Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2005-2011 Atheros Communications Inc. |
| 3 | * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. |
| 4 | * |
| 5 | * Permission to use, copy, modify, and/or distribute this software for any |
| 6 | * purpose with or without fee is hereby granted, provided that the above |
| 7 | * copyright notice and this permission notice appear in all copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 16 | */ |
| 17 | |
| 18 | #include <linux/module.h> |
| 19 | #include <linux/firmware.h> |
| 20 | |
| 21 | #include "core.h" |
| 22 | #include "mac.h" |
| 23 | #include "htc.h" |
| 24 | #include "hif.h" |
| 25 | #include "wmi.h" |
| 26 | #include "bmi.h" |
| 27 | #include "debug.h" |
| 28 | #include "htt.h" |
| 29 | |
| 30 | unsigned int ath10k_debug_mask; |
| 31 | static bool uart_print; |
| 32 | static unsigned int ath10k_p2p; |
| 33 | module_param_named(debug_mask, ath10k_debug_mask, uint, 0644); |
| 34 | module_param(uart_print, bool, 0644); |
| 35 | module_param_named(p2p, ath10k_p2p, uint, 0644); |
| 36 | MODULE_PARM_DESC(debug_mask, "Debugging mask"); |
| 37 | MODULE_PARM_DESC(uart_print, "Uart target debugging"); |
| 38 | MODULE_PARM_DESC(p2p, "Enable ath10k P2P support"); |
| 39 | |
| 40 | static const struct ath10k_hw_params ath10k_hw_params_list[] = { |
| 41 | { |
| 42 | .id = QCA988X_HW_1_0_VERSION, |
| 43 | .name = "qca988x hw1.0", |
| 44 | .patch_load_addr = QCA988X_HW_1_0_PATCH_LOAD_ADDR, |
| 45 | .fw = { |
| 46 | .dir = QCA988X_HW_1_0_FW_DIR, |
| 47 | .fw = QCA988X_HW_1_0_FW_FILE, |
| 48 | .otp = QCA988X_HW_1_0_OTP_FILE, |
| 49 | .board = QCA988X_HW_1_0_BOARD_DATA_FILE, |
| 50 | }, |
| 51 | }, |
| 52 | { |
| 53 | .id = QCA988X_HW_2_0_VERSION, |
| 54 | .name = "qca988x hw2.0", |
| 55 | .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR, |
| 56 | .fw = { |
| 57 | .dir = QCA988X_HW_2_0_FW_DIR, |
| 58 | .fw = QCA988X_HW_2_0_FW_FILE, |
| 59 | .otp = QCA988X_HW_2_0_OTP_FILE, |
| 60 | .board = QCA988X_HW_2_0_BOARD_DATA_FILE, |
| 61 | }, |
| 62 | }, |
| 63 | }; |
| 64 | |
| 65 | static void ath10k_send_suspend_complete(struct ath10k *ar) |
| 66 | { |
| 67 | ath10k_dbg(ATH10K_DBG_CORE, "%s\n", __func__); |
| 68 | |
| 69 | ar->is_target_paused = true; |
| 70 | wake_up(&ar->event_queue); |
| 71 | } |
| 72 | |
| 73 | static int ath10k_check_fw_version(struct ath10k *ar) |
| 74 | { |
| 75 | char version[32]; |
| 76 | |
| 77 | if (ar->fw_version_major >= SUPPORTED_FW_MAJOR && |
| 78 | ar->fw_version_minor >= SUPPORTED_FW_MINOR && |
| 79 | ar->fw_version_release >= SUPPORTED_FW_RELEASE && |
| 80 | ar->fw_version_build >= SUPPORTED_FW_BUILD) |
| 81 | return 0; |
| 82 | |
| 83 | snprintf(version, sizeof(version), "%u.%u.%u.%u", |
| 84 | SUPPORTED_FW_MAJOR, SUPPORTED_FW_MINOR, |
| 85 | SUPPORTED_FW_RELEASE, SUPPORTED_FW_BUILD); |
| 86 | |
| 87 | ath10k_warn("WARNING: Firmware version %s is not officially supported.\n", |
| 88 | ar->hw->wiphy->fw_version); |
| 89 | ath10k_warn("Please upgrade to version %s (or newer)\n", version); |
| 90 | |
| 91 | return 0; |
| 92 | } |
| 93 | |
| 94 | static int ath10k_init_connect_htc(struct ath10k *ar) |
| 95 | { |
| 96 | int status; |
| 97 | |
| 98 | status = ath10k_wmi_connect_htc_service(ar); |
| 99 | if (status) |
| 100 | goto conn_fail; |
| 101 | |
