1 2 /* 3 * Copyright (c) 2011 Atheros Communications Inc. 4 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. 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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 20 21 #include <linux/moduleparam.h> 22 #include <linux/errno.h> 23 #include <linux/export.h> 24 #include <linux/of.h> 25 #include <linux/mmc/sdio_func.h> 26 #include <linux/vmalloc.h> 27 28 #include "core.h" 29 #include "cfg80211.h" 30 #include "target.h" 31 #include "debug.h" 32 #include "hif-ops.h" 33 #include "htc-ops.h" 34 35 static const struct ath6kl_hw hw_list[] = { 36 { 37 .id = AR6003_HW_2_0_VERSION, 38 .name = "ar6003 hw 2.0", 39 .dataset_patch_addr = 0x57e884, 40 .app_load_addr = 0x543180, 41 .board_ext_data_addr = 0x57e500, 42 .reserved_ram_size = 6912, 43 .refclk_hz = 26000000, 44 .uarttx_pin = 8, 45 .flags = ATH6KL_HW_SDIO_CRC_ERROR_WAR, 46 47 /* hw2.0 needs override address hardcoded */ 48 .app_start_override_addr = 0x944C00, 49 50 .fw = { 51 .dir = AR6003_HW_2_0_FW_DIR, 52 .otp = AR6003_HW_2_0_OTP_FILE, 53 .fw = AR6003_HW_2_0_FIRMWARE_FILE, 54 .tcmd = AR6003_HW_2_0_TCMD_FIRMWARE_FILE, 55 .patch = AR6003_HW_2_0_PATCH_FILE, 56 }, 57 58 .fw_board = AR6003_HW_2_0_BOARD_DATA_FILE, 59 .fw_default_board = AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE, 60 }, 61 { 62 .id = AR6003_HW_2_1_1_VERSION, 63 .name = "ar6003 hw 2.1.1", 64 .dataset_patch_addr = 0x57ff74, 65 .app_load_addr = 0x1234, 66 .board_ext_data_addr = 0x542330, 67 .reserved_ram_size = 512, 68 .refclk_hz = 26000000, 69 .uarttx_pin = 8, 70 .testscript_addr = 0x57ef74, 71 .flags = ATH6KL_HW_SDIO_CRC_ERROR_WAR, 72 73 .fw = { 74 .dir = AR6003_HW_2_1_1_FW_DIR, 75 .otp = AR6003_HW_2_1_1_OTP_FILE, 76 .fw = AR6003_HW_2_1_1_FIRMWARE_FILE, 77 .tcmd = AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE, 78 .patch = AR6003_HW_2_1_1_PATCH_FILE, 79 .utf = AR6003_HW_2_1_1_UTF_FIRMWARE_FILE, 80 .testscript = AR6003_HW_2_1_1_TESTSCRIPT_FILE, 81 }, 82 83 .fw_board = AR6003_HW_2_1_1_BOARD_DATA_FILE, 84 .fw_default_board = AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE, 85 }, 86 { 87 .id = AR6004_HW_1_0_VERSION, 88 .name = "ar6004 hw 1.0", 89 .dataset_patch_addr = 0x57e884, 90 .app_load_addr = 0x1234, 91 .board_ext_data_addr = 0x437000, 92 .reserved_ram_size = 19456, 93 .board_addr = 0x433900, 94 .refclk_hz = 26000000, 95 .uarttx_pin = 11, 96 .flags = 0, 97 98 .fw = { 99 .dir = AR6004_HW_1_0_FW_DIR, 100 .fw = AR6004_HW_1_0_FIRMWARE_FILE, 101 }, 102 103 .fw_board = AR6004_HW_1_0_BOARD_DATA_FILE, 104 .fw_default_board = AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE, 105 }, 106 { 107 .id = AR6004_HW_1_1_VERSION, 108 .name = "ar6004 hw 1.1", 109 .dataset_patch_addr = 0x57e884, 110 .app_load_addr = 0x1234, 111 .board_ext_data_addr = 0x437000, 112 .reserved_ram_size = 11264, 113 .board_addr = 0x43d400, 114 .refclk_hz = 40000000, 115 .uarttx_pin = 11, 116 .flags = 0, 117 .fw = { 118 .dir = AR6004_HW_1_1_FW_DIR, 119 .fw = AR6004_HW_1_1_FIRMWARE_FILE, 120 }, 121 122 .fw_board = AR6004_HW_1_1_BOARD_DATA_FILE, 123 .fw_default_board = AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE, 124 }, 125 { 126 .id = AR6004_HW_1_2_VERSION, 127 .name = "ar6004 hw 1.2", 128 .dataset_patch_addr = 0x436ecc, 129 .app_load_addr = 0x1234, 130 .board_ext_data_addr = 0x437000, 131 .reserved_ram_size = 9216, 132 .board_addr = 0x435c00, 133 .refclk_hz = 40000000, 134 .uarttx_pin = 11, 135 .flags = 0, 136 137 .fw = { 138 .dir = AR6004_HW_1_2_FW_DIR, 139 .fw = AR6004_HW_1_2_FIRMWARE_FILE, 140 }, 141 .fw_board = AR6004_HW_1_2_BOARD_DATA_FILE, 142 .fw_default_board = AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE, 143 }, 144 { 145 .id = AR6004_HW_1_3_VERSION, 146 .name = "ar6004 hw 1.3", 147 .dataset_patch_addr = 0x437860, 148 .app_load_addr = 0x1234, 149 .board_ext_data_addr = 0x437000, 150 .reserved_ram_size = 7168, 151 .board_addr = 0x436400, 152 .refclk_hz = 0, 153 .uarttx_pin = 11, 154 .flags = 0, 155 156 .fw = { 157 .dir = AR6004_HW_1_3_FW_DIR, 158 .fw = AR6004_HW_1_3_FIRMWARE_FILE, 159 .tcmd = AR6004_HW_1_3_TCMD_FIRMWARE_FILE, 160 .utf = AR6004_HW_1_3_UTF_FIRMWARE_FILE, 161 .testscript = AR6004_HW_1_3_TESTSCRIPT_FILE, 162 }, 163 164 .fw_board = AR6004_HW_1_3_BOARD_DATA_FILE, 165 .fw_default_board = AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE, 166 }, 167 { 168 .id = AR6004_HW_3_0_VERSION, 169 .name = "ar6004 hw 3.0", 170 .dataset_patch_addr = 0, 171 .app_load_addr = 0x1234, 172 .board_ext_data_addr = 0, 173 .reserved_ram_size = 7168, 174 .board_addr = 0x436400, 175 .testscript_addr = 0, 176 .uarttx_pin = 11, 177 .flags = 0, 178 179 .fw = { 180 .dir = AR6004_HW_3_0_FW_DIR, 181 .fw = AR6004_HW_3_0_FIRMWARE_FILE, 182 .tcmd = AR6004_HW_3_0_TCMD_FIRMWARE_FILE, 183 .utf = AR6004_HW_3_0_UTF_FIRMWARE_FILE, 184 .testscript = AR6004_HW_3_0_TESTSCRIPT_FILE, 185 }, 186 187 .fw_board = AR6004_HW_3_0_BOARD_DATA_FILE, 188 .fw_default_board = AR6004_HW_3_0_DEFAULT_BOARD_DATA_FILE, 189 }, 190 }; 191 192 /* 193 * Include definitions here that can be used to tune the WLAN module 194 * behavior. Different customers can tune the behavior as per their needs, 195 * here. 196 */ 197 198 /* 199 * This configuration item enable/disable keepalive support. 200 * Keepalive support: In the absence of any data traffic to AP, null 201 * frames will be sent to the AP at periodic interval, to keep the association 202 * active. This configuration item defines the periodic interval. 203 * Use value of zero to disable keepalive support 204 * Default: 60 seconds 205 */ 206 #define WLAN_CONFIG_KEEP_ALIVE_INTERVAL 60 207 208 /* 209 * This configuration item sets the value of disconnect timeout 210 * Firmware delays sending the disconnec event to the host for this 211 * timeout after is gets disconnected from the current AP. 212 * If the firmware successly roams within the disconnect timeout 213 * it sends a new connect event 214 */ 215 #define WLAN_CONFIG_DISCONNECT_TIMEOUT 10 216 217 218 #define ATH6KL_DATA_OFFSET 64 219 struct sk_buff *ath6kl_buf_alloc(int size) 220 { 221 struct sk_buff *skb; 222 u16 reserved; 223 224 /* Add chacheline space at front and back of buffer */ 225 reserved = roundup((2 * L1_CACHE_BYTES) + ATH6KL_DATA_OFFSET + 226 sizeof(struct htc_packet) + ATH6KL_HTC_ALIGN_BYTES, 4); 227 skb = dev_alloc_skb(size + reserved); 228 229 if (skb) 230 skb_reserve(skb, reserved - L1_CACHE_BYTES); 231 return skb; 232 } 233 234 void ath6kl_init_profile_info(struct ath6kl_vif *vif) 235 { 236 vif->ssid_len = 0; 237 memset(vif->ssid, 0, sizeof(vif->ssid)); 238 239 vif->dot11_auth_mode = OPEN_AUTH; 240 vif->auth_mode = NONE_AUTH; 241 vif->prwise_crypto = NONE_CRYPT; 242 