1/* 2 * This file is part of wl1271 3 * 4 * Copyright (C) 2008-2010 Nokia Corporation 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * version 2 as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, but 11 * WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 18 * 02110-1301 USA 19 * 20 */ 21 22#include <linux/module.h> 23#include <linux/platform_device.h> 24 25#include <linux/err.h> 26 27#include "../wlcore/wlcore.h" 28#include "../wlcore/debug.h" 29#include "../wlcore/io.h" 30#include "../wlcore/acx.h" 31#include "../wlcore/tx.h" 32#include "../wlcore/rx.h" 33#include "../wlcore/boot.h" 34 35#include "wl12xx.h" 36#include "reg.h" 37#include "cmd.h" 38#include "acx.h" 39#include "scan.h" 40#include "event.h" 41#include "debugfs.h" 42 43static char *fref_param; 44static char *tcxo_param; 45 46static struct wlcore_conf wl12xx_conf = { 47 .sg = { 48 .params = { 49 [CONF_SG_ACL_BT_MASTER_MIN_BR] = 10, 50 [CONF_SG_ACL_BT_MASTER_MAX_BR] = 180, 51 [CONF_SG_ACL_BT_SLAVE_MIN_BR] = 10, 52 [CONF_SG_ACL_BT_SLAVE_MAX_BR] = 180, 53 [CONF_SG_ACL_BT_MASTER_MIN_EDR] = 10, 54 [CONF_SG_ACL_BT_MASTER_MAX_EDR] = 80, 55 [CONF_SG_ACL_BT_SLAVE_MIN_EDR] = 10, 56 [CONF_SG_ACL_BT_SLAVE_MAX_EDR] = 80, 57 [CONF_SG_ACL_WLAN_PS_MASTER_BR] = 8, 58 [CONF_SG_ACL_WLAN_PS_SLAVE_BR] = 8, 59 [CONF_SG_ACL_WLAN_PS_MASTER_EDR] = 20, 60 [CONF_SG_ACL_WLAN_PS_SLAVE_EDR] = 20, 61 [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_BR] = 20, 62 [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_BR] = 35, 63 [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_BR] = 16, 64 [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_BR] = 35, 65 [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_EDR] = 32, 66 [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_EDR] = 50, 67 [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_EDR] = 28, 68 [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_EDR] = 50, 69 [CONF_SG_ACL_ACTIVE_SCAN_WLAN_BR] = 10, 70 [CONF_SG_ACL_ACTIVE_SCAN_WLAN_EDR] = 20, 71 [CONF_SG_ACL_PASSIVE_SCAN_BT_BR] = 75, 72 [CONF_SG_ACL_PASSIVE_SCAN_WLAN_BR] = 15, 73 [CONF_SG_ACL_PASSIVE_SCAN_BT_EDR] = 27, 74 [CONF_SG_ACL_PASSIVE_SCAN_WLAN_EDR] = 17, 75 /* active scan params */ 76 [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, 77 [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, 78 [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, 79 /* passive scan params */ 80 [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_BR] = 800, 81 [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_EDR] = 200, 82 [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, 83 /* passive scan in dual antenna params */ 84 [CONF_SG_CONSECUTIVE_HV3_IN_PASSIVE_SCAN] = 0, 85 [CONF_SG_BCN_HV3_COLLISION_THRESH_IN_PASSIVE_SCAN] = 0, 86 [CONF_SG_TX_RX_PROTECTION_BWIDTH_IN_PASSIVE_SCAN] = 0, 87 /* general params */ 88 [CONF_SG_STA_FORCE_PS_IN_BT_SCO] = 1, 89 [CONF_SG_ANTENNA_CONFIGURATION] = 0, 90 [CONF_SG_BEACON_MISS_PERCENT] = 60, 91 [CONF_SG_DHCP_TIME] = 5000, 92 [CONF_SG_RXT] = 1200, 93 [CONF_SG_TXT] = 1000, 94 [CONF_SG_ADAPTIVE_RXT_TXT] = 1, 95 [CONF_SG_GENERAL_USAGE_BIT_MAP] = 3, 96 [CONF_SG_HV3_MAX_SERVED] = 6, 97 [CONF_SG_PS_POLL_TIMEOUT] = 10, 98 [CONF_SG_UPSD_TIMEOUT] = 10, 99 [CONF_SG_CONSECUTIVE_CTS_THRESHOLD] = 2, 100 [CONF_SG_STA_RX_WINDOW_AFTER_DTIM] = 5, 101 [CONF_SG_STA_CONNECTION_PROTECTION_TIME] = 30, 102 /* AP params */ 103 [CONF_AP_BEACON_MISS_TX] = 3, 104 [CONF_AP_RX_WINDOW_AFTER_BEACON] = 10, 105 [CONF_AP_BEACON_WINDOW_INTERVAL] = 2, 106 [CONF_AP_CONNECTION_PROTECTION_TIME] = 0, 107 [CONF_AP_BT_ACL_VAL_BT_SERVE_TIME] = 25, 108 [CONF_AP_BT_ACL_VAL_WL_SERVE_TIME] = 25, 109 /* CTS Diluting params */ 110 [CONF_SG_CTS_DILUTED_BAD_RX_PACKETS_TH] = 0, 111 [CONF_SG_CTS_CHOP_IN_DUAL_ANT_SCO_MASTER] = 0, 112 }, 113 .state = CONF_SG_PROTECTIVE, 114 }, 115 .rx = { 116 .rx_msdu_life_time = 512000, 117 .packet_detection_threshold = 0, 118 .ps_poll_timeout = 15, 119 .upsd_timeout = 15, 120 .rts_threshold = IEEE80211_MAX_RTS_THRESHOLD, 121 .rx_cca_threshold = 0, 122 .irq_blk_threshold = 0xFFFF, 123 .irq_pkt_threshold = 0, 124 .irq_timeout = 600, 125 .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, 126 }, 127 .tx = { 128 .tx_energy_detection = 0, 129 .sta_rc_conf = { 130 .enabled_rates = 0, 131 .short_retry_limit = 10, 132 .long_retry_limit = 10, 133 .aflags = 0, 134 }, 135 .ac_conf_count = 4, 136 .ac_conf = { 137 [CONF_TX_AC_BE] = { 138 .ac = CONF_TX_AC_BE, 139 .cw_min = 15, 140 .cw_max = 63, 141 .aifsn = 3, 142 .tx_op_limit = 0, 143 }, 144 [CONF_TX_AC_BK] = { 145 .ac = CONF_TX_AC_BK, 146 .cw_min = 15, 147 .cw_max = 63, 148 .aifsn = 7, 149 .tx_op_limit = 0, 150 }, 151 [CONF_TX_AC_VI] = { 152 .ac = CONF_TX_AC_VI, 153 .cw_min = 15, 154 .cw_max = 63, 155 .aifsn = CONF_TX_AIFS_PIFS, 156 .tx_op_limit = 3008, 157 }, 158 [CONF_TX_AC_VO] = { 159 .ac = CONF_TX_AC_VO, 160 .cw_min = 15, 161 .cw_max = 63, 162 .aifsn = CONF_TX_AIFS_PIFS, 163 .tx_op_limit = 1504, 164 }, 165 }, 166 .max_tx_retries = 100, 167 .ap_aging_period = 300, 168 .tid_conf_count = 4, 169 .tid_conf = { 170 [CONF_TX_AC_BE] = { 171 .queue_id = CONF_TX_AC_BE, 172 .channel_type = CONF_CHANNEL_TYPE_EDCF, 173 .tsid = CONF_TX_AC_BE, 174 .ps_scheme = CONF_PS_SCHEME_LEGACY, 175 .ack_policy = CONF_ACK_POLICY_LEGACY, 176 .apsd_conf = {0, 0}, 177 }, 178 [CONF_TX_AC_BK] = { 179 .queue_id = CONF_TX_AC_BK, 180 .channel_type = CONF_CHANNEL_TYPE_EDCF, 181 .tsid = CONF_TX_AC_BK, 182 .ps_scheme = CONF_PS_SCHEME_LEGACY, 183 .ack_policy = CONF_ACK_POLICY_LEGACY, 184 .apsd_conf = {0, 0}, 185 }, 186 [CONF_TX_AC_VI] = { 187 .queue_id = CONF_TX_AC_VI, 188 .channel_type = CONF_CHANNEL_TYPE_EDCF, 189 .tsid = CONF_TX_AC_VI, 190 .ps_scheme = CONF_PS_SCHEME_LEGACY, 191 .ack_policy = CONF_ACK_POLICY_LEGACY, 192 .apsd_conf = {0, 0}, 193 }, 194 [CONF_TX_AC_VO] = { 195 .queue_id = CONF_TX_AC_VO, 196 .channel_type = CONF_CHANNEL_TYPE_EDCF, 197 .tsid = CONF_TX_AC_VO, 198 .ps_scheme = CONF_PS_SCHEME_LEGACY, 199 .ack_policy = CONF_ACK_POLICY_LEGACY, 200 .apsd_conf = {0, 0}, 201 }, 202 }, 203 .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, 204 .tx_compl_timeout = 700, 205 .tx_compl_threshold = 4, 206 .basic_rate = CONF_HW_BIT_RATE_1MBPS, 207 .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS, 208 .tmpl_short_retry_limit = 10, 209 .tmpl_long_retry_limit = 10, 210 .tx_watchdog_timeout = 5000, 211 .slow_link_thold = 3, 212 .fast_link_thold = 10, 213 }, 214 .conn = { 215 .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, 216 .listen_interval = 1, 217 .suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM, 218 .suspend_listen_interval = 3, 219 .