode = ATH10K_PRE_CAL_MODE_FILE;
1945                 goto success;
1946         }
1947
1948         ath10k_dbg(ar, ATH10K_DBG_BOOT,
1949                    "boot did not find a pre calibration file, try DT next: %d\n",
1950                    ret);
1951
1952         ret = ath10k_download_cal_dt(ar, "qcom,ath10k-pre-calibration-data");
1953         if (ret) {
1954                 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1955                            "unable to load pre cal data from DT: %d\n", ret);
1956                 return ret;
1957         }
1958         ar->cal_mode = ATH10K_PRE_CAL_MODE_DT;
1959
1960 success:
1961         ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
1962                    ath10k_cal_mode_str(ar->cal_mode));
1963
1964         return 0;
1965 }
1966
1967 static int ath10k_core_pre_cal_config(struct ath10k *ar)
1968 {
1969         int ret;
1970
1971         ret = ath10k_core_pre_cal_download(ar);
1972         if (ret) {
1973                 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1974                            "failed to load pre cal data: %d\n", ret);
1975                 return ret;
1976         }
1977
1978         ret = ath10k_core_get_board_id_from_otp(ar);
1979         if (ret) {
1980                 ath10k_err(ar, "failed to get board id: %d\n", ret);
1981                 return ret;
1982         }
1983
1984         ret = ath10k_download_and_run_otp(ar);
1985         if (ret) {
1986                 ath10k_err(ar, "failed to run otp: %d\n", ret);
1987                 return ret;
1988         }
1989
1990         ath10k_dbg(ar, ATH10K_DBG_BOOT,
1991                    "pre cal configuration done successfully\n");
1992
1993         return 0;
1994 }
1995
1996 static int ath10k_download_cal_data(struct ath10k *ar)
1997 {
1998         int ret;
1999
2000         ret = ath10k_core_pre_cal_config(ar);
2001         if (ret == 0)
2002                 return 0;
2003
2004         ath10k_dbg(ar, ATH10K_DBG_BOOT,
2005                    "pre cal download procedure failed, try cal file: %d\n",
2006                    ret);
2007
2008         ret = ath10k_download_cal_file(ar, ar->cal_file);
2009         if (ret == 0) {
2010                 ar->cal_mode = ATH10K_CAL_MODE_FILE;
2011                 goto done;
2012         }
2013
2014         ath10k_dbg(ar, ATH10K_DBG_BOOT,
2015                    "boot did not find a calibration file, try DT next: %d\n",
2016                    ret);
2017
2018         ret = ath10k_download_cal_dt(ar, "qcom,ath10k-calibration-data");
2019         if (ret == 0) {
2020                 ar->cal_mode = ATH10K_CAL_MODE_DT;
2021                 goto done;
2022         }
2023
2024         ath10k_dbg(ar, ATH10K_DBG_BOOT,
2025                    "boot did not find DT entry, try target EEPROM next: %d\n",
2026                    ret);
2027
2028         ret = ath10k_download_cal_eeprom(ar);
2029         if (ret == 0) {
2030                 ar->cal_mode = ATH10K_CAL_MODE_EEPROM;
2031                 goto done;
2032         }
2033
2034         ath10k_dbg(ar, ATH10K_DBG_BOOT,
2035                    "boot did not find target EEPROM entry, try OTP next: %d\n",
2036                    ret);
2037
2038         ret = ath10k_download_and_run_otp(ar);
2039         if (ret) {
2040                 ath10k_err(ar, "failed to run otp: %d\n", ret);
2041                 return ret;
2042         }
2043
2044         ar->cal_mode = ATH10K_CAL_MODE_OTP;
2045
2046 done:
2047         ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
2048                    ath10k_cal_mode_str(ar->cal_mode));
2049         return 0;
2050 }
2051
2052 static int ath10k_init_uart(struct ath10k *ar)
2053 {
2054         int ret;
2055
2056         /*
2057          * Explicitly setting UART prints to zero as target turns it on
2058          * based on scratch registers.
2059          */
2060         ret = ath10k_bmi_write32(ar, hi_serial_enable, 0);
2061         if (ret) {
2062                 ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
2063                 return ret;
2064         }
2065
2066         if (!uart_print)
2067                 return 0;
2068
2069         ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin);
2070         if (ret) {
2071                 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
2072                 return ret;
2073         }
2074
2075         ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
2076         if (ret) {
2077                 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
2078                 return ret;
2079         }
2080
2081         /* Set the UART baud rate to 19200. */
2082         ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
2083         if (ret) {
2084                 ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
2085                 return ret;
2086         }
2087
2088         ath10k_info(ar, "UART prints enabled\n");
2089         return 0;
2090 }
2091
2092 static int ath10k_init_hw_params(struct ath10k *ar)
2093 {
2094         const struct ath10k_hw_params *uninitialized_var(hw_params);
2095         int i;
2096
2097         for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) {
2098                 hw_params = &ath10k_hw_params_list[i];
2099
2100                 if (hw_params->bus == ar->hif.bus &&
2101                     hw_params->id == ar->target_version &&
2102                     hw_params->dev_id == ar->dev_id)
2103                         break;
2104         }
2105
2106         if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
2107                 ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
2108                            ar->target_version);
2109                 return -EINVAL;
2110         }
2111
2112         ar->hw_params = *hw_params;
2113
2114         ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
2115                    ar->hw_params.name, ar->target_version);
2116
2117         return 0;
2118 }
2119
2120 static void ath10k_core_restart(struct work_struct *work)
2121 {
2122         struct ath10k *ar = container_of(work, struct ath10k, restart_work);
2123         int ret;
2124
2125         set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
2126
2127         /* Place a barrier to make sure the compiler doesn't reorder
2128          * CRASH_FLUSH and calling other functions.