vif->prwise_crypto_len = 0; 243 vif->grp_crypto = NONE_CRYPT; 244 vif->grp_crypto_len = 0; 245 memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); 246 memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 247 memset(vif->bssid, 0, sizeof(vif->bssid)); 248 vif->bss_ch = 0; 249 } 250 251 static int ath6kl_set_host_app_area(struct ath6kl *ar) 252 { 253 u32 address, data; 254 struct host_app_area host_app_area; 255 256 /* Fetch the address of the host_app_area_s 257 * instance in the host interest area */ 258 address = ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_app_host_interest)); 259 address = TARG_VTOP(ar->target_type, address); 260 261 if (ath6kl_diag_read32(ar, address, &data)) 262 return -EIO; 263 264 address = TARG_VTOP(ar->target_type, data); 265 host_app_area.wmi_protocol_ver = cpu_to_le32(WMI_PROTOCOL_VERSION); 266 if (ath6kl_diag_write(ar, address, (u8 *) &host_app_area, 267 sizeof(struct host_app_area))) 268 return -EIO; 269 270 return 0; 271 } 272 273 static inline void set_ac2_ep_map(struct ath6kl *ar, 274 u8 ac, 275 enum htc_endpoint_id ep) 276 { 277 ar->ac2ep_map[ac] = ep; 278 ar->ep2ac_map[ep] = ac; 279 } 280 281 /* connect to a service */ 282 static int ath6kl_connectservice(struct ath6kl *ar, 283 struct htc_service_connect_req *con_req, 284 char *desc) 285 { 286 int status; 287 struct htc_service_connect_resp response; 288 289 memset(&response, 0, sizeof(response)); 290 291 status = ath6kl_htc_conn_service(ar->htc_target, con_req, &response); 292 if (status) { 293 ath6kl_err("failed to connect to %s service status:%d\n", 294 desc, status); 295 return status; 296 } 297 298 switch (con_req->svc_id) { 299 case WMI_CONTROL_SVC: 300 if (test_bit(WMI_ENABLED, &ar->flag)) 301 ath6kl_wmi_set_control_ep(ar->wmi, response.endpoint); 302 ar->ctrl_ep = response.endpoint; 303 break; 304 case WMI_DATA_BE_SVC: 305 set_ac2_ep_map(ar, WMM_AC_BE, response.endpoint); 306 break; 307 case WMI_DATA_BK_SVC: 308 set_ac2_ep_map(ar, WMM_AC_BK, response.endpoint); 309 break; 310 case WMI_DATA_VI_SVC: 311 set_ac2_ep_map(ar, WMM_AC_VI, response.endpoint); 312 break; 313 case WMI_DATA_VO_SVC: 314 set_ac2_ep_map(ar, WMM_AC_VO, response.endpoint); 315 break; 316 default: 317 ath6kl_err("service id is not mapped %d\n", con_req->svc_id); 318 return -EINVAL; 319 } 320 321 return 0; 322 } 323 324 static int ath6kl_init_service_ep(struct ath6kl *ar) 325 { 326 struct htc_service_connect_req connect; 327 328 memset(&connect, 0, sizeof(connect)); 329 330 /* these fields are the same for all service endpoints */ 331 connect.ep_cb.tx_comp_multi = ath6kl_tx_complete; 332 connect.ep_cb.rx = ath6kl_rx; 333 connect.ep_cb.rx_refill = ath6kl_rx_refill; 334 connect.ep_cb.tx_full = ath6kl_tx_queue_full; 335 336 /* 337 * Set the max queue depth so that our ath6kl_tx_queue_full handler 338 * gets called. 339 */ 340 connect.max_txq_depth = MAX_DEFAULT_SEND_QUEUE_DEPTH; 341 connect.ep_cb.rx_refill_thresh = ATH6KL_MAX_RX_BUFFERS / 4; 342 if (!connect.ep_cb.rx_refill_thresh) 343 connect.ep_cb.rx_refill_thresh++; 344 345 /* connect to control service */ 346 connect.svc_id = WMI_CONTROL_SVC; 347 if (ath6kl_connectservice(ar, &connect, "WMI CONTROL")) 348 return -EIO; 349 350 connect.flags |= HTC_FLGS_TX_BNDL_PAD_EN; 351 352 /* 353 * Limit the HTC message size on the send path, although e can 354 * receive A-MSDU frames of 4K, we will only send ethernet-sized 355 * (802.3) frames on the send path. 356 */ 357 connect.max_rxmsg_sz = WMI_MAX_TX_DATA_FRAME_LENGTH; 358 359 /* 360 * To reduce the amount of committed memory for larger A_MSDU 361 * frames, use the recv-alloc threshold mechanism for larger 362 * packets. 363 */ 364 connect.ep_cb.rx_alloc_thresh = ATH6KL_BUFFER_SIZE; 365 connect.ep_cb.rx_allocthresh = ath6kl_alloc_amsdu_rxbuf; 366 367 /* 368 * For the remaining data services set the connection flag to 369 * reduce dribbling, if configured to do so. 370 */ 371 connect.conn_flags |= HTC_CONN_FLGS_REDUCE_CRED_DRIB; 372 connect.conn_flags &= ~HTC_CONN_FLGS_THRESH_MASK; 373 connect.conn_flags |= HTC_CONN_FLGS_THRESH_LVL_HALF; 374 375 connect.svc_id = WMI_DATA_BE_SVC; 376 377 if (ath6kl_connectservice(ar, &connect, "WMI DATA BE")) 378 return -EIO; 379 380 /* connect to back-ground map this to WMI LOW_PRI */ 381 connect.svc_id = WMI_DATA_BK_SVC; 382 if (ath6kl_connectservice(ar, &connect, "WMI DATA BK")) 383 return -EIO; 384 385 /* connect to Video service, map this to HI PRI */ 386 connect.svc_id = WMI_DATA_VI_SVC; 387 if (ath6kl_connectservice(ar, &connect, "WMI DATA VI")) 388 return -EIO; 389 390 /* 391 * Connect to VO service, this is currently not mapped to a WMI 392 * priority stream due to historical reasons. WMI originally 393 * defined 3 priorities over 3 mailboxes We can change this when 394 * WMI is reworked so that priorities are not dependent on 395 * mailboxes. 396 */ 397 connect.svc_id = WMI_DATA_VO_SVC; 398 if (ath6kl_connectservice(ar, &connect, "WMI DATA VO")) 399 return -EIO; 400 401 return 0; 402 } 403 404 void ath6kl_init_control_info(struct ath6kl_vif *vif) 405 { 406 ath6kl_init_profile_info(vif); 407 vif->def_txkey_index = 0; 408 memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); 409 vif->ch_hint = 0; 410 } 411 412 /* 413 * Set HTC/Mbox operational parameters, this can only be called when the 414 * target is in the BMI phase. 415 */ 416 static int ath6kl_set_htc_params(struct ath6kl *ar, u32 mbox_isr_yield_val, 417 u8 htc_ctrl_buf) 418 { 419 int status; 420 u32 blk_size; 421 422 blk_size = ar->mbox_info.block_size; 423 424 if (htc_ctrl_buf) 425 blk_size |= ((u32)htc_ctrl_buf) << 16; 426 427 /* set the host interest area for the block size */ 428 status = ath6kl_bmi_write_hi32(ar, hi_mbox_io_block_sz, blk_size); 429 if (status) { 430 ath6kl_err("bmi_write_memory for IO block size failed\n"); 431 goto out; 432 } 433 434 ath6kl_dbg(ATH6KL_DBG_TRC, "block size set: %d (target addr:0x%X)\n", 435 blk_size, 436 ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_mbox_io_block_sz))); 437 438 if (mbox_isr_yield_val) { 439 /* set the host interest area for the mbox ISR yield limit */ 440 status = ath6kl_bmi_write_hi32(ar, hi_mbox_isr_yield_limit, 441 mbox_isr_yield_val); 442 if (status) { 443 ath6kl_err("bmi_write_memory for yield limit failed\n"); 444 goto out; 445 } 446 } 447 448 out: 449 return status; 450 } 451 452 static int ath6kl_target_config_wlan_params(struct ath6kl *ar, int idx) 453 { 454 int ret; 455 456 /* 457 * Configure the device for rx dot11 header rules. "0,0" are the 458 * default values. Required if checksum offload is needed. Set 459 * RxMetaVersion to 2. 