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, 220 .bcn_filt_ie_count = 3, 221 .bcn_filt_ie = { 222 [0] = { 223 .ie = WLAN_EID_CHANNEL_SWITCH, 224 .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, 225 }, 226 [1] = { 227 .ie = WLAN_EID_HT_OPERATION, 228 .rule = CONF_BCN_RULE_PASS_ON_CHANGE, 229 }, 230 [2] = { 231 .ie = WLAN_EID_ERP_INFO, 232 .rule = CONF_BCN_RULE_PASS_ON_CHANGE, 233 }, 234 }, 235 .synch_fail_thold = 12, 236 .bss_lose_timeout = 400, 237 .beacon_rx_timeout = 10000, 238 .broadcast_timeout = 20000, 239 .rx_broadcast_in_ps = 1, 240 .ps_poll_threshold = 10, 241 .bet_enable = CONF_BET_MODE_ENABLE, 242 .bet_max_consecutive = 50, 243 .psm_entry_retries = 8, 244 .psm_exit_retries = 16, 245 .psm_entry_nullfunc_retries = 3, 246 .dynamic_ps_timeout = 1500, 247 .forced_ps = false, 248 .keep_alive_interval = 55000, 249 .max_listen_interval = 20, 250 .sta_sleep_auth = WL1271_PSM_ILLEGAL, 251 .suspend_rx_ba_activity = 0, 252 }, 253 .itrim = { 254 .enable = false, 255 .timeout = 50000, 256 }, 257 .pm_config = { 258 .host_clk_settling_time = 5000, 259 .host_fast_wakeup_support = CONF_FAST_WAKEUP_DISABLE, 260 }, 261 .roam_trigger = { 262 .trigger_pacing = 1, 263 .avg_weight_rssi_beacon = 20, 264 .avg_weight_rssi_data = 10, 265 .avg_weight_snr_beacon = 20, 266 .avg_weight_snr_data = 10, 267 }, 268 .scan = { 269 .min_dwell_time_active = 7500, 270 .max_dwell_time_active = 30000, 271 .min_dwell_time_active_long = 25000, 272 .max_dwell_time_active_long = 50000, 273 .dwell_time_passive = 100000, 274 .dwell_time_dfs = 150000, 275 .num_probe_reqs = 2, 276 .split_scan_timeout = 50000, 277 }, 278 .sched_scan = { 279 /* 280 * Values are in TU/1000 but since sched scan FW command 281 * params are in TUs rounding up may occur. 282 */ 283 .base_dwell_time = 7500, 284 .max_dwell_time_delta = 22500, 285 /* based on 250bits per probe @1Mbps */ 286 .dwell_time_delta_per_probe = 2000, 287 /* based on 250bits per probe @6Mbps (plus a bit more) */ 288 .dwell_time_delta_per_probe_5 = 350, 289 .dwell_time_passive = 100000, 290 .dwell_time_dfs = 150000, 291 .num_probe_reqs = 2, 292 .rssi_threshold = -90, 293 .snr_threshold = 0, 294 }, 295 .ht = { 296 .rx_ba_win_size = 8, 297 .tx_ba_win_size = 64, 298 .inactivity_timeout = 10000, 299 .tx_ba_tid_bitmap = CONF_TX_BA_ENABLED_TID_BITMAP, 300 }, 301 /* 302 * Memory config for wl127x chips is given in the 303 * wl12xx_default_priv_conf struct. The below configuration is 304 * for wl128x chips. 305 */ 306 .mem = { 307 .num_stations = 1, 308 .ssid_profiles = 1, 309 .rx_block_num = 40, 310 .tx_min_block_num = 40, 311 .dynamic_memory = 1, 312 .min_req_tx_blocks = 45, 313 .min_req_rx_blocks = 22, 314 .tx_min = 27, 315 }, 316 .fm_coex = { 317 .enable = true, 318 .swallow_period = 5, 319 .n_divider_fref_set_1 = 0xff, /* default */ 320 .n_divider_fref_set_2 = 12, 321 .m_divider_fref_set_1 = 0xffff, 322 .m_divider_fref_set_2 = 148, /* default */ 323 .coex_pll_stabilization_time = 0xffffffff, /* default */ 324 .ldo_stabilization_time = 0xffff, /* default */ 325 .fm_disturbed_band_margin = 0xff, /* default */ 326 .swallow_clk_diff = 0xff, /* default */ 327 }, 328 .rx_streaming = { 329 .duration = 150, 330 .queues = 0x1, 331 .interval = 20, 332 .always = 0, 333 }, 