| 102 | /* Start HTC */ |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 103 | status = ath10k_htc_start(&ar->htc); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 104 | if (status) |
| 105 | goto conn_fail; |
| 106 | |
| 107 | /* Wait for WMI event to be ready */ |
| 108 | status = ath10k_wmi_wait_for_service_ready(ar); |
| 109 | if (status <= 0) { |
| 110 | ath10k_warn("wmi service ready event not received"); |
| 111 | status = -ETIMEDOUT; |
| 112 | goto timeout; |
| 113 | } |
| 114 | |
| 115 | ath10k_dbg(ATH10K_DBG_CORE, "core wmi ready\n"); |
| 116 | return 0; |
| 117 | |
| 118 | timeout: |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 119 | ath10k_htc_stop(&ar->htc); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 120 | conn_fail: |
| 121 | return status; |
| 122 | } |
| 123 | |
| 124 | static int ath10k_init_configure_target(struct ath10k *ar) |
| 125 | { |
| 126 | u32 param_host; |
| 127 | int ret; |
| 128 | |
| 129 | /* tell target which HTC version it is used*/ |
| 130 | ret = ath10k_bmi_write32(ar, hi_app_host_interest, |
| 131 | HTC_PROTOCOL_VERSION); |
| 132 | if (ret) { |
| 133 | ath10k_err("settings HTC version failed\n"); |
| 134 | return ret; |
| 135 | } |
| 136 | |
| 137 | /* set the firmware mode to STA/IBSS/AP */ |
| 138 | ret = ath10k_bmi_read32(ar, hi_option_flag, ¶m_host); |
| 139 | if (ret) { |
| 140 | ath10k_err("setting firmware mode (1/2) failed\n"); |
| 141 | return ret; |
| 142 | } |
| 143 | |
| 144 | /* TODO following parameters need to be re-visited. */ |
| 145 | /* num_device */ |
| 146 | param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT); |
| 147 | /* Firmware mode */ |
| 148 | /* FIXME: Why FW_MODE_AP ??.*/ |
| 149 | param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT); |
| 150 | /* mac_addr_method */ |
| 151 | param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT); |
| 152 | /* firmware_bridge */ |
| 153 | param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT); |
| 154 | /* fwsubmode */ |
| 155 | param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT); |
| 156 | |
| 157 | ret = ath10k_bmi_write32(ar, hi_option_flag, param_host); |
| 158 | if (ret) { |
| 159 | ath10k_err("setting firmware mode (2/2) failed\n"); |
| 160 | return ret; |
| 161 | } |
| 162 | |
| 163 | /* We do all byte-swapping on the host */ |
| 164 | ret = ath10k_bmi_write32(ar, hi_be, 0); |
| 165 | if (ret) { |
| 166 | ath10k_err("setting host CPU BE mode failed\n"); |
| 167 | return ret; |
| 168 | } |
| 169 | |
| 170 | /* FW descriptor/Data swap flags */ |
| 171 | ret = ath10k_bmi_write32(ar, hi_fw_swap, 0); |
| 172 | |
| 173 | if (ret) { |
| 174 | ath10k_err("setting FW data/desc swap flags failed\n"); |
| 175 | return ret; |
| 176 | } |
| 177 | |
| 178 | return 0; |
| 179 | } |
| 180 | |
| 181 | static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar, |
| 182 | const char *dir, |
| 183 | const char *file) |
| 184 | { |
| 185 | char filename[100]; |
| 186 | const struct firmware *fw; |
| 187 | int ret; |
| 188 | |
| 189 | if (file == NULL) |
| 190 | return ERR_PTR(-ENOENT); |
| 191 | |
| 192 | if (dir == NULL) |
| 193 | dir = "."; |
| 194 | |
| 195 | snprintf(filename, sizeof(filename), "%s/%s", dir, file); |
| 196 | ret = request_firmware(&fw, filename, ar->dev); |
| 197 | if (ret) |