460 */ 461 ret = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, idx, 462 ar->rx_meta_ver, 0, 0); 463 if (ret) { 464 ath6kl_err("unable to set the rx frame format: %d\n", ret); 465 return ret; 466 } 467 468 if (ar->conf_flags & ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN) { 469 ret = ath6kl_wmi_pmparams_cmd(ar->wmi, idx, 0, 1, 0, 0, 1, 470 IGNORE_PS_FAIL_DURING_SCAN); 471 if (ret) { 472 ath6kl_err("unable to set power save fail event policy: %d\n", 473 ret); 474 return ret; 475 } 476 } 477 478 if (!(ar->conf_flags & ATH6KL_CONF_IGNORE_ERP_BARKER)) { 479 ret = ath6kl_wmi_set_lpreamble_cmd(ar->wmi, idx, 0, 480 WMI_FOLLOW_BARKER_IN_ERP); 481 if (ret) { 482 ath6kl_err("unable to set barker preamble policy: %d\n", 483 ret); 484 return ret; 485 } 486 } 487 488 ret = ath6kl_wmi_set_keepalive_cmd(ar->wmi, idx, 489 WLAN_CONFIG_KEEP_ALIVE_INTERVAL); 490 if (ret) { 491 ath6kl_err("unable to set keep alive interval: %d\n", ret); 492 return ret; 493 } 494 495 ret = ath6kl_wmi_disctimeout_cmd(ar->wmi, idx, 496 WLAN_CONFIG_DISCONNECT_TIMEOUT); 497 if (ret) { 498 ath6kl_err("unable to set disconnect timeout: %d\n", ret); 499 return ret; 500 } 501 502 if (!(ar->conf_flags & ATH6KL_CONF_ENABLE_TX_BURST)) { 503 ret = ath6kl_wmi_set_wmm_txop(ar->wmi, idx, WMI_TXOP_DISABLED); 504 if (ret) { 505 ath6kl_err("unable to set txop bursting: %d\n", ret); 506 return ret; 507 } 508 } 509 510 if (ar->p2p && (ar->vif_max == 1 || idx)) { 511 ret = ath6kl_wmi_info_req_cmd(ar->wmi, idx, 512 P2P_FLAG_CAPABILITIES_REQ | 513 P2P_FLAG_MACADDR_REQ | 514 P2P_FLAG_HMODEL_REQ); 515 if (ret) { 516 ath6kl_dbg(ATH6KL_DBG_TRC, 517 "failed to request P2P capabilities (%d) - assuming P2P not supported\n", 518 ret); 519 ar->p2p = false; 520 } 521 } 522 523 if (ar->p2p && (ar->vif_max == 1 || idx)) { 524 /* Enable Probe Request reporting for P2P */ 525 ret = ath6kl_wmi_probe_report_req_cmd(ar->wmi, idx, true); 526 if (ret) { 527 ath6kl_dbg(ATH6KL_DBG_TRC, 528 "failed to enable Probe Request reporting (%d)\n", 529 ret); 530 } 531 } 532 533 return ret; 534 } 535 536 int ath6kl_configure_target(struct ath6kl *ar) 537 { 538 u32 param, ram_reserved_size; 539 u8 fw_iftype, fw_mode = 0, fw_submode = 0; 540 int i, status; 541 542 param = !!(ar->conf_flags & ATH6KL_CONF_UART_DEBUG); 543 if (ath6kl_bmi_write_hi32(ar, hi_serial_enable, param)) { 544 ath6kl_err("bmi_write_memory for uart debug failed\n"); 545 return -EIO; 546 } 547 548 /* 549 * Note: Even though the firmware interface type is 550 * chosen as BSS_STA for all three interfaces, can 551 * be configured to IBSS/AP as long as the fw submode 552 * remains normal mode (0 - AP, STA and IBSS). But 553 * due to an target assert in firmware only one interface is 554 * configured for now. 555 */ 556 fw_iftype = HI_OPTION_FW_MODE_BSS_STA; 557 558 for (i = 0; i < ar->vif_max; i++) 559 fw_mode |= fw_iftype << (i * HI_OPTION_FW_MODE_BITS); 560 561 /* 562 * Submodes when fw does not support dynamic interface 563 * switching: 564 * vif[0] - AP/STA/IBSS 565 * vif[1] - "P2P dev"/"P2P GO"/"P2P Client" 566 * vif[2] - "P2P dev"/"P2P GO"/"P2P Client" 567 * Otherwise, All the interface are initialized to p2p dev. 568 */ 569 570 if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 571 ar->fw_capabilities)) { 572 for (i = 0; i < ar->vif_max; i++) 573 fw_submode |= HI_OPTION_FW_SUBMODE_P2PDEV << 574 (i * HI_OPTION_FW_SUBMODE_BITS); 575 } else { 576 for (i = 0; i < ar->max_norm_iface; i++) 577 fw_submode |= HI_OPTION_FW_SUBMODE_NONE << 578 (i * HI_OPTION_FW_SUBMODE_BITS); 579 580 for (i = ar->max_norm_iface; i < ar->vif_max; i++) 581 fw_submode |= HI_OPTION_FW_SUBMODE_P2PDEV << 582 (i * HI_OPTION_FW_SUBMODE_BITS); 583 584 if (ar->p2p && ar->vif_max == 1) 585 fw_submode = HI_OPTION_FW_SUBMODE_P2PDEV; 586 } 587 588 if (ath6kl_bmi_write_hi32(ar, hi_app_host_interest, 589 HTC_PROTOCOL_VERSION) != 0) { 590 ath6kl_err("bmi_write_memory for htc version failed\n"); 591 return -EIO; 592 } 593 594 /* set the firmware mode to STA/IBSS/AP */ 595 param = 0; 596 597 if (ath6kl_bmi_read_hi32(ar, hi_option_flag, ¶m) != 0) { 598 ath6kl_err("bmi_read_memory for setting fwmode failed\n"); 599 return -EIO; 600 } 601 602 param |= (ar->vif_max << HI_OPTION_NUM_DEV_SHIFT); 603 param |= fw_mode << HI_OPTION_FW_MODE_SHIFT; 604 param |= fw_submode << HI_OPTION_FW_SUBMODE_SHIFT; 605 606 param |= (0 << HI_OPTION_MAC_ADDR_METHOD_SHIFT); 607 param |= (0 << HI_OPTION_FW_BRIDGE_SHIFT); 608 609 if (ath6kl_bmi_write_hi32(ar, hi_option_flag, param) != 0) { 610 ath6kl_err("bmi_write_memory for setting fwmode failed\n"); 611 return -EIO; 612 } 613 614 ath6kl_dbg(ATH6KL_DBG_TRC, "firmware mode set\n"); 615 616 /* 617 * Hardcode the address use for the extended board data 618 * Ideally this should be pre-allocate by the OS at boot time 619 * But since it is a new feature and board data is loaded 620 * at init time, we have to workaround this from host. 621 * It is difficult to patch the firmware boot code, 622 * but possible in theory. 623 */ 624 625 if ((ar->target_type == TARGET_TYPE_AR6003) || 626 (ar->version.target_ver == AR6004_HW_1_3_VERSION) || 627 (ar->version.target_ver == AR6004_HW_3_0_VERSION)) { 628 param = ar->hw.board_ext_data_addr; 629 ram_reserved_size = ar->hw.reserved_ram_size; 630 631 if (ath6kl_bmi_write_hi32(ar, hi_board_ext_data, param) != 0) { 632 ath6kl_err("bmi_write_memory for hi_board_ext_data failed\n"); 633 return -EIO; 634 } 635 636 if (ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz, 637 ram_reserved_size) != 0) { 638 ath6kl_err("bmi_write_memory for hi_end_ram_reserve_sz failed\n"); 639 return -EIO; 640 } 641 } 642 643 /* set the block size for the target */ 644 if (ath6kl_set_htc_params(ar, MBOX_YIELD_LIMIT, 0)) 645 /* use default number of control buffers */ 646 return -EIO; 647 648 /* Configure GPIO AR600x UART */ 649 status = ath6kl_bmi_write_hi32(ar, hi_dbg_uart_txpin, 650 ar->hw.uarttx_pin); 651 if (status) 652 return status; 653 654 /* Only set the baud rate if we're actually doing debug */ 655 if (ar->conf_flags & ATH6KL_CONF_UART_DEBUG) { 656 status = ath6kl_bmi_write_hi32(ar, hi_desired_baud_rate, 657 ar->hw.uarttx_rate); 658 if (status) 659 return status; 660 } 661 662 /* Configure target refclk_hz */ 663 if (ar->hw.refclk_hz != 0) { 664 status = ath6kl_bmi_write_hi32(ar, hi_refclk_hz, 665 ar->hw.refclk_hz); 666 if (status) 667 return status; 668 } 669 670 return 0; 671 } 672 673 /* firmware upload */ 674 static int ath6kl_get_fw(struct ath6kl *ar, const char *filename, 675 u8 **fw, size_t *fw_len) 676 { 677 const struct firmware *fw_entry; 678 int ret; 679 680 ret = request_firmware(&fw_entry, filename, ar->dev); 681 if (ret) 682 return ret; 683 684 *fw_len = fw_entry->size; 685 *fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL); 686 687 if (*fw == NULL) 688 ret = -ENOMEM; 689 690 release_firmware(fw_entry); 691 692 return ret; 693 } 694 695 #ifdef CONFIG_OF 696 /* 697 * Check the device tree for a board-id and use it to construct 698 * the pathname to the firmware file. Used (for now) to find a 699 * fallback to the "bdata.bin" file--typically a symlink to the 700 * appropriate board-specific file. 701 */ 702 static bool check_device_tree(struct ath6kl *ar) 703 { 704 static const char *board_id_prop = "atheros,board-id"; 705 struct device_node *node; 706 char board_filename[64]; 707 const char *board_id; 708 int ret; 709 710 for_each_compatible_node(node, NULL, "atheros,ath6kl") { 711 board_id = of_get_property(node, board_id_prop, NULL); 712 if (board_id == NULL) { 713 ath6kl_warn("No \"%s\" property on %pOFn node.