2129          */
2130         barrier();
2131
2132         ieee80211_stop_queues(ar->hw);
2133         ath10k_drain_tx(ar);
2134         complete(&ar->scan.started);
2135         complete(&ar->scan.completed);
2136         complete(&ar->scan.on_channel);
2137         complete(&ar->offchan_tx_completed);
2138         complete(&ar->install_key_done);
2139         complete(&ar->vdev_setup_done);
2140         complete(&ar->thermal.wmi_sync);
2141         complete(&ar->bss_survey_done);
2142         wake_up(&ar->htt.empty_tx_wq);
2143         wake_up(&ar->wmi.tx_credits_wq);
2144         wake_up(&ar->peer_mapping_wq);
2145
2146         /* TODO: We can have one instance of cancelling coverage_class_work by
2147          * moving it to ath10k_halt(), so that both stop() and restart() would
2148          * call that but it takes conf_mutex() and if we call cancel_work_sync()
2149          * with conf_mutex it will deadlock.
2150          */
2151         cancel_work_sync(&ar->set_coverage_class_work);
2152
2153         mutex_lock(&ar->conf_mutex);
2154
2155         switch (ar->state) {
2156         case ATH10K_STATE_ON:
2157                 ar->state = ATH10K_STATE_RESTARTING;
2158                 ath10k_halt(ar);
2159                 ath10k_scan_finish(ar);
2160                 ieee80211_restart_hw(ar->hw);
2161                 break;
2162         case ATH10K_STATE_OFF:
2163                 /* this can happen if driver is being unloaded
2164                  * or if the crash happens during FW probing
2165                  */
2166                 ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
2167                 break;
2168         case ATH10K_STATE_RESTARTING:
2169                 /* hw restart might be requested from multiple places */
2170                 break;
2171         case ATH10K_STATE_RESTARTED:
2172                 ar->state = ATH10K_STATE_WEDGED;
2173                 /* fall through */
2174         case ATH10K_STATE_WEDGED:
2175                 ath10k_warn(ar, "device is wedged, will not restart\n");
2176                 break;
2177         case ATH10K_STATE_UTF:
2178                 ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
2179                 break;
2180         }
2181
2182         mutex_unlock(&ar->conf_mutex);
2183
2184         ret = ath10k_coredump_submit(ar);
2185         if (ret)
2186                 ath10k_warn(ar, "failed to send firmware crash dump via devcoredump: %d",
2187                             ret);
2188
2189         complete(&ar->driver_recovery);
2190 }
2191
2192 static void ath10k_core_set_coverage_class_work(struct work_struct *work)
2193 {
2194         struct ath10k *ar = container_of(work, struct ath10k,
2195                                          set_coverage_class_work);
2196
2197         if (ar->hw_params.hw_ops->set_coverage_class)
2198                 ar->hw_params.hw_ops->set_coverage_class(ar, -1);
2199 }
2200
2201 static int ath10k_core_init_firmware_features(struct ath10k *ar)
2202 {
2203         struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
2204         int max_num_peers;
2205
2206         if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, fw_file->fw_features) &&
2207             !test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
2208                 ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
2209                 return -EINVAL;
2210         }
2211
2212         if (fw_file->wmi_op_version >= ATH10K_FW_WMI_OP_VERSION_MAX) {
2213                 ath10k_err(ar, "unsupported WMI OP version (max %d): %d\n",
2214                            ATH10K_FW_WMI_OP_VERSION_MAX, fw_file->wmi_op_version);
2215                 return -EINVAL;
2216         }
2217
2218         ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_NATIVE_WIFI;
2219         switch (ath10k_cryptmode_param) {
2220         case ATH10K_CRYPT_MODE_HW:
2221                 clear_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2222                 clear_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
2223                 break;
2224         case ATH10K_CRYPT_MODE_SW:
2225                 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
2226                               fw_file->fw_features)) {
2227                         ath10k_err(ar, "cryptmode > 0 requires raw mode support from firmware");
2228                         return -EINVAL;
2229                 }
2230
2231                 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2232                 set_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
2233                 break;
2234         default:
2235                 ath10k_info(ar, "invalid cryptmode: %d\n",
2236                             ath10k_cryptmode_param);
2237                 return -EINVAL;
2238         }
2239
2240         ar->htt.max_num_amsdu = ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT;
2241         ar->htt.max_num_ampdu = ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT;
2242
2243         if (rawmode) {
2244                 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
2245                               fw_file->fw_features)) {
2246                         ath10k_err(ar, "rawmode = 1 requires support from firmware");
2247                         return -EINVAL;
2248                 }
2249                 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2250         }
2251
2252         if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
2253                 ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_RAW;
2254
2255                 /* Workaround:
2256                  *
2257                  * Firmware A-MSDU aggregation breaks with RAW Tx encap mode
2258                  * and causes enormous performance issues (malformed frames,
2259                  * etc).
2260                  *
2261                  * Disabling A-MSDU makes RAW mode stable with heavy traffic
2262                  * albeit a bit slower compared to regular operation.
2263                  */
2264                 ar->htt.max_num_amsdu = 1;
2265         }
2266
2267         /* Backwards compatibility for firmwares without
2268          * ATH10K_FW_IE_WMI_OP_VERSION.