| 198 | return ERR_PTR(ret); |
| 199 | |
| 200 | return fw; |
| 201 | } |
| 202 | |
| 203 | static int ath10k_push_board_ext_data(struct ath10k *ar, |
| 204 | const struct firmware *fw) |
| 205 | { |
| 206 | u32 board_data_size = QCA988X_BOARD_DATA_SZ; |
| 207 | u32 board_ext_data_size = QCA988X_BOARD_EXT_DATA_SZ; |
| 208 | u32 board_ext_data_addr; |
| 209 | int ret; |
| 210 | |
| 211 | ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr); |
| 212 | if (ret) { |
| 213 | ath10k_err("could not read board ext data addr (%d)\n", ret); |
| 214 | return ret; |
| 215 | } |
| 216 | |
| 217 | ath10k_dbg(ATH10K_DBG_CORE, |
| 218 | "ath10k: Board extended Data download addr: 0x%x\n", |
| 219 | board_ext_data_addr); |
| 220 | |
| 221 | if (board_ext_data_addr == 0) |
| 222 | return 0; |
| 223 | |
| 224 | if (fw->size != (board_data_size + board_ext_data_size)) { |
| 225 | ath10k_err("invalid board (ext) data sizes %zu != %d+%d\n", |
| 226 | fw->size, board_data_size, board_ext_data_size); |
| 227 | return -EINVAL; |
| 228 | } |
| 229 | |
| 230 | ret = ath10k_bmi_write_memory(ar, board_ext_data_addr, |
| 231 | fw->data + board_data_size, |
| 232 | board_ext_data_size); |
| 233 | if (ret) { |
| 234 | ath10k_err("could not write board ext data (%d)\n", ret); |
| 235 | return ret; |
| 236 | } |
| 237 | |
| 238 | ret = ath10k_bmi_write32(ar, hi_board_ext_data_config, |
| 239 | (board_ext_data_size << 16) | 1); |
| 240 | if (ret) { |
| 241 | ath10k_err("could not write board ext data bit (%d)\n", ret); |
| 242 | return ret; |
| 243 | } |
| 244 | |
| 245 | return 0; |
| 246 | } |
| 247 | |
| 248 | static int ath10k_download_board_data(struct ath10k *ar) |
| 249 | { |
| 250 | u32 board_data_size = QCA988X_BOARD_DATA_SZ; |
| 251 | u32 address; |
| 252 | const struct firmware *fw; |
| 253 | int ret; |
| 254 | |
| 255 | fw = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, |
| 256 | ar->hw_params.fw.board); |
| 257 | if (IS_ERR(fw)) { |
| 258 | ath10k_err("could not fetch board data fw file (%ld)\n", |
| 259 | PTR_ERR(fw)); |
| 260 | return PTR_ERR(fw); |
| 261 | } |
| 262 | |
| 263 | ret = ath10k_push_board_ext_data(ar, fw); |
| 264 | if (ret) { |
| 265 | ath10k_err("could not push board ext data (%d)\n", ret); |
| 266 | goto exit; |
| 267 | } |
| 268 | |
| 269 | ret = ath10k_bmi_read32(ar, hi_board_data, &address); |
| 270 | if (ret) { |
| 271 | ath10k_err("could not read board data addr (%d)\n", ret); |
| 272 | goto exit; |
| 273 | } |
| 274 | |
| 275 | ret = ath10k_bmi_write_memory(ar, address, fw->data, |
| 276 | min_t(u32, board_data_size, fw->size)); |
| 277 | if (ret) { |
| 278 | ath10k_err("could not write board data (%d)\n", ret); |
| 279 | goto exit; |
| 280 | } |
| 281 | |
| 282 | ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1); |
| 283 | if (ret) { |
| 284 | ath10k_err("could not write board data bit (%d)\n", ret); |
| 285 | goto exit; |
| 286 | } |
| 287 | |
| 288 | exit: |
| 289 | release_firmware(fw); |
| 290 | return ret; |
| 291 | } |
| 292 | |
| 293 | static int ath10k_download_and_run_otp(struct ath10k *ar) |
| 294 | { |
| 295 | const struct firmware *fw; |
| 296 | u32 address; |
| 297 | u32 exec_param; |
| 298 | int ret; |
| 299 | |
| 300 | /* OTP is optional */ |
| 301 | |
| 302 | if (ar->hw_params.fw.otp == NULL) { |
