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