2269          */
2270         if (fw_file->wmi_op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) {
2271                 if (test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
2272                         if (test_bit(ATH10K_FW_FEATURE_WMI_10_2,
2273                                      fw_file->fw_features))
2274                                 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_2;
2275                         else
2276                                 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
2277                 } else {
2278                         fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_MAIN;
2279                 }
2280         }
2281
2282         switch (fw_file->wmi_op_version) {
2283         case ATH10K_FW_WMI_OP_VERSION_MAIN:
2284                 max_num_peers = TARGET_NUM_PEERS;
2285                 ar->max_num_stations = TARGET_NUM_STATIONS;
2286                 ar->max_num_vdevs = TARGET_NUM_VDEVS;
2287                 ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC;
2288                 ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
2289                         WMI_STAT_PEER;
2290                 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2291                 break;
2292         case ATH10K_FW_WMI_OP_VERSION_10_1:
2293         case ATH10K_FW_WMI_OP_VERSION_10_2:
2294         case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2295                 if (ath10k_peer_stats_enabled(ar)) {
2296                         max_num_peers = TARGET_10X_TX_STATS_NUM_PEERS;
2297                         ar->max_num_stations = TARGET_10X_TX_STATS_NUM_STATIONS;
2298                 } else {
2299                         max_num_peers = TARGET_10X_NUM_PEERS;
2300                         ar->max_num_stations = TARGET_10X_NUM_STATIONS;
2301                 }
2302                 ar->max_num_vdevs = TARGET_10X_NUM_VDEVS;
2303                 ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
2304                 ar->fw_stats_req_mask = WMI_STAT_PEER;
2305                 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2306                 break;
2307         case ATH10K_FW_WMI_OP_VERSION_TLV:
2308                 max_num_peers = TARGET_TLV_NUM_PEERS;
2309                 ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
2310                 ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
2311                 ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS;
2312                 ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
2313                 ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS;
2314                 ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
2315                         WMI_STAT_PEER;
2316                 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2317                 ar->wmi.mgmt_max_num_pending_tx = TARGET_TLV_MGMT_NUM_MSDU_DESC;
2318                 break;
2319         case ATH10K_FW_WMI_OP_VERSION_10_4:
2320                 max_num_peers = TARGET_10_4_NUM_PEERS;
2321                 ar->max_num_stations = TARGET_10_4_NUM_STATIONS;
2322                 ar->num_active_peers = TARGET_10_4_ACTIVE_PEERS;
2323                 ar->max_num_vdevs = TARGET_10_4_NUM_VDEVS;
2324                 ar->num_tids = TARGET_10_4_TGT_NUM_TIDS;
2325                 ar->fw_stats_req_mask = WMI_10_4_STAT_PEER |
2326                                         WMI_10_4_STAT_PEER_EXTD |
2327                                         WMI_10_4_STAT_VDEV_EXTD;
2328                 ar->max_spatial_stream = ar->hw_params.max_spatial_stream;
2329                 ar->max_num_tdls_vdevs = TARGET_10_4_NUM_TDLS_VDEVS;
2330
2331                 if (test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL,
2332                              fw_file->fw_features))
2333                         ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC_PFC;
2334                 else
2335                         ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC;
2336                 break;
2337         case ATH10K_FW_WMI_OP_VERSION_UNSET:
2338         case ATH10K_FW_WMI_OP_VERSION_MAX:
2339         default:
2340                 WARN_ON(1);
2341                 return -EINVAL;
2342         }
2343
2344         if (ar->hw_params.num_peers)
2345                 ar->max_num_peers = ar->hw_params.num_peers;
2346         else
2347                 ar->max_num_peers = max_num_peers;
2348
2349         /* Backwards compatibility for firmwares without
2350          * ATH10K_FW_IE_HTT_OP_VERSION.
2351          */
2352         if (fw_file->htt_op_version == ATH10K_FW_HTT_OP_VERSION_UNSET) {
2353                 switch (fw_file->wmi_op_version) {
2354                 case ATH10K_FW_WMI_OP_VERSION_MAIN:
2355                         fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_MAIN;
2356                         break;
2357                 case ATH10K_FW_WMI_OP_VERSION_10_1:
2358                 case ATH10K_FW_WMI_OP_VERSION_10_2:
2359                 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2360                         fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_10_1;
2361                         break;
2362                 case ATH10K_FW_WMI_OP_VERSION_TLV:
2363                         fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_TLV;
2364                         break;
2365                 case ATH10K_FW_WMI_OP_VERSION_10_4:
2366                 case ATH10K_FW_WMI_OP_VERSION_UNSET:
2367                 case ATH10K_FW_WMI_OP_VERSION_MAX:
2368                         ath10k_err(ar, "htt op version not found from fw meta data");
2369                         return -EINVAL;
2370                 }
2371         }
2372
2373         return 0;
2374 }
2375
2376 static int ath10k_core_reset_rx_filter(struct ath10k *ar)
2377 {
2378         int ret;
2379         int vdev_id;
2380         int vdev_type;
2381         int vdev_subtype;
2382         const u8 *vdev_addr;
2383
2384         vdev_id = 0;
2385         vdev_type = WMI_VDEV_TYPE_STA;
2386         vdev_subtype = ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE);
2387         vdev_addr = ar->mac_addr;
2388
2389         ret = ath10k_wmi_vdev_create(ar, vdev_id, vdev_type, vdev_subtype,
2390                                      vdev_addr);
2391         if (ret) {
2392                 ath10k_err(ar, "failed to create dummy vdev: %d\n", ret);
2393                 return ret;
2394         }
2395
2396         ret = ath10k_wmi_vdev_delete(ar, vdev_id);
2397         if (ret) {
2398                 ath10k_err(ar, "failed to delete dummy vdev: %d\n", ret);
2399                 return ret;
2400         }
2401
2402         /* WMI and HTT may use separate HIF pipes and are not guaranteed to be
2403          * serialized properly implicitly.