| 303 | ath10k_info("otp file not defined\n"); |
| 304 | return 0; |
| 305 | } |
| 306 | |
| 307 | address = ar->hw_params.patch_load_addr; |
| 308 | |
| 309 | fw = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, |
| 310 | ar->hw_params.fw.otp); |
| 311 | if (IS_ERR(fw)) { |
| 312 | ath10k_warn("could not fetch otp (%ld)\n", PTR_ERR(fw)); |
| 313 | return 0; |
| 314 | } |
| 315 | |
| 316 | ret = ath10k_bmi_fast_download(ar, address, fw->data, fw->size); |
| 317 | if (ret) { |
| 318 | ath10k_err("could not write otp (%d)\n", ret); |
| 319 | goto exit; |
| 320 | } |
| 321 | |
| 322 | exec_param = 0; |
| 323 | ret = ath10k_bmi_execute(ar, address, &exec_param); |
| 324 | if (ret) { |
| 325 | ath10k_err("could not execute otp (%d)\n", ret); |
| 326 | goto exit; |
| 327 | } |
| 328 | |
| 329 | exit: |
| 330 | release_firmware(fw); |
| 331 | return ret; |
| 332 | } |
| 333 | |
| 334 | static int ath10k_download_fw(struct ath10k *ar) |
| 335 | { |
| 336 | const struct firmware *fw; |
| 337 | u32 address; |
| 338 | int ret; |
| 339 | |
| 340 | if (ar->hw_params.fw.fw == NULL) |
| 341 | return -EINVAL; |
| 342 | |
| 343 | address = ar->hw_params.patch_load_addr; |
| 344 | |
| 345 | fw = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, |
| 346 | ar->hw_params.fw.fw); |
| 347 | if (IS_ERR(fw)) { |
| 348 | ath10k_err("could not fetch fw (%ld)\n", PTR_ERR(fw)); |
| 349 | return PTR_ERR(fw); |
| 350 | } |
| 351 | |
| 352 | ret = ath10k_bmi_fast_download(ar, address, fw->data, fw->size); |
| 353 | if (ret) { |
| 354 | ath10k_err("could not write fw (%d)\n", ret); |
| 355 | goto exit; |
| 356 | } |
| 357 | |
| 358 | exit: |
| 359 | release_firmware(fw); |
| 360 | return ret; |
| 361 | } |
| 362 | |
| 363 | static int ath10k_init_download_firmware(struct ath10k *ar) |
| 364 | { |
| 365 | int ret; |
| 366 | |
| 367 | ret = ath10k_download_board_data(ar); |
| 368 | if (ret) |
| 369 | return ret; |
| 370 | |
| 371 | ret = ath10k_download_and_run_otp(ar); |
| 372 | if (ret) |
| 373 | return ret; |
| 374 | |
| 375 | ret = ath10k_download_fw(ar); |
| 376 | if (ret) |
| 377 | return ret; |
| 378 | |
| 379 | return ret; |
| 380 | } |
| 381 | |
| 382 | static int ath10k_init_uart(struct ath10k *ar) |
| 383 | { |
| 384 | int ret; |
| 385 | |
| 386 | /* |
| 387 | * Explicitly setting UART prints to zero as target turns it on |
| 388 | * based on scratch registers. |
| 389 | */ |
| 390 | ret = ath10k_bmi_write32(ar, hi_serial_enable, 0); |
| 391 | if (ret) { |
| 392 | ath10k_warn("could not disable UART prints (%d)\n", ret); |
| 393 | return ret; |
| 394 | } |
| 395 | |
| 396 | if (!uart_print) { |
| 397 | ath10k_info("UART prints disabled\n"); |
| 398 | return 0; |
| 399 | } |
| 400 | |
| 401 | ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, 7); |
| 402 | if (ret) { |
| 403 | ath10k_warn("could not enable UART prints (%d)\n", ret); |
| 404 | return ret; |
| 405 | } |
| 406 | |
| 407 | ret = ath10k_bmi_write32(ar, hi_serial_enable, 1); |
| 408 | if (ret) { |
| 409 | ath10k_warn("could not enable UART prints (%d)\n", ret); |
| 410 | return ret; |
| 411 | } |
| 412 | |
| 413 | ath10k_info("UART prints enabled\n"); |
| 414 | return 0; |
| 415 | } |
| 416 | |
| 417 | static int ath10k_init_hw_params(struct ath10k *ar) |
| 418 | { |
| 419 | const struct ath10k_hw_params *uninitialized_var(hw_params); |