\n", 714 board_id_prop, node); 715 continue; 716 } 717 snprintf(board_filename, sizeof(board_filename), 718 "%s/bdata.%s.bin", ar->hw.fw.dir, board_id); 719 720 ret = ath6kl_get_fw(ar, board_filename, &ar->fw_board, 721 &ar->fw_board_len); 722 if (ret) { 723 ath6kl_err("Failed to get DT board file %s: %d\n", 724 board_filename, ret); 725 continue; 726 } 727 of_node_put(node); 728 return true; 729 } 730 return false; 731 } 732 #else 733 static bool check_device_tree(struct ath6kl *ar) 734 { 735 return false; 736 } 737 #endif /* CONFIG_OF */ 738 739 static int ath6kl_fetch_board_file(struct ath6kl *ar) 740 { 741 const char *filename; 742 int ret; 743 744 if (ar->fw_board != NULL) 745 return 0; 746 747 if (WARN_ON(ar->hw.fw_board == NULL)) 748 return -EINVAL; 749 750 filename = ar->hw.fw_board; 751 752 ret = ath6kl_get_fw(ar, filename, &ar->fw_board, 753 &ar->fw_board_len); 754 if (ret == 0) { 755 /* managed to get proper board file */ 756 return 0; 757 } 758 759 if (check_device_tree(ar)) { 760 /* got board file from device tree */ 761 return 0; 762 } 763 764 /* there was no proper board file, try to use default instead */ 765 ath6kl_warn("Failed to get board file %s (%d), trying to find default board file.\n", 766 filename, ret); 767 768 filename = ar->hw.fw_default_board; 769 770 ret = ath6kl_get_fw(ar, filename, &ar->fw_board, 771 &ar->fw_board_len); 772 if (ret) { 773 ath6kl_err("Failed to get default board file %s: %d\n", 774 filename, ret); 775 return ret; 776 } 777 778 ath6kl_warn("WARNING! No proper board file was not found, instead using a default board file.\n"); 779 ath6kl_warn("Most likely your hardware won't work as specified. Install correct board file!\n"); 780 781 return 0; 782 } 783 784 static int ath6kl_fetch_otp_file(struct ath6kl *ar) 785 { 786 char filename[100]; 787 int ret; 788 789 if (ar->fw_otp != NULL) 790 return 0; 791 792 if (ar->hw.fw.otp == NULL) { 793 ath6kl_dbg(ATH6KL_DBG_BOOT, 794 "no OTP file configured for this hw\n"); 795 return 0; 796 } 797 798 snprintf(filename, sizeof(filename), "%s/%s", 799 ar->hw.fw.dir, ar->hw.fw.otp); 800 801 ret = ath6kl_get_fw(ar, filename, &ar->fw_otp, 802 &ar->fw_otp_len); 803 if (ret) { 804 ath6kl_err("Failed to get OTP file %s: %d\n", 805 filename, ret); 806 return ret; 807 } 808 809 return 0; 810 } 811 812 static int ath6kl_fetch_testmode_file(struct ath6kl *ar) 813 { 814 char filename[100]; 815 int ret; 816 817 if (ar->testmode == 0) 818 return 0; 819 820 ath6kl_dbg(ATH6KL_DBG_BOOT, "testmode %d\n", ar->testmode); 821 822 if (ar->testmode == 2) { 823 if (ar->hw.fw.utf == NULL) { 824 ath6kl_warn("testmode 2 not supported\n"); 825 return -EOPNOTSUPP; 826 } 827 828 snprintf(filename, sizeof(filename), "%s/%s", 829 ar->hw.fw.dir, ar->hw.fw.utf); 830 } else { 831 if (ar->hw.fw.tcmd == NULL) { 832 ath6kl_warn("testmode 1 not supported\n"); 833 return -EOPNOTSUPP; 834 } 835 836 snprintf(filename, sizeof(filename), "%s/%s", 837 ar->hw.fw.dir, ar->hw.fw.tcmd); 838 } 839 840 set_bit(TESTMODE, &ar->flag); 841 842 ret = ath6kl_get_fw(ar, filename, &ar->fw, &ar->fw_len); 843 if (ret) { 844 ath6kl_err("Failed to get testmode %d firmware file %s: %d\n", 845 ar->testmode, filename, ret); 846 return ret; 847 } 848 849 return 0; 850 } 851 852 static int ath6kl_fetch_fw_file(struct ath6kl *ar) 853 { 854 char filename[100]; 855 int ret; 856 857 if (ar->fw != NULL) 858 return 0; 859 860 /* FIXME: remove WARN_ON() as we won't support FW API 1 for long */ 861 if (WARN_ON(ar->hw.fw.fw == NULL)) 862 return -EINVAL; 863 864 snprintf(filename, sizeof(filename), "%s/%s", 865 ar->hw.fw.dir, ar->hw.fw.fw); 866 867 ret = ath6kl_get_fw(ar, filename, &ar->fw, &ar->fw_len); 868 if (ret) { 869 ath6kl_err("Failed to get firmware file %s: %d\n", 870 filename, ret); 871 return ret; 872 } 873 874 return 0; 875 } 876 877 static int ath6kl_fetch_patch_file(struct ath6kl *ar) 878 { 879 char filename[100]; 880 int ret; 881 882 if (ar->fw_patch != NULL) 883 return 0; 884 885 if (ar->hw.fw.patch == NULL) 886 return 0; 887 888 snprintf(filename, sizeof(filename), "%s/%s", 889 ar->hw.fw.dir, ar->hw.fw.patch); 890 891 ret = ath6kl_get_fw(ar, filename, &ar->fw_patch, 892 &ar->fw_patch_len); 893 if (ret) { 894 ath6kl_err("Failed to get patch file %s: %d\n", 895 filename, ret); 896 return ret; 897 } 898 899 return 0; 900 } 901 902 static int ath6kl_fetch_testscript_file(struct ath6kl *ar) 903 { 904 char filename[100]; 905 int ret; 906 907 if (ar->testmode != 2) 908 return 0; 909 910 if (ar->fw_testscript != NULL) 911 return 0; 912 913 if (ar->hw.fw.testscript == NULL) 914 return 0; 915 916 snprintf(filename, sizeof(filename), "%s/%s", 917 ar->hw.fw.dir, ar->hw.fw.testscript); 918 919 ret = ath6kl_get_fw(ar, filename, &ar->fw_testscript, 920 &ar->fw_testscript_len); 921 if (ret) { 922 ath6kl_err("Failed to get testscript file %s: %d\n", 923 filename, ret); 924 return ret; 925 } 926 927 return 0; 928 } 929 930 static int ath6kl_fetch_fw_api1(struct ath6kl *ar) 931 { 932 int ret; 933 934 ret = ath6kl_fetch_otp_file(ar); 935 if (ret) 936 return ret; 937 938 ret = ath6kl_fetch_fw_file(ar); 939 if (ret) 940 return ret; 941 942 ret = ath6kl_fetch_patch_file(ar); 943 if (ret) 944 return ret; 945 946 ret = ath6kl_fetch_testscript_file(ar); 947 if (ret) 948 return ret; 949 950 return 0; 951 } 952 953 static int ath6kl_fetch_fw_apin(struct ath6kl *ar, const char *name) 954 { 955 size_t magic_len, len, ie_len; 956 const struct firmware *fw; 957 struct ath6kl_fw_ie *hdr; 958 char filename[100]; 959 const u8 *data; 960 int ret, ie_id, i, index, bit; 961 __le32 *val; 962 963 snprintf(filename, sizeof(filename), "%s/%s", ar->hw.fw.dir, name); 964 965 ret = request_firmware(&fw, filename, ar->dev); 966 if (ret) { 967 ath6kl_err("Failed request firmware, rv: %d\n", ret); 968 return ret; 969 } 970 971 data = fw->data; 