2404          *
2405          * Moreover (most) WMI commands have no explicit acknowledges. It is
2406          * possible to infer it implicitly by poking firmware with echo
2407          * command - getting a reply means all preceding comments have been
2408          * (mostly) processed.
2409          *
2410          * In case of vdev create/delete this is sufficient.
2411          *
2412          * Without this it's possible to end up with a race when HTT Rx ring is
2413          * started before vdev create/delete hack is complete allowing a short
2414          * window of opportunity to receive (and Tx ACK) a bunch of frames.
2415          */
2416         ret = ath10k_wmi_barrier(ar);
2417         if (ret) {
2418                 ath10k_err(ar, "failed to ping firmware: %d\n", ret);
2419                 return ret;
2420         }
2421
2422         return 0;
2423 }
2424
2425 static int ath10k_core_compat_services(struct ath10k *ar)
2426 {
2427         struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
2428
2429         /* all 10.x firmware versions support thermal throttling but don't
2430          * advertise the support via service flags so we have to hardcode
2431          * it here
2432          */
2433         switch (fw_file->wmi_op_version) {
2434         case ATH10K_FW_WMI_OP_VERSION_10_1:
2435         case ATH10K_FW_WMI_OP_VERSION_10_2:
2436         case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2437         case ATH10K_FW_WMI_OP_VERSION_10_4:
2438                 set_bit(WMI_SERVICE_THERM_THROT, ar->wmi.svc_map);
2439                 break;
2440         default:
2441                 break;
2442         }
2443
2444         return 0;
2445 }
2446
2447 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
2448                       const struct ath10k_fw_components *fw)
2449 {
2450         int status;
2451         u32 val;
2452
2453         lockdep_assert_held(&ar->conf_mutex);
2454
2455         clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
2456
2457         ar->running_fw = fw;
2458
2459         if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2460                       ar->running_fw->fw_file.fw_features)) {
2461                 ath10k_bmi_start(ar);
2462
2463                 if (ath10k_init_configure_target(ar)) {
2464                         status = -EINVAL;
2465                         goto err;
2466                 }
2467
2468                 status = ath10k_download_cal_data(ar);
2469                 if (status)
2470                         goto err;
2471
2472                 /* Some of of qca988x solutions are having global reset issue
2473                  * during target initialization. Bypassing PLL setting before
2474                  * downloading firmware and letting the SoC run on REF_CLK is
2475                  * fixing the problem. Corresponding firmware change is also
2476                  * needed to set the clock source once the target is
2477                  * initialized.
2478                  */
2479                 if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT,
2480                              ar->running_fw->fw_file.fw_features)) {
2481                         status = ath10k_bmi_write32(ar, hi_skip_clock_init, 1);
2482                         if (status) {
2483                                 ath10k_err(ar, "could not write to skip_clock_init: %d\n",
2484                                            status);
2485                                 goto err;
2486                         }
2487                 }
2488
2489                 status = ath10k_download_fw(ar);
2490                 if (status)
2491                         goto err;
2492
2493                 status = ath10k_init_uart(ar);
2494                 if (status)
2495                         goto err;
2496
2497                 if (ar->hif.bus == ATH10K_BUS_SDIO)
2498                         ath10k_init_sdio(ar);
2499         }
2500
2501         ar->htc.htc_ops.target_send_suspend_complete =
2502                 ath10k_send_suspend_complete;
2503
2504         status = ath10k_htc_init(ar);
2505         if (status) {
2506                 ath10k_err(ar, "could not init HTC (%d)\n", status);
2507                 goto err;
2508         }
2509
2510         if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2511                       ar->running_fw->fw_file.fw_features)) {
2512                 status = ath10k_bmi_done(ar);
2513                 if (status)
2514                         goto err;
2515         }
2516
2517         status = ath10k_wmi_attach(ar);
2518         if (status) {
2519                 ath10k_err(ar, "WMI attach failed: %d\n", status);
2520                 goto err;
2521         }
2522
2523         status = ath10k_htt_init(ar);
2524         if (status) {
2525                 ath10k_err(ar, "failed to init htt: %d\n", status);
2526                 goto err_wmi_detach;
2527         }
2528
2529         status = ath10k_htt_tx_start(&ar->htt);
2530         if (status) {
2531                 ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
2532                 goto err_wmi_detach;
2533         }
2534
2535         /* If firmware indicates Full Rx Reorder support it must be used in a
2536          * slightly different manner. Let HTT code know.