| 420 | int i; |
| 421 | |
| 422 | for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) { |
| 423 | hw_params = &ath10k_hw_params_list[i]; |
| 424 | |
| 425 | if (hw_params->id == ar->target_version) |
| 426 | break; |
| 427 | } |
| 428 | |
| 429 | if (i == ARRAY_SIZE(ath10k_hw_params_list)) { |
| 430 | ath10k_err("Unsupported hardware version: 0x%x\n", |
| 431 | ar->target_version); |
| 432 | return -EINVAL; |
| 433 | } |
| 434 | |
| 435 | ar->hw_params = *hw_params; |
| 436 | |
| 437 | ath10k_info("Hardware name %s version 0x%x\n", |
| 438 | ar->hw_params.name, ar->target_version); |
| 439 | |
| 440 | return 0; |
| 441 | } |
| 442 | |
| 443 | struct ath10k *ath10k_core_create(void *hif_priv, struct device *dev, |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 444 | const struct ath10k_hif_ops *hif_ops) |
| 445 | { |
| 446 | struct ath10k *ar; |
| 447 | |
| 448 | ar = ath10k_mac_create(); |
| 449 | if (!ar) |
| 450 | return NULL; |
| 451 | |
| 452 | ar->ath_common.priv = ar; |
| 453 | ar->ath_common.hw = ar->hw; |
| 454 | |
| 455 | ar->p2p = !!ath10k_p2p; |
| 456 | ar->dev = dev; |
| 457 | |
| 458 | ar->hif.priv = hif_priv; |
| 459 | ar->hif.ops = hif_ops; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 460 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 461 | init_completion(&ar->scan.started); |
| 462 | init_completion(&ar->scan.completed); |
| 463 | init_completion(&ar->scan.on_channel); |
| 464 | |
| 465 | init_completion(&ar->install_key_done); |
| 466 | init_completion(&ar->vdev_setup_done); |
| 467 | |
| 468 | setup_timer(&ar->scan.timeout, ath10k_reset_scan, (unsigned long)ar); |
| 469 | |
| 470 | ar->workqueue = create_singlethread_workqueue("ath10k_wq"); |
| 471 | if (!ar->workqueue) |
| 472 | goto err_wq; |
| 473 | |
| 474 | mutex_init(&ar->conf_mutex); |
| 475 | spin_lock_init(&ar->data_lock); |
| 476 | |
| 477 | INIT_LIST_HEAD(&ar->peers); |
| 478 | init_waitqueue_head(&ar->peer_mapping_wq); |
| 479 | |
| 480 | init_completion(&ar->offchan_tx_completed); |
| 481 | INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work); |
| 482 | skb_queue_head_init(&ar->offchan_tx_queue); |
| 483 | |
| 484 | init_waitqueue_head(&ar->event_queue); |
| 485 | |
| 486 | return ar; |
| 487 | |
| 488 | err_wq: |
| 489 | ath10k_mac_destroy(ar); |
| 490 | return NULL; |
| 491 | } |
| 492 | EXPORT_SYMBOL(ath10k_core_create); |
| 493 | |
| 494 | void ath10k_core_destroy(struct ath10k *ar) |
| 495 | { |
| 496 | flush_workqueue(ar->workqueue); |
| 497 | destroy_workqueue(ar->workqueue); |
| 498 | |
| 499 | ath10k_mac_destroy(ar); |
| 500 | } |
| 501 | EXPORT_SYMBOL(ath10k_core_destroy); |
| 502 | |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 503 | int ath10k_core_start(struct ath10k *ar) |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 504 | { |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 505 | struct bmi_target_info target_info; |
| 506 | int status; |
| 507 | |
Michal Kazior | 64d151d | 2013-07-16 09:38:53 +0200 | [diff] [blame] | 508 | ath10k_bmi_start(ar); |
| 509 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 510 | memset(&target_info, 0, sizeof(target_info)); |
| 511 | status = ath10k_bmi_get_target_info(ar, &target_info); |
| 512 | if (status) |
| 513 | goto err; |
| 514 | |