972 len = fw->size; 973 974 /* magic also includes the null byte, check that as well */ 975 magic_len = strlen(ATH6KL_FIRMWARE_MAGIC) + 1; 976 977 if (len < magic_len) { 978 ath6kl_err("Magic length is invalid, len: %zd magic_len: %zd\n", 979 len, magic_len); 980 ret = -EINVAL; 981 goto out; 982 } 983 984 if (memcmp(data, ATH6KL_FIRMWARE_MAGIC, magic_len) != 0) { 985 ath6kl_err("Magic is invalid, magic_len: %zd\n", 986 magic_len); 987 ret = -EINVAL; 988 goto out; 989 } 990 991 len -= magic_len; 992 data += magic_len; 993 994 /* loop elements */ 995 while (len > sizeof(struct ath6kl_fw_ie)) { 996 /* hdr is unaligned! */ 997 hdr = (struct ath6kl_fw_ie *) data; 998 999 ie_id = le32_to_cpup(&hdr->id); 1000 ie_len = le32_to_cpup(&hdr->len); 1001 1002 len -= sizeof(*hdr); 1003 data += sizeof(*hdr); 1004 1005 ath6kl_dbg(ATH6KL_DBG_BOOT, "ie-id: %d len: %zd (0x%zx)\n", 1006 ie_id, ie_len, ie_len); 1007 1008 if (len < ie_len) { 1009 ath6kl_err("IE len is invalid, len: %zd ie_len: %zd ie-id: %d\n", 1010 len, ie_len, ie_id); 1011 ret = -EINVAL; 1012 goto out; 1013 } 1014 1015 switch (ie_id) { 1016 case ATH6KL_FW_IE_FW_VERSION: 1017 strlcpy(ar->wiphy->fw_version, data, 1018 min(sizeof(ar->wiphy->fw_version), ie_len+1)); 1019 1020 ath6kl_dbg(ATH6KL_DBG_BOOT, 1021 "found fw version %s\n", 1022 ar->wiphy->fw_version); 1023 break; 1024 case ATH6KL_FW_IE_OTP_IMAGE: 1025 ath6kl_dbg(ATH6KL_DBG_BOOT, "found otp image ie (%zd B)\n", 1026 ie_len); 1027 1028 ar->fw_otp = kmemdup(data, ie_len, GFP_KERNEL); 1029 1030 if (ar->fw_otp == NULL) { 1031 ath6kl_err("fw_otp cannot be allocated\n"); 1032 ret = -ENOMEM; 1033 goto out; 1034 } 1035 1036 ar->fw_otp_len = ie_len; 1037 break; 1038 case ATH6KL_FW_IE_FW_IMAGE: 1039 ath6kl_dbg(ATH6KL_DBG_BOOT, "found fw image ie (%zd B)\n", 1040 ie_len); 1041 1042 /* in testmode we already might have a fw file */ 1043 if (ar->fw != NULL) 1044 break; 1045 1046 ar->fw = vmalloc(ie_len); 1047 1048 if (ar->fw == NULL) { 1049 ath6kl_err("fw storage cannot be allocated, len: %zd\n", ie_len); 1050 ret = -ENOMEM; 1051 goto out; 1052 } 1053 1054 memcpy(ar->fw, data, ie_len); 1055 ar->fw_len = ie_len; 1056 break; 1057 case ATH6KL_FW_IE_PATCH_IMAGE: 1058 ath6kl_dbg(ATH6KL_DBG_BOOT, "found patch image ie (%zd B)\n", 1059 ie_len); 1060 1061 ar->fw_patch = kmemdup(data, ie_len, GFP_KERNEL); 1062 1063 if (ar->fw_patch == NULL) { 1064 ath6kl_err("fw_patch storage cannot be allocated, len: %zd\n", ie_len); 1065 ret = -ENOMEM; 1066 goto out; 1067 } 1068 1069 ar->fw_patch_len = ie_len; 1070 break; 1071 case ATH6KL_FW_IE_RESERVED_RAM_SIZE: 1072 val = (__le32 *) data; 1073 ar->hw.reserved_ram_size = le32_to_cpup(val); 1074 1075 ath6kl_dbg(ATH6KL_DBG_BOOT, 1076 "found reserved ram size ie %d\n", 1077 ar->hw.reserved_ram_size); 1078 break; 1079 case ATH6KL_FW_IE_CAPABILITIES: 1080 ath6kl_dbg(ATH6KL_DBG_BOOT, 1081 "found firmware capabilities ie (%zd B)\n", 1082 ie_len); 1083 1084 for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) { 1085 index = i / 8; 1086 bit = i % 8; 1087 1088 if (index == ie_len) 1089 break; 1090 1091 if (data[index] & (1 << bit)) 1092 __set_bit(i, ar->fw_capabilities); 1093 } 1094 1095 ath6kl_dbg_dump(ATH6KL_DBG_BOOT, "capabilities", "", 1096 ar->fw_capabilities, 1097 sizeof(ar->fw_capabilities)); 1098 break; 1099 case ATH6KL_FW_IE_PATCH_ADDR: 1100 if (ie_len != sizeof(*val)) 1101 break; 1102 1103 val = (__le32 *) data; 1104 ar->hw.dataset_patch_addr = le32_to_cpup(val); 1105 1106 ath6kl_dbg(ATH6KL_DBG_BOOT, 1107 "found patch address ie 0x%x\n", 1108 ar->hw.dataset_patch_addr); 1109 break; 1110 case ATH6KL_FW_IE_BOARD_ADDR: 1111 if (ie_len != sizeof(*val)) 1112 break; 1113 1114 val = (__le32 *) data; 1115 ar->hw.board_addr = le32_to_cpup(val); 1116 1117 ath6kl_dbg(ATH6KL_DBG_BOOT, 1118 "found board address ie 0x%x\n", 1119 ar->hw.board_addr); 1120 break; 1121 case ATH6KL_FW_IE_VIF_MAX: 1122 if (ie_len != sizeof(*val)) 1123 break; 1124 1125 val = (__le32 *) data; 1126 ar->vif_max = min_t(unsigned int, le32_to_cpup(val), 1127 ATH6KL_VIF_MAX); 1128 1129 if (ar->vif_max > 1 && !ar->p2p) 1130 ar->max_norm_iface = 2; 1131 1132 ath6kl_dbg(ATH6KL_DBG_BOOT, 1133 "found vif max ie %d\n", ar->vif_max); 1134 break; 1135 default: 1136 ath6kl_dbg(ATH6KL_DBG_BOOT, "Unknown fw ie: %u\n", 1137 le32_to_cpup(&hdr->id)); 1138 break; 1139 } 1140 1141 len -= ie_len; 1142 data += ie_len; 1143 } 1144 1145 ret = 0; 1146 out: 1147 release_firmware(fw); 1148 1149 return ret; 1150 } 1151 1152 int ath6kl_init_fetch_firmwares(struct ath6kl *ar) 1153 { 1154 int ret; 1155 1156 ret = ath6kl_fetch_board_file(ar); 1157 if (ret) 1158 return ret; 1159 1160 ret = ath6kl_fetch_testmode_file(ar); 1161 if (ret) 1162 return ret; 1163 1164 ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API5_FILE); 1165 if (ret == 0) { 1166 ar->fw_api = 5; 1167 goto out; 1168 } 1169 1170 ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API4_FILE); 1171 if (ret == 0) { 1172 ar->fw_api = 4; 1173 goto out; 1174 } 1175 1176 ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API3_FILE); 1177 if (ret == 0) { 1178 ar->fw_api = 3; 1179 goto out; 1180 } 1181 1182 ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API2_FILE); 1183 if (ret == 0) { 1184 ar->fw_api = 2; 1185 goto out; 1186 } 1187 1188 ret = ath6kl_fetch_fw_api1(ar); 1189 if (ret) 1190 return ret; 1191 1192 ar->fw_api = 1; 1193 1194 out: 1195 ath6kl_dbg(ATH6KL_DBG_BOOT, "using fw api %d\n", ar->fw_api); 1196 1197 return 0; 1198 } 1199 1200 static int ath6kl_upload_board_file(struct ath6kl *ar) 1201 { 1202 u32 board_address, board_ext_address, param; 1203 u32 board_data_size, board_ext_data_size; 1204 int ret; 1205 1206 if (WARN_ON(ar->fw_board == NULL)) 1207 return -ENOENT; 1208 1209 /* 1210 * Determine where in Target RAM to write Board Data. 1211 * For AR6004, host determine Target RAM address for 1212 * writing board data. 1213 */ 1214 if (ar->hw.board_addr != 0) { 1215 board_address = ar->hw.board_addr; 1216 ath6kl_bmi_write_hi32(ar, hi_board_data, 1217 board_address); 1218 } else { 1219 ret = ath6kl_bmi_read_hi32(ar, hi_board_data, &board_address); 1220 if (ret) { 1221 ath6kl_err("Failed to get board file target address.\n"); 1222 return ret; 1223 } 1224 } 1225 1226 /* determine where in target ram to write extended board data */ 1227 ret = ath6kl_bmi_read_hi32(ar, hi_board_ext_data, &board_ext_address); 1228 if (ret) { 1229 ath6kl_err("Failed to get extended board file target address.\n"); 1230 return ret; 1231 } 1232 1233 if (ar->target_type == TARGET_TYPE_AR6003 && 1234 board_ext_address == 0) { 1235 ath6kl_err("Failed to get board file target address.