2537          */
2538         ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
2539                                                 ar->wmi.svc_map));
2540
2541         status = ath10k_htt_rx_alloc(&ar->htt);
2542         if (status) {
2543                 ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
2544                 goto err_htt_tx_detach;
2545         }
2546
2547         status = ath10k_hif_start(ar);
2548         if (status) {
2549                 ath10k_err(ar, "could not start HIF: %d\n", status);
2550                 goto err_htt_rx_detach;
2551         }
2552
2553         status = ath10k_htc_wait_target(&ar->htc);
2554         if (status) {
2555                 ath10k_err(ar, "failed to connect to HTC: %d\n", status);
2556                 goto err_hif_stop;
2557         }
2558
2559         if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2560                 status = ath10k_htt_connect(&ar->htt);
2561                 if (status) {
2562                         ath10k_err(ar, "failed to connect htt (%d)\n", status);
2563                         goto err_hif_stop;
2564                 }
2565         }
2566
2567         status = ath10k_wmi_connect(ar);
2568         if (status) {
2569                 ath10k_err(ar, "could not connect wmi: %d\n", status);
2570                 goto err_hif_stop;
2571         }
2572
2573         status = ath10k_htc_start(&ar->htc);
2574         if (status) {
2575                 ath10k_err(ar, "failed to start htc: %d\n", status);
2576                 goto err_hif_stop;
2577         }
2578
2579         if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2580                 status = ath10k_wmi_wait_for_service_ready(ar);
2581                 if (status) {
2582                         ath10k_warn(ar, "wmi service ready event not received");
2583                         goto err_hif_stop;
2584                 }
2585         }
2586
2587         ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
2588                    ar->hw->wiphy->fw_version);
2589
2590         if (test_bit(WMI_SERVICE_EXT_RES_CFG_SUPPORT, ar->wmi.svc_map) &&
2591             mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2592                 val = 0;
2593                 if (ath10k_peer_stats_enabled(ar))
2594                         val = WMI_10_4_PEER_STATS;
2595
2596                 /* Enable vdev stats by default */
2597                 val |= WMI_10_4_VDEV_STATS;
2598
2599                 if (test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map))
2600                         val |= WMI_10_4_BSS_CHANNEL_INFO_64;
2601
2602                 /* 10.4 firmware supports BT-Coex without reloading firmware
2603                  * via pdev param. To support Bluetooth coexistence pdev param,
2604                  * WMI_COEX_GPIO_SUPPORT of extended resource config should be
2605                  * enabled always.
2606                  */
2607                 if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map) &&
2608                     test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM,
2609                              ar->running_fw->fw_file.fw_features))
2610                         val |= WMI_10_4_COEX_GPIO_SUPPORT;
2611
2612                 if (test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY,
2613                              ar->wmi.svc_map))
2614                         val |= WMI_10_4_TDLS_EXPLICIT_MODE_ONLY;
2615
2616                 if (test_bit(WMI_SERVICE_TDLS_UAPSD_BUFFER_STA,
2617                              ar->wmi.svc_map))
2618                         val |= WMI_10_4_TDLS_UAPSD_BUFFER_STA;
2619
2620                 if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI,
2621                              ar->wmi.svc_map))
2622                         val |= WMI_10_4_TX_DATA_ACK_RSSI;
2623
2624                 status = ath10k_mac_ext_resource_config(ar, val);
2625                 if (status) {
2626                         ath10k_err(ar,
2627                                    "failed to send ext resource cfg command : %d\n",
2628                                    status);
2629                         goto err_hif_stop;
2630                 }
2631         }
2632
2633         status = ath10k_wmi_cmd_init(ar);
2634         if (status) {
2635                 ath10k_err(ar, "could not send WMI init command (%d)\n",
2636                            status);
2637                 goto err_hif_stop;
2638         }
2639
2640         status = ath10k_wmi_wait_for_unified_ready(ar);
2641         if (status) {
2642                 ath10k_err(ar, "wmi unified ready event not received\n");
2643                 goto err_hif_stop;
2644         }
2645
2646         status = ath10k_core_compat_services(ar);
2647         if (status) {
2648                 ath10k_err(ar, "compat services failed: %d\n", status);
2649                 goto err_hif_stop;
2650         }
2651
2652         /* Some firmware revisions do not properly set up hardware rx filter
2653          * registers.
2654          *
2655          * A known example from QCA9880 and 10.2.4 is that MAC_PCU_ADDR1_MASK
2656          * is filled with 0s instead of 1s allowing HW to respond with ACKs to
2657          * any frames that matches MAC_PCU_RX_FILTER which is also
2658          * misconfigured to accept anything.
2659          *
2660          * The ADDR1 is programmed using internal firmware structure field and
2661          * can't be (easily/sanely) reached from the driver explicitly. It is
2662          * possible to implicitly make it correct by creating a dummy vdev and
2663          * then deleting it.
2664          */
2665         if (ar->hw_params.hw_filter_reset_required &&
2666             mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2667                 status = ath10k_core_reset_rx_filter(ar);
2668                 if (status) {
2669                         ath10k_err(ar,
2670                                    "failed to reset rx filter: %d\n", status);
2671                         goto err_hif_stop;
2672                 }
2673         }
2674
2675         status = ath10k_htt_rx_ring_refill(ar);
2676         if (status) {