334 .fwlog = { 335 .mode = WL12XX_FWLOG_CONTINUOUS, 336 .mem_blocks = 2, 337 .severity = 0, 338 .timestamp = WL12XX_FWLOG_TIMESTAMP_DISABLED, 339 .output = WL12XX_FWLOG_OUTPUT_DBG_PINS, 340 .threshold = 0, 341 }, 342 .rate = { 343 .rate_retry_score = 32000, 344 .per_add = 8192, 345 .per_th1 = 2048, 346 .per_th2 = 4096, 347 .max_per = 8100, 348 .inverse_curiosity_factor = 5, 349 .tx_fail_low_th = 4, 350 .tx_fail_high_th = 10, 351 .per_alpha_shift = 4, 352 .per_add_shift = 13, 353 .per_beta1_shift = 10, 354 .per_beta2_shift = 8, 355 .rate_check_up = 2, 356 .rate_check_down = 12, 357 .rate_retry_policy = { 358 0x00, 0x00, 0x00, 0x00, 0x00, 359 0x00, 0x00, 0x00, 0x00, 0x00, 360 0x00, 0x00, 0x00, 361 }, 362 }, 363 .hangover = { 364 .recover_time = 0, 365 .hangover_period = 20, 366 .dynamic_mode = 1, 367 .early_termination_mode = 1, 368 .max_period = 20, 369 .min_period = 1, 370 .increase_delta = 1, 371 .decrease_delta = 2, 372 .quiet_time = 4, 373 .increase_time = 1, 374 .window_size = 16, 375 }, 376 .recovery = { 377 .bug_on_recovery = 0, 378 .no_recovery = 0, 379 }, 380}; 381 382static struct wl12xx_priv_conf wl12xx_default_priv_conf = { 383 .rf = { 384 .tx_per_channel_power_compensation_2 = { 385 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 386 }, 387 .tx_per_channel_power_compensation_5 = { 388 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 389 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 390 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 391 }, 392 }, 393 .mem_wl127x = { 394 .num_stations = 1, 395 .ssid_profiles = 1, 396 .rx_block_num = 70, 397 .tx_min_block_num = 40, 398 .dynamic_memory = 1, 399 .min_req_tx_blocks = 100, 400 .min_req_rx_blocks = 22, 401 .tx_min = 27, 402 }, 403 404}; 405 406#define WL12XX_TX_HW_BLOCK_SPARE_DEFAULT 1 407#define WL12XX_TX_HW_BLOCK_GEM_SPARE 2 408#define WL12XX_TX_HW_BLOCK_SIZE 252 409 410static const u8 wl12xx_rate_to_idx_2ghz[] = { 411 /* MCS rates are used only with 11n */ 412 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI */ 413 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7 */ 414 6, /* WL12XX_CONF_HW_RXTX_RATE_MCS6 */ 415 5, /* WL12XX_CONF_HW_RXTX_RATE_MCS5 */ 416 4, /* WL12XX_CONF_HW_RXTX_RATE_MCS4 */ 417 3, /* WL12XX_CONF_HW_RXTX_RATE_MCS3 */ 418 2, /* WL12XX_CONF_HW_RXTX_RATE_MCS2 */ 419 1, /* WL12XX_CONF_HW_RXTX_RATE_MCS1 */ 420 0, /* WL12XX_CONF_HW_RXTX_RATE_MCS0 */ 421 422 11, /* WL12XX_CONF_HW_RXTX_RATE_54 */ 423 10, /* WL12XX_CONF_HW_RXTX_RATE_48 */ 424 9, /* WL12XX_CONF_HW_RXTX_RATE_36 */ 425 8, /* WL12XX_CONF_HW_RXTX_RATE_24 */ 426 427 /* TI-specific rate */ 428 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_22 */ 429 430 7, /* WL12XX_CONF_HW_RXTX_RATE_18 */ 431 6, /* WL12XX_CONF_HW_RXTX_RATE_12 */ 432 3, /* WL12XX_CONF_HW_RXTX_RATE_11 */ 433 5, /* WL12XX_CONF_HW_RXTX_RATE_9 */ 434 4, /* WL12XX_CONF_HW_RXTX_RATE_6 */ 435 2, /* WL12XX_CONF_HW_RXTX_RATE_5_5 */ 436 1, /* WL12XX_CONF_HW_RXTX_RATE_2 */ 437 0 /* WL12XX_CONF_HW_RXTX_RATE_1 */ 438}; 439 440static const u8 wl12xx_rate_to_idx_5ghz[] = { 441 /* MCS rates are used only with 11n */ 442 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI */ 443 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7 */ 444 6, /* WL12XX_CONF_HW_RXTX_RATE_MCS6 */ 445 5, /* WL12XX_CONF