\n"); 1236 return -EINVAL; 1237 } 1238 1239 switch (ar->target_type) { 1240 case TARGET_TYPE_AR6003: 1241 board_data_size = AR6003_BOARD_DATA_SZ; 1242 board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ; 1243 if (ar->fw_board_len > (board_data_size + board_ext_data_size)) 1244 board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ_V2; 1245 break; 1246 case TARGET_TYPE_AR6004: 1247 board_data_size = AR6004_BOARD_DATA_SZ; 1248 board_ext_data_size = AR6004_BOARD_EXT_DATA_SZ; 1249 break; 1250 default: 1251 WARN_ON(1); 1252 return -EINVAL; 1253 } 1254 1255 if (board_ext_address && 1256 ar->fw_board_len == (board_data_size + board_ext_data_size)) { 1257 /* write extended board data */ 1258 ath6kl_dbg(ATH6KL_DBG_BOOT, 1259 "writing extended board data to 0x%x (%d B)\n", 1260 board_ext_address, board_ext_data_size); 1261 1262 ret = ath6kl_bmi_write(ar, board_ext_address, 1263 ar->fw_board + board_data_size, 1264 board_ext_data_size); 1265 if (ret) { 1266 ath6kl_err("Failed to write extended board data: %d\n", 1267 ret); 1268 return ret; 1269 } 1270 1271 /* record that extended board data is initialized */ 1272 param = (board_ext_data_size << 16) | 1; 1273 1274 ath6kl_bmi_write_hi32(ar, hi_board_ext_data_config, param); 1275 } 1276 1277 if (ar->fw_board_len < board_data_size) { 1278 ath6kl_err("Too small board file: %zu\n", ar->fw_board_len); 1279 ret = -EINVAL; 1280 return ret; 1281 } 1282 1283 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing board file to 0x%x (%d B)\n", 1284 board_address, board_data_size); 1285 1286 ret = ath6kl_bmi_write(ar, board_address, ar->fw_board, 1287 board_data_size); 1288 1289 if (ret) { 1290 ath6kl_err("Board file bmi write failed: %d\n", ret); 1291 return ret; 1292 } 1293 1294 /* record the fact that Board Data IS initialized */ 1295 if ((ar->version.target_ver == AR6004_HW_1_3_VERSION) || 1296 (ar->version.target_ver == AR6004_HW_3_0_VERSION)) 1297 param = board_data_size; 1298 else 1299 param = 1; 1300 1301 ath6kl_bmi_write_hi32(ar, hi_board_data_initialized, param); 1302 1303 return ret; 1304 } 1305 1306 static int ath6kl_upload_otp(struct ath6kl *ar) 1307 { 1308 u32 address, param; 1309 bool from_hw = false; 1310 int ret; 1311 1312 if (ar->fw_otp == NULL) 1313 return 0; 1314 1315 address = ar->hw.app_load_addr; 1316 1317 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing otp to 0x%x (%zd B)\n", address, 1318 ar->fw_otp_len); 1319 1320 ret = ath6kl_bmi_fast_download(ar, address, ar->fw_otp, 1321 ar->fw_otp_len); 1322 if (ret) { 1323 ath6kl_err("Failed to upload OTP file: %d\n", ret); 1324 return ret; 1325 } 1326 1327 /* read firmware start address */ 1328 ret = ath6kl_bmi_read_hi32(ar, hi_app_start, &address); 1329 1330 if (ret) { 1331 ath6kl_err("Failed to read hi_app_start: %d\n", ret); 1332 return ret; 1333 } 1334 1335 if (ar->hw.app_start_override_addr == 0) { 1336 ar->hw.app_start_override_addr = address; 1337 from_hw = true; 1338 } 1339 1340 ath6kl_dbg(ATH6KL_DBG_BOOT, "app_start_override_addr%s 0x%x\n", 1341 from_hw ? " (from hw)" : "", 1342 ar->hw.app_start_override_addr); 1343 1344 /* execute the OTP code */ 1345 ath6kl_dbg(ATH6KL_DBG_BOOT, "executing OTP at 0x%x\n", 1346 ar->hw.app_start_override_addr); 1347 param = 0; 1348 ath6kl_bmi_execute(ar, ar->hw.app_start_override_addr, ¶m); 1349 1350 return ret; 1351 } 1352 1353 static int ath6kl_upload_firmware(struct ath6kl *ar) 1354 { 1355 u32 address; 1356 int ret; 1357 1358 if (WARN_ON(ar->fw == NULL)) 1359 return 0; 1360 1361 address = ar->hw.app_load_addr; 1362 1363 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing firmware to 0x%x (%zd B)\n", 1364 address, ar->fw_len); 1365 1366 ret = ath6kl_bmi_fast_download(ar, address, ar->fw, ar->fw_len); 1367 1368 if (ret) { 1369 ath6kl_err("Failed to write firmware: %d\n", ret); 1370 return ret; 1371 } 1372 1373 /* 1374 * Set starting address for firmware 1375 * Don't need to setup app_start override addr on AR6004 1376 */ 1377 if (ar->target_type != TARGET_TYPE_AR6004) { 1378 address = ar->hw.app_start_override_addr; 1379 ath6kl_bmi_set_app_start(ar, address); 1380 } 1381 return ret; 1382 } 1383 1384 static int ath6kl_upload_patch(struct ath6kl *ar) 1385 { 1386 u32 address; 1387 int ret; 1388 1389 if (ar->fw_patch == NULL) 1390 return 0; 1391 1392 address = ar->hw.dataset_patch_addr; 1393 1394 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing patch to 0x%x (%zd B)\n", 1395 address, ar->fw_patch_len); 1396 1397 ret = ath6kl_bmi_write(ar, address, ar->fw_patch, ar->fw_patch_len); 1398 if (ret) { 1399 ath6kl_err("Failed to write patch file: %d\n", ret); 1400 return ret; 1401 } 1402 1403 ath6kl_bmi_write_hi32(ar, hi_dset_list_head, address); 1404 1405 return 0; 1406 } 1407 1408 static int ath6kl_upload_testscript(struct ath6kl *ar) 1409 { 1410 u32 address; 1411 int ret; 1412 1413 if (ar->testmode != 2) 1414 return 0; 1415 1416 if (ar->fw_testscript == NULL) 1417 return 0; 1418 1419 address = ar->hw.testscript_addr; 1420 1421 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing testscript to 0x%x (%zd B)\n", 1422 address, ar->fw_testscript_len); 1423 1424 ret = ath6kl_bmi_write(ar, address, ar->fw_testscript, 1425 ar->fw_testscript_len); 1426 if (ret) { 1427 ath6kl_err("Failed to write testscript file: %d\n", ret); 1428 return ret; 1429 } 1430 1431 ath6kl_bmi_write_hi32(ar, hi_ota_testscript, address); 1432 1433 if ((ar->version.target_ver != AR6004_HW_1_3_VERSION) && 1434 (ar->version.target_ver != AR6004_HW_3_0_VERSION)) 1435 ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz, 4096); 1436 1437 ath6kl_bmi_write_hi32(ar, hi_test_apps_related, 1); 1438 1439 return 0; 1440 } 1441 1442 static int ath6kl_init_upload(struct ath6kl *ar) 1443 { 1444 u32 param, options, sleep, address; 1445 int status = 0; 1446 1447 if (ar->target_type != TARGET_TYPE_AR6003 && 1448 ar->target_type != TARGET_TYPE_AR6004) 1449 return -EINVAL; 1450 1451 /* temporarily disable system sleep */ 1452 address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS; 1453 status = ath6kl_bmi_reg_read(ar, address, ¶m); 1454 if (status) 1455 return status; 1456 1457 options = param; 1458 1459 param |= ATH6KL_OPTION_SLEEP_DISABLE; 1460 status = ath6kl_bmi_reg_write(ar, address, param); 1461 if (status) 1462 return status; 1463 1464 address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS; 1465 status = ath6kl_bmi_reg_read(ar, address, ¶m); 1466 if (status) 1467 return status; 1468 1469 sleep = param; 1470 1471 param |= SM(SYSTEM_SLEEP_DISABLE, 1); 1472 status = ath6kl_bmi_reg_write(ar, address, param); 1473 if (status) 1474 return status; 1475 1476 ath6kl_dbg(ATH6KL_DBG_TRC, "old options: %d, old sleep: %d\n", 1477 options, sleep); 1478 1479 /* program analog