2677                 ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
2678                 goto err_hif_stop;
2679         }
2680
2681         if (ar->max_num_vdevs >= 64)
2682                 ar->free_vdev_map = 0xFFFFFFFFFFFFFFFFLL;
2683         else
2684                 ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
2685
2686         INIT_LIST_HEAD(&ar->arvifs);
2687
2688         /* we don't care about HTT in UTF mode */
2689         if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2690                 status = ath10k_htt_setup(&ar->htt);
2691                 if (status) {
2692                         ath10k_err(ar, "failed to setup htt: %d\n", status);
2693                         goto err_hif_stop;
2694                 }
2695         }
2696
2697         status = ath10k_debug_start(ar);
2698         if (status)
2699                 goto err_hif_stop;
2700
2701         return 0;
2702
2703 err_hif_stop:
2704         ath10k_hif_stop(ar);
2705 err_htt_rx_detach:
2706         ath10k_htt_rx_free(&ar->htt);
2707 err_htt_tx_detach:
2708         ath10k_htt_tx_free(&ar->htt);
2709 err_wmi_detach:
2710         ath10k_wmi_detach(ar);
2711 err:
2712         return status;
2713 }
2714 EXPORT_SYMBOL(ath10k_core_start);
2715
2716 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
2717 {
2718         int ret;
2719         unsigned long time_left;
2720
2721         reinit_completion(&ar->target_suspend);
2722
2723         ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
2724         if (ret) {
2725                 ath10k_warn(ar, "could not suspend target (%d)\n", ret);
2726                 return ret;
2727         }
2728
2729         time_left = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
2730
2731         if (!time_left) {
2732                 ath10k_warn(ar, "suspend timed out - target pause event never came\n");
2733                 return -ETIMEDOUT;
2734         }
2735
2736         return 0;
2737 }
2738
2739 void ath10k_core_stop(struct ath10k *ar)
2740 {
2741         lockdep_assert_held(&ar->conf_mutex);
2742         ath10k_debug_stop(ar);
2743
2744         /* try to suspend target */
2745         if (ar->state != ATH10K_STATE_RESTARTING &&
2746             ar->state != ATH10K_STATE_UTF)
2747                 ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
2748
2749         ath10k_hif_stop(ar);
2750         ath10k_htt_tx_stop(&ar->htt);
2751         ath10k_htt_rx_free(&ar->htt);
2752         ath10k_wmi_detach(ar);
2753 }
2754 EXPORT_SYMBOL(ath10k_core_stop);
2755
2756 /* mac80211 manages fw/hw initialization through start/stop hooks. However in
2757  * order to know what hw capabilities should be advertised to mac80211 it is
2758  * necessary to load the firmware (and tear it down immediately since start
2759  * hook will try to init it again) before registering
2760  */
2761 static int ath10k_core_probe_fw(struct ath10k *ar)
2762 {
2763         struct bmi_target_info target_info;
2764         int ret = 0;
2765
2766         ret = ath10k_hif_power_up(ar);
2767         if (ret) {
2768                 ath10k_err(ar, "could not power on hif bus (%d)\n", ret);
2769                 return ret;
2770         }
2771
2772         switch (ar->hif.bus) {
2773         case ATH10K_BUS_SDIO:
2774                 memset(&target_info, 0, sizeof(target_info));
2775                 ret = ath10k_bmi_get_target_info_sdio(ar, &target_info);
2776                 if (ret) {
2777                         ath10k_err(ar, "could not get target info (%d)\n", ret);
2778                         goto err_power_down;
2779                 }
2780                 ar->target_version = target_info.version;
2781                 ar->hw->wiphy->hw_version = target_info.version;
2782                 break;
2783         case ATH10K_BUS_PCI:
2784         case ATH10K_BUS_AHB:
2785         case ATH10K_BUS_USB:
2786                 memset(&target_info, 0, sizeof(target_info));
2787                 ret = ath10k_bmi_get_target_info(ar, &target_info);
2788                 if (ret) {
2789                         ath10k_err(ar, "could not get target info (%d)\n", ret);
2790                         goto err_power_down;
2791                 }
2792                 ar->target_version = target_info.version;
2793                 ar->hw->wiphy->hw_version = target_info.version;
2794                 break;
2795         case ATH10K_BUS_SNOC:
2796                 memset(&target_info, 0, sizeof(target_info));
2797                 ret = ath10k_hif_get_target_info(ar, &target_info);
2798                 if (ret) {
2799                         ath10k_err(ar, "could not get target info (%d)\n", ret);
2800                         goto err_power_down;
2801                 }
2802                 ar->target_version = target_info.version;
2803                 ar->hw->wiphy->hw_version = target_info.version;
2804                 break;
2805         default:
2806                 ath10k_err(ar, "incorrect hif bus type: %d\n", ar->hif.bus);
2807         }
2808
2809         ret = ath10k_init_hw_params(ar);
2810         if (ret) {
2811                 ath10k_err(ar, "could not get hw params (%d)\n", ret);
2812                 goto err_power_down;
2813         }
2814
2815         ret = ath10k_core_fetch_firmware_files(ar);
2816         if (ret) {
2817                 ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
2818                 goto err_power_down;
2819         }
2820
2821         BUILD_BUG_ON(sizeof(ar->hw->wiphy->fw_version) !=
2822                      sizeof(ar->normal_mode_fw.fw_file.fw_version));
2823         memcpy(ar->hw->wiphy->fw_version, ar->normal_mode_fw.fw_file.fw_version,
2824                sizeof(ar->hw->wiphy->fw_version));
2825
2826         ath10k_debug_print_hwfw_info(ar);
2827
2828         if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2829                       ar->normal_mode_fw.fw_file.fw_features)) {
2830                 ret = ath10k_core_pre_cal_download(ar);
2831                 if (ret) {
2832                         /* pre calibration data download is not necessary
2833                          * for all the chipsets. Ignore failures and continue.