| 515 | ar->target_version = target_info.version; |
| 516 | ar->hw->wiphy->hw_version = target_info.version; |
| 517 | |
| 518 | status = ath10k_init_hw_params(ar); |
| 519 | if (status) |
| 520 | goto err; |
| 521 | |
| 522 | if (ath10k_init_configure_target(ar)) { |
| 523 | status = -EINVAL; |
| 524 | goto err; |
| 525 | } |
| 526 | |
| 527 | status = ath10k_init_download_firmware(ar); |
| 528 | if (status) |
| 529 | goto err; |
| 530 | |
| 531 | status = ath10k_init_uart(ar); |
| 532 | if (status) |
| 533 | goto err; |
| 534 | |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 535 | ar->htc.htc_ops.target_send_suspend_complete = |
| 536 | ath10k_send_suspend_complete; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 537 | |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 538 | status = ath10k_htc_init(ar); |
| 539 | if (status) { |
| 540 | ath10k_err("could not init HTC (%d)\n", status); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 541 | goto err; |
| 542 | } |
| 543 | |
| 544 | status = ath10k_bmi_done(ar); |
| 545 | if (status) |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 546 | goto err; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 547 | |
| 548 | status = ath10k_wmi_attach(ar); |
| 549 | if (status) { |
| 550 | ath10k_err("WMI attach failed: %d\n", status); |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 551 | goto err; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 552 | } |
| 553 | |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 554 | status = ath10k_htc_wait_target(&ar->htc); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 555 | if (status) |
| 556 | goto err_wmi_detach; |
| 557 | |
Michal Kazior | edb8236 | 2013-07-05 16:15:14 +0300 | [diff] [blame] | 558 | status = ath10k_htt_attach(ar); |
| 559 | if (status) { |
| 560 | ath10k_err("could not attach htt (%d)\n", status); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 561 | goto err_wmi_detach; |
| 562 | } |
| 563 | |
| 564 | status = ath10k_init_connect_htc(ar); |
| 565 | if (status) |
| 566 | goto err_htt_detach; |
| 567 | |
| 568 | ath10k_info("firmware %s booted\n", ar->hw->wiphy->fw_version); |
| 569 | |
| 570 | status = ath10k_check_fw_version(ar); |
| 571 | if (status) |
| 572 | goto err_disconnect_htc; |
| 573 | |
| 574 | status = ath10k_wmi_cmd_init(ar); |
| 575 | if (status) { |
| 576 | ath10k_err("could not send WMI init command (%d)\n", status); |
| 577 | goto err_disconnect_htc; |
| 578 | } |
| 579 | |
| 580 | status = ath10k_wmi_wait_for_unified_ready(ar); |
| 581 | if (status <= 0) { |
| 582 | ath10k_err("wmi unified ready event not received\n"); |
| 583 | status = -ETIMEDOUT; |
| 584 | goto err_disconnect_htc; |
| 585 | } |
| 586 | |
Michal Kazior | edb8236 | 2013-07-05 16:15:14 +0300 | [diff] [blame] | 587 | status = ath10k_htt_attach_target(&ar->htt); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 588 | if (status) |
| 589 | goto err_disconnect_htc; |
| 590 | |
Michal Kazior | 1a1b8a8 | 2013-07-16 09:38:55 +0200 | [diff] [blame] | 591 | ar->free_vdev_map = (1 << TARGET_NUM_VDEVS) - 1; |
| 592 | |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 593 | return 0; |
| 594 | |
| 595 | err_disconnect_htc: |
| 596 | ath10k_htc_stop(&ar->htc); |
| 597 | err_htt_detach: |
| 598 | ath10k_htt_detach(&ar->htt); |