PLL register */ 1480 /* no need to control 40/44MHz clock on AR6004 */ 1481 if (ar->target_type != TARGET_TYPE_AR6004) { 1482 status = ath6kl_bmi_reg_write(ar, ATH6KL_ANALOG_PLL_REGISTER, 1483 0xF9104001); 1484 1485 if (status) 1486 return status; 1487 1488 /* Run at 80/88MHz by default */ 1489 param = SM(CPU_CLOCK_STANDARD, 1); 1490 1491 address = RTC_BASE_ADDRESS + CPU_CLOCK_ADDRESS; 1492 status = ath6kl_bmi_reg_write(ar, address, param); 1493 if (status) 1494 return status; 1495 } 1496 1497 param = 0; 1498 address = RTC_BASE_ADDRESS + LPO_CAL_ADDRESS; 1499 param = SM(LPO_CAL_ENABLE, 1); 1500 status = ath6kl_bmi_reg_write(ar, address, param); 1501 if (status) 1502 return status; 1503 1504 /* WAR to avoid SDIO CRC err */ 1505 if (ar->hw.flags & ATH6KL_HW_SDIO_CRC_ERROR_WAR) { 1506 ath6kl_err("temporary war to avoid sdio crc error\n"); 1507 1508 param = 0x28; 1509 address = GPIO_BASE_ADDRESS + GPIO_PIN9_ADDRESS; 1510 status = ath6kl_bmi_reg_write(ar, address, param); 1511 if (status) 1512 return status; 1513 1514 param = 0x20; 1515 1516 address = GPIO_BASE_ADDRESS + GPIO_PIN10_ADDRESS; 1517 status = ath6kl_bmi_reg_write(ar, address, param); 1518 if (status) 1519 return status; 1520 1521 address = GPIO_BASE_ADDRESS + GPIO_PIN11_ADDRESS; 1522 status = ath6kl_bmi_reg_write(ar, address, param); 1523 if (status) 1524 return status; 1525 1526 address = GPIO_BASE_ADDRESS + GPIO_PIN12_ADDRESS; 1527 status = ath6kl_bmi_reg_write(ar, address, param); 1528 if (status) 1529 return status; 1530 1531 address = GPIO_BASE_ADDRESS + GPIO_PIN13_ADDRESS; 1532 status = ath6kl_bmi_reg_write(ar, address, param); 1533 if (status) 1534 return status; 1535 } 1536 1537 /* write EEPROM data to Target RAM */ 1538 status = ath6kl_upload_board_file(ar); 1539 if (status) 1540 return status; 1541 1542 /* transfer One time Programmable data */ 1543 status = ath6kl_upload_otp(ar); 1544 if (status) 1545 return status; 1546 1547 /* Download Target firmware */ 1548 status = ath6kl_upload_firmware(ar); 1549 if (status) 1550 return status; 1551 1552 status = ath6kl_upload_patch(ar); 1553 if (status) 1554 return status; 1555 1556 /* Download the test script */ 1557 status = ath6kl_upload_testscript(ar); 1558 if (status) 1559 return status; 1560 1561 /* Restore system sleep */ 1562 address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS; 1563 status = ath6kl_bmi_reg_write(ar, address, sleep); 1564 if (status) 1565 return status; 1566 1567 address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS; 1568 param = options | 0x20; 1569 status = ath6kl_bmi_reg_write(ar, address, param); 1570 if (status) 1571 return status; 1572 1573 return status; 1574 } 1575 1576 int ath6kl_init_hw_params(struct ath6kl *ar) 1577 { 1578 const struct ath6kl_hw *hw; 1579 int i; 1580 1581 for (i = 0; i < ARRAY_SIZE(hw_list); i++) { 1582 hw = &hw_list[i]; 1583 1584 if (hw->id == ar->version.target_ver) 1585 break; 1586 } 1587 1588 if (i == ARRAY_SIZE(hw_list)) { 1589 ath6kl_err("Unsupported hardware version: 0x%x\n", 1590 ar->version.target_ver); 1591 return -EINVAL; 1592 } 1593 1594 ar->hw = *hw; 1595 1596 ath6kl_dbg(ATH6KL_DBG_BOOT, 1597 "target_ver 0x%x target_type 0x%x dataset_patch 0x%x app_load_addr 0x%x\n", 1598 ar->version.target_ver, ar->target_type, 1599 ar->hw.dataset_patch_addr, ar->hw.app_load_addr); 1600 ath6kl_dbg(ATH6KL_DBG_BOOT, 1601 "app_start_override_addr 0x%x board_ext_data_addr 0x%x reserved_ram_size 0x%x", 1602 ar->hw.app_start_override_addr, ar->hw.board_ext_data_addr, 1603 ar->hw.reserved_ram_size); 1604 ath6kl_dbg(ATH6KL_DBG_BOOT, 1605 "refclk_hz %d uarttx_pin %d", 1606 ar->hw.refclk_hz, ar->hw.uarttx_pin); 1607 1608 return 0; 1609 } 1610 1611 static const char *ath6kl_init_get_hif_name(enum ath6kl_hif_type type) 1612 { 1613 switch (type) { 1614 case ATH6KL_HIF_TYPE_SDIO: 1615 return "sdio"; 1616 case ATH6KL_HIF_TYPE_USB: 1617 return "usb"; 1618 } 1619 1620 return NULL; 1621 } 1622 1623 1624 static const struct fw_capa_str_map { 1625 int id; 1626 const char *name; 1627 } fw_capa_map[] = { 1628 { ATH6KL_FW_CAPABILITY_HOST_P2P, "host-p2p" }, 1629 { ATH6KL_FW_CAPABILITY_SCHED_SCAN, "sched-scan" }, 1630 { ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, "sta-p2pdev-duplex" }, 1631 { ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, "inactivity-timeout" }, 1632 { ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, "rsn-cap-override" }, 1633 { ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, "wow-mc-filter" }, 1634 { ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, "bmiss-enhance" }, 1635 { ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, "sscan-match-list" }, 1636 { ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, "rssi-scan-thold" }, 1637 { ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, "custom-mac-addr" }, 1638 { ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, "tx-err-notify" }, 1639 { ATH6KL_FW_CAPABILITY_REGDOMAIN, "regdomain" }, 1640 { ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, "sched-scan-v2" }, 1641 { ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL, "hb-poll" }, 1642 { ATH6KL_FW_CAPABILITY_64BIT_RATES, "64bit-rates" }, 1643 { ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS, "ap-inactivity-mins" }, 1644 { ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, "map-lp-endpoint" }, 1645 { ATH6KL_FW_CAPABILITY_RATETABLE_MCS15, "ratetable-mcs15" }, 1646 { ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM, "no-ip-checksum" }, 1647 }; 1648 1649 static const char *ath6kl_init_get_fw_capa_name(unsigned int id) 1650 { 1651 int i; 1652 1653 for (i = 0; i < ARRAY_SIZE(fw_capa_map); i++) { 1654 if (fw_capa_map[i].id == id) 1655 return fw_capa_map[i].name; 1656 } 1657 1658 return "<unknown>"; 1659 } 1660 1661 static void ath6kl_init_get_fwcaps(struct ath6kl *ar, char *buf, size_t buf_len) 1662 { 1663 u8 *data = (u8 *) ar->fw_capabilities; 1664 size_t trunc_len, len = 0; 1665 int i, index, bit; 1666 char *trunc = "..."; 1667 1668 for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) { 1669 index = i / 8; 1670 bit = i % 8; 1671 1672 if (index >= sizeof(ar->fw_capabilities) * 4) 1673 break; 1674 1675 if (buf_len - len < 4) { 1676 ath6kl_warn("firmware capability buffer too small!