2834                          */
2835                         ath10k_dbg(ar, ATH10K_DBG_BOOT,
2836                                    "could not load pre cal data: %d\n", ret);
2837                 }
2838
2839                 ret = ath10k_core_get_board_id_from_otp(ar);
2840                 if (ret && ret != -EOPNOTSUPP) {
2841                         ath10k_err(ar, "failed to get board id from otp: %d\n",
2842                                    ret);
2843                         goto err_free_firmware_files;
2844                 }
2845
2846                 ret = ath10k_core_check_smbios(ar);
2847                 if (ret)
2848                         ath10k_dbg(ar, ATH10K_DBG_BOOT, "SMBIOS bdf variant name not set.\n");
2849
2850                 ret = ath10k_core_check_dt(ar);
2851                 if (ret)
2852                         ath10k_dbg(ar, ATH10K_DBG_BOOT, "DT bdf variant name not set.\n");
2853
2854                 ret = ath10k_core_fetch_board_file(ar, ATH10K_BD_IE_BOARD);
2855                 if (ret) {
2856                         ath10k_err(ar, "failed to fetch board file: %d\n", ret);
2857                         goto err_free_firmware_files;
2858                 }
2859
2860                 ath10k_debug_print_board_info(ar);
2861         }
2862
2863         device_get_mac_address(ar->dev, ar->mac_addr, sizeof(ar->mac_addr));
2864
2865         ret = ath10k_core_init_firmware_features(ar);
2866         if (ret) {
2867                 ath10k_err(ar, "fatal problem with firmware features: %d\n",
2868                            ret);
2869                 goto err_free_firmware_files;
2870         }
2871
2872         if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2873                       ar->normal_mode_fw.fw_file.fw_features)) {
2874                 ret = ath10k_swap_code_seg_init(ar,
2875                                                 &ar->normal_mode_fw.fw_file);
2876                 if (ret) {
2877                         ath10k_err(ar, "failed to initialize code swap segment: %d\n",
2878                                    ret);
2879                         goto err_free_firmware_files;
2880                 }
2881         }
2882
2883         mutex_lock(&ar->conf_mutex);
2884
2885         ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL,
2886                                 &ar->normal_mode_fw);
2887         if (ret) {
2888                 ath10k_err(ar, "could not init core (%d)\n", ret);
2889                 goto err_unlock;
2890         }
2891
2892         ath10k_debug_print_boot_info(ar);
2893         ath10k_core_stop(ar);
2894
2895         mutex_unlock(&ar->conf_mutex);
2896
2897         ath10k_hif_power_down(ar);
2898         return 0;
2899
2900 err_unlock:
2901         mutex_unlock(&ar->conf_mutex);
2902
2903 err_free_firmware_files:
2904         ath10k_core_free_firmware_files(ar);
2905
2906 err_power_down:
2907         ath10k_hif_power_down(ar);
2908
2909         return ret;
2910 }
2911
2912 static void ath10k_core_register_work(struct work_struct *work)
2913 {
2914         struct ath10k *ar = container_of(work, struct ath10k, register_work);
2915         int status;
2916
2917         /* peer stats are enabled by default */
2918         set_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags);
2919
2920         status = ath10k_core_probe_fw(ar);
2921         if (status) {
2922                 ath10k_err(ar, "could not probe fw (%d)\n", status);
2923                 goto err;
2924         }
2925
2926         status = ath10k_mac_register(ar);
2927         if (status) {
2928                 ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
2929                 goto err_release_fw;
2930         }
2931
2932         status = ath10k_coredump_register(ar);
2933         if (status) {
2934                 ath10k_err(ar, "unable to register coredump\n");
2935                 goto err_unregister_mac;
2936         }
2937
2938         status = ath10k_debug_register(ar);
2939         if (status) {
2940                 ath10k_err(ar, "unable to initialize debugfs\n");
2941                 goto err_unregister_coredump;
2942         }
2943
2944         status = ath10k_spectral_create(ar);
2945         if (status) {
2946                 ath10k_err(ar, "failed to initialize spectral\n");
2947                 goto err_debug_destroy;
2948         }
2949
2950         status = ath10k_thermal_register(ar);
2951         if (status) {
2952                 ath10k_err(ar, "could not register thermal device: %d\n",
2953                            status);
2954                 goto err_spectral_destroy;
2955         }
2956
2957         set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
2958         return;
2959
2960 err_spectral_destroy:
2961         ath10k_spectral_destroy(ar);
2962 err_debug_destroy:
2963         ath10k_debug_destroy(ar);
2964 err_unregister_coredump:
2965         ath10k_coredump_unregister(ar);
2966 err_unregister_mac:
2967         ath10k_mac_unregister(ar);
2968 err_release_fw:
2969         ath10k_core_free_firmware_files(ar);
2970 err:
2971         /* TODO: It's probably a good idea to release device from the driver
2972          * but calling device_release_driver() here will cause a deadlock.
2973          */
2974         return;
2975 }
2976
2977 int ath10k_core_register(struct ath10k *ar,
2978                          const struct ath10k_bus_params *bus_params)
2979 {
2980         ar->chip_id = bus_params->chip_id;
2981         ar->dev_type = bus_params->dev_type;
2982         queue_work(ar->workqueue, &ar->register_work);
2983
2984         return 0;
2985 }
2986 EXPORT_SYMBOL(ath10k_core_register);
2987
2988 void ath10k_core_unregister(struct ath10k *ar)
2989 {
2990         cancel_work_sync(&ar->register_work);
2991
2992         if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
2993                 return;
2994
2995         ath10k_thermal_unregister(ar);
2996         /* Stop spectral before unregistering from mac80211 to remove the
2997          * relayfs debugfs file cleanly. Otherwise the parent debugfs tree
2998          * would be already be free'd recursively, leading to a double free.
2999          */
3000         ath10k_spectral_destroy(ar);
3001
3002         /* We must unregister from mac80211 before we stop HTC and HIF.
3003          * Otherwise we will fail to submit commands to FW and mac80211 will be
3004          * unhappy about callback failures.