| 599 | err_wmi_detach: |
| 600 | ath10k_wmi_detach(ar); |
| 601 | err: |
| 602 | return status; |
| 603 | } |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame^] | 604 | EXPORT_SYMBOL(ath10k_core_start); |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 605 | |
| 606 | void ath10k_core_stop(struct ath10k *ar) |
| 607 | { |
| 608 | ath10k_htc_stop(&ar->htc); |
| 609 | ath10k_htt_detach(&ar->htt); |
| 610 | ath10k_wmi_detach(ar); |
| 611 | } |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame^] | 612 | EXPORT_SYMBOL(ath10k_core_stop); |
| 613 | |
| 614 | /* mac80211 manages fw/hw initialization through start/stop hooks. However in |
| 615 | * order to know what hw capabilities should be advertised to mac80211 it is |
| 616 | * necessary to load the firmware (and tear it down immediately since start |
| 617 | * hook will try to init it again) before registering */ |
| 618 | static int ath10k_core_probe_fw(struct ath10k *ar) |
| 619 | { |
| 620 | int ret; |
| 621 | |
| 622 | ret = ath10k_hif_power_up(ar); |
| 623 | if (ret) { |
| 624 | ath10k_err("could not start pci hif (%d)\n", ret); |
| 625 | return ret; |
| 626 | } |
| 627 | |
| 628 | ret = ath10k_core_start(ar); |
| 629 | if (ret) { |
| 630 | ath10k_err("could not init core (%d)\n", ret); |
| 631 | ath10k_hif_power_down(ar); |
| 632 | return ret; |
| 633 | } |
| 634 | |
| 635 | ath10k_core_stop(ar); |
| 636 | ath10k_hif_power_down(ar); |
| 637 | return 0; |
| 638 | } |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 639 | |
| 640 | int ath10k_core_register(struct ath10k *ar) |
| 641 | { |
| 642 | int status; |
| 643 | |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame^] | 644 | status = ath10k_core_probe_fw(ar); |
| 645 | if (status) { |
| 646 | ath10k_err("could not probe fw (%d)\n", status); |
| 647 | return status; |
| 648 | } |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 649 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 650 | status = ath10k_mac_register(ar); |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame^] | 651 | if (status) { |
| 652 | ath10k_err("could not register to mac80211 (%d)\n", status); |
| 653 | return status; |
| 654 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 655 | |
| 656 | status = ath10k_debug_create(ar); |
| 657 | if (status) { |
| 658 | ath10k_err("unable to initialize debugfs\n"); |
| 659 | goto err_unregister_mac; |
| 660 | } |
| 661 | |
| 662 | return 0; |
| 663 | |
| 664 | err_unregister_mac: |
| 665 | ath10k_mac_unregister(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 666 | return status; |
| 667 | } |
| 668 | EXPORT_SYMBOL(ath10k_core_register); |
| 669 | |
| 670 | void ath10k_core_unregister(struct ath10k *ar) |
| 671 | { |
| 672 | /* We must unregister from mac80211 before we stop HTC and HIF. |
| 673 | * Otherwise we will fail to submit commands to FW and mac80211 will be |
| 674 | * unhappy about callback failures. */ |
| 675 | ath10k_mac_unregister(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 676 | } |
| 677 | EXPORT_SYMBOL(ath10k_core_unregister); |
| 678 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 679 | MODULE_AUTHOR("Qualcomm Atheros"); |
| 680 | MODULE_DESCRIPTION("Core module for QCA988X PCIe devices."); |
| 681 | MODULE_LICENSE("Dual BSD/GPL"); |