\n"); 1677 1678 /* add "..." to the end of string */ 1679 trunc_len = strlen(trunc) + 1; 1680 strncpy(buf + buf_len - trunc_len, trunc, trunc_len); 1681 1682 return; 1683 } 1684 1685 if (data[index] & (1 << bit)) { 1686 len += scnprintf(buf + len, buf_len - len, "%s,", 1687 ath6kl_init_get_fw_capa_name(i)); 1688 } 1689 } 1690 1691 /* overwrite the last comma */ 1692 if (len > 0) 1693 len--; 1694 1695 buf[len] = '\0'; 1696 } 1697 1698 static int ath6kl_init_hw_reset(struct ath6kl *ar) 1699 { 1700 ath6kl_dbg(ATH6KL_DBG_BOOT, "cold resetting the device"); 1701 1702 return ath6kl_diag_write32(ar, RESET_CONTROL_ADDRESS, 1703 cpu_to_le32(RESET_CONTROL_COLD_RST)); 1704 } 1705 1706 static int __ath6kl_init_hw_start(struct ath6kl *ar) 1707 { 1708 long timeleft; 1709 int ret, i; 1710 char buf[200]; 1711 1712 ath6kl_dbg(ATH6KL_DBG_BOOT, "hw start\n"); 1713 1714 ret = ath6kl_hif_power_on(ar); 1715 if (ret) 1716 return ret; 1717 1718 ret = ath6kl_configure_target(ar); 1719 if (ret) 1720 goto err_power_off; 1721 1722 ret = ath6kl_init_upload(ar); 1723 if (ret) 1724 goto err_power_off; 1725 1726 /* Do we need to finish the BMI phase */ 1727 ret = ath6kl_bmi_done(ar); 1728 if (ret) 1729 goto err_power_off; 1730 1731 /* 1732 * The reason we have to wait for the target here is that the 1733 * driver layer has to init BMI in order to set the host block 1734 * size. 1735 */ 1736 ret = ath6kl_htc_wait_target(ar->htc_target); 1737 1738 if (ret == -ETIMEDOUT) { 1739 /* 1740 * Most likely USB target is in odd state after reboot and 1741 * needs a reset. A cold reset makes the whole device 1742 * disappear from USB bus and initialisation starts from 1743 * beginning. 1744 */ 1745 ath6kl_warn("htc wait target timed out, resetting device\n"); 1746 ath6kl_init_hw_reset(ar); 1747 goto err_power_off; 1748 } else if (ret) { 1749 ath6kl_err("htc wait target failed: %d\n", ret); 1750 goto err_power_off; 1751 } 1752 1753 ret = ath6kl_init_service_ep(ar); 1754 if (ret) { 1755 ath6kl_err("Endpoint service initilisation failed: %d\n", ret); 1756 goto err_cleanup_scatter; 1757 } 1758 1759 /* setup credit distribution */ 1760 ath6kl_htc_credit_setup(ar->htc_target, &ar->credit_state_info); 1761 1762 /* start HTC */ 1763 ret = ath6kl_htc_start(ar->htc_target); 1764 if (ret) { 1765 /* FIXME: call this */ 1766 ath6kl_cookie_cleanup(ar); 1767 goto err_cleanup_scatter; 1768 } 1769 1770 /* Wait for Wmi event to be ready */ 1771 timeleft = wait_event_interruptible_timeout(ar->event_wq, 1772 test_bit(WMI_READY, 1773 &ar->flag), 1774 WMI_TIMEOUT); 1775 if (timeleft <= 0) { 1776 clear_bit(WMI_READY, &ar->flag); 1777 ath6kl_err("wmi is not ready or wait was interrupted: %ld\n", 1778 timeleft); 1779 ret = -EIO; 1780 goto err_htc_stop; 1781 } 1782 1783 ath6kl_dbg(ATH6KL_DBG_BOOT, "firmware booted\n"); 1784 1785 if (test_and_clear_bit(FIRST_BOOT, &ar->flag)) { 1786 ath6kl_info("%s %s fw %s api %d%s\n", 1787 ar->hw.name, 1788 ath6kl_init_get_hif_name(ar->hif_type), 1789 ar->wiphy->fw_version, 1790 ar->fw_api, 1791 test_bit(TESTMODE, &ar->flag) ? " testmode" : ""); 1792 ath6kl_init_get_fwcaps(ar, buf, sizeof(buf)); 1793 ath6kl_info("firmware supports: %s\n", buf); 1794 } 1795 1796 if (ar->version.abi_ver != ATH6KL_ABI_VERSION) { 1797 ath6kl_err("abi version mismatch: host(0x%x), target(0x%x)\n", 1798 ATH6KL_ABI_VERSION, ar->version.abi_ver); 1799 ret = -EIO; 1800 goto err_htc_stop; 1801 } 1802 1803 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: wmi is ready\n", __func__); 1804 1805 /* communicate the wmi protocol verision to the target */ 1806 /* FIXME: return error */ 1807 if ((ath6kl_set_host_app_area(ar)) != 0) 1808 ath6kl_err("unable to set the host app area\n"); 1809 1810 for (i = 0; i < ar->vif_max; i++) { 1811 ret = ath6kl_target_config_wlan_params(ar, i); 1812 if (ret) 1813 goto err_htc_stop; 1814 } 1815 1816 return 0; 1817 1818 err_htc_stop: 1819 ath6kl_htc_stop(ar->htc_target); 1820 err_cleanup_scatter: 1821 ath6kl_hif_cleanup_scatter(ar); 1822 err_power_off: 1823 ath6kl_hif_power_off(ar); 1824 1825 return ret; 1826 } 1827 1828 int ath6kl_init_hw_start(struct ath6kl *ar) 1829 { 1830 int err; 1831 1832 err = __ath6kl_init_hw_start(ar); 1833 if (err) 1834 return err; 1835 ar->state = ATH6KL_STATE_ON; 1836 return 0; 1837 } 1838 1839 static int __ath6kl_init_hw_stop(struct ath6kl *ar) 1840 { 1841 int ret; 1842 1843 ath6kl_dbg(ATH6KL_DBG_BOOT, "hw stop\n"); 1844 1845 ath6kl_htc_stop(ar->htc_target); 1846 1847 ath6kl_hif_stop(ar); 1848 1849 ath6kl_bmi_reset(ar); 1850 1851 ret = ath6kl_hif_power_off(ar); 1852 if (ret) 1853 ath6kl_warn("failed to power off hif: %d\n", ret); 1854 1855 return 0; 1856 } 1857 1858 int ath6kl_init_hw_stop(struct ath6kl *ar) 1859 { 1860 int err; 1861 1862 err = __ath6kl_init_hw_stop(ar); 1863 if (err) 1864 return err; 1865 ar->state = ATH6KL_STATE_OFF; 1866 return 0; 1867 } 1868 1869 void ath6kl_init_hw_restart(struct ath6kl *ar) 1870 { 1871 clear_bit(WMI_READY, &ar->flag); 1872 1873 ath6kl_cfg80211_stop_all(ar); 1874 1875 if (__ath6kl_init_hw_stop(ar)) { 1876 ath6kl_dbg(ATH6KL_DBG_RECOVERY, "Failed to stop during fw error recovery\n"); 1877 return; 1878 } 1879 1880 if (__ath6kl_init_hw_start(ar)) { 1881 ath6kl_dbg(ATH6KL_DBG_RECOVERY, "Failed to restart during fw error recovery\n"); 1882 return; 1883 } 1884 } 1885 1886 void ath6kl_stop_txrx(struct ath6kl *ar) 1887 { 1888 struct ath6kl_vif *vif, *tmp_vif; 1889 int i; 1890 1891 set_bit(DESTROY_IN_PROGRESS, &ar->flag); 1892 1893 if (down_interruptible(&ar->sem)) { 1894 ath6kl_err("down_interruptible failed\n"); 1895 return; 1896 } 1897 1898 for (i = 0; i < AP_MAX_NUM_STA; i++) 1899 aggr_reset_state(ar->sta_list[i].aggr_conn); 1900 1901 spin_lock_bh(&ar->list_lock); 1902 list_for_each_entry_safe(vif, tmp_vif, &ar->vif_list, list) { 1903 list_del(&vif->list); 1904 spin_unlock_bh(&ar->list_lock); 1905 ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag)); 1906 rtnl_lock(); 1907 ath6kl_cfg80211_vif_cleanup(vif); 1908 rtnl_unlock(); 1909 spin_lock_bh(&ar->list_lock); 1910 } 1911 spin_unlock_bh(&ar->list_lock); 1912 1913 clear_bit(WMI_READY, &ar->flag); 1914 1915 if (ar->fw_recovery.enable) 1916 del_timer_sync(&ar->fw_recovery.hb_timer); 1917 1918 /* 1919 * After wmi_shudown all WMI events will be dropped. We 1920 * need to cleanup the buffers allocated in AP mode and 1921 * give disconnect notification to stack, which usually 1922 * happens in the disconnect_event. Simulate the disconnect 1923 * event by calling the function directly. Sometimes 1924 * disconnect_event will be received when the debug logs 1925 * are collected. 1926 */ 1927 ath6kl_wmi_shutdown(ar->wmi); 1928 1929 clear_bit(WMI_ENABLED, &ar->flag); 1930 if (ar->htc_target) { 1931 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: shut down htc\n", __func__); 1932 ath6kl_htc_stop(ar->htc_target); 1933 } 1934 1935 /* 1936 * Try to reset the device if we can. The driver may have been 1937 * configure NOT to reset the target during a debug session. 1938 */ 1939 ath6kl_init_hw_reset(ar); 1940 1941 up(&ar->sem); 1942 } 1943 EXPORT_SYMBOL(ath6kl_stop_txrx); 1944