3005          */
3006         ath10k_mac_unregister(ar);
3007
3008         ath10k_testmode_destroy(ar);
3009
3010         ath10k_core_free_firmware_files(ar);
3011         ath10k_core_free_board_files(ar);
3012
3013         ath10k_debug_unregister(ar);
3014 }
3015 EXPORT_SYMBOL(ath10k_core_unregister);
3016
3017 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
3018                                   enum ath10k_bus bus,
3019                                   enum ath10k_hw_rev hw_rev,
3020                                   const struct ath10k_hif_ops *hif_ops)
3021 {
3022         struct ath10k *ar;
3023         int ret;
3024
3025         ar = ath10k_mac_create(priv_size);
3026         if (!ar)
3027                 return NULL;
3028
3029         ar->ath_common.priv = ar;
3030         ar->ath_common.hw = ar->hw;
3031         ar->dev = dev;
3032         ar->hw_rev = hw_rev;
3033         ar->hif.ops = hif_ops;
3034         ar->hif.bus = bus;
3035
3036         switch (hw_rev) {
3037         case ATH10K_HW_QCA988X:
3038         case ATH10K_HW_QCA9887:
3039                 ar->regs = &qca988x_regs;
3040                 ar->hw_ce_regs = &qcax_ce_regs;
3041                 ar->hw_values = &qca988x_values;
3042                 break;
3043         case ATH10K_HW_QCA6174:
3044         case ATH10K_HW_QCA9377:
3045                 ar->regs = &qca6174_regs;
3046                 ar->hw_ce_regs = &qcax_ce_regs;
3047                 ar->hw_values = &qca6174_values;
3048                 break;
3049         case ATH10K_HW_QCA99X0:
3050         case ATH10K_HW_QCA9984:
3051                 ar->regs = &qca99x0_regs;
3052                 ar->hw_ce_regs = &qcax_ce_regs;
3053                 ar->hw_values = &qca99x0_values;
3054                 break;
3055         case ATH10K_HW_QCA9888:
3056                 ar->regs = &qca99x0_regs;
3057                 ar->hw_ce_regs = &qcax_ce_regs;
3058                 ar->hw_values = &qca9888_values;
3059                 break;
3060         case ATH10K_HW_QCA4019:
3061                 ar->regs = &qca4019_regs;
3062                 ar->hw_ce_regs = &qcax_ce_regs;
3063                 ar->hw_values = &qca4019_values;
3064                 break;
3065         case ATH10K_HW_WCN3990:
3066                 ar->regs = &wcn3990_regs;
3067                 ar->hw_ce_regs = &wcn3990_ce_regs;
3068                 ar->hw_values = &wcn3990_values;
3069                 break;
3070         default:
3071                 ath10k_err(ar, "unsupported core hardware revision %d\n",
3072                            hw_rev);
3073                 ret = -ENOTSUPP;
3074                 goto err_free_mac;
3075         }
3076
3077         init_completion(&ar->scan.started);
3078         init_completion(&ar->scan.completed);
3079         init_completion(&ar->scan.on_channel);
3080         init_completion(&ar->target_suspend);
3081         init_completion(&ar->driver_recovery);
3082         init_completion(&ar->wow.wakeup_completed);
3083
3084         init_completion(&ar->install_key_done);
3085         init_completion(&ar->vdev_setup_done);
3086         init_completion(&ar->thermal.wmi_sync);
3087         init_completion(&ar->bss_survey_done);
3088
3089         INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
3090
3091         ar->workqueue = create_singlethread_workqueue("ath10k_wq");
3092         if (!ar->workqueue)
3093                 goto err_free_mac;
3094
3095         ar->workqueue_aux = create_singlethread_workqueue("ath10k_aux_wq");
3096         if (!ar->workqueue_aux)
3097                 goto err_free_wq;
3098
3099         mutex_init(&ar->conf_mutex);
3100         spin_lock_init(&ar->data_lock);
3101         spin_lock_init(&ar->txqs_lock);
3102
3103         INIT_LIST_HEAD(&ar->txqs);
3104         INIT_LIST_HEAD(&ar->peers);
3105         init_waitqueue_head(&ar->peer_mapping_wq);
3106         init_waitqueue_head(&ar->htt.empty_tx_wq);
3107         init_waitqueue_head(&ar->wmi.tx_credits_wq);
3108
3109         init_completion(&ar->offchan_tx_completed);
3110         INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work);
3111         skb_queue_head_init(&ar->offchan_tx_queue);
3112
3113         INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work);
3114         skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
3115
3116         INIT_WORK(&ar->register_work, ath10k_core_register_work);
3117         INIT_WORK(&ar->restart_work, ath10k_core_restart);
3118         INIT_WORK(&ar->set_coverage_class_work,
3119                   ath10k_core_set_coverage_class_work);
3120
3121         init_dummy_netdev(&ar->napi_dev);
3122
3123         ret = ath10k_coredump_create(ar);
3124         if (ret)
3125                 goto err_free_aux_wq;
3126
3127         ret = ath10k_debug_create(ar);
3128         if (ret)
3129                 goto err_free_coredump;
3130
3131         return ar;
3132
3133 err_free_coredump:
3134         ath10k_coredump_destroy(ar);
3135
3136 err_free_aux_wq:
3137         destroy_workqueue(ar->workqueue_aux);
3138 err_free_wq:
3139         destroy_workqueue(ar->workqueue);
3140
3141 err_free_mac:
3142         ath10k_mac_destroy(ar);
3143
3144         return NULL;
3145 }
3146 EXPORT_SYMBOL(ath10k_core_create);
3147
3148 void ath10k_core_destroy(struct ath10k *ar)
3149 {
3150         flush_workqueue(ar->workqueue);
3151         destroy_workqueue(ar->workqueue);
3152
3153         flush_workqueue(ar->workqueue_aux);
3154         destroy_workqueue(ar->workqueue_aux);
3155
3156         ath10k_debug_destroy(ar);
3157         ath10k_coredump_destroy(ar);
3158         ath10k_htt_tx_destroy(&ar->htt);
3159         ath10k_wmi_free_host_mem(ar);
3160         ath10k_mac_destroy(ar);
3161 }
3162 EXPORT_SYMBOL(ath10k_core_destroy);
3163
3164 MODULE_AUTHOR("Qualcomm Atheros");
3165 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ac wireless LAN cards.");
3166 MODULE_LICENSE("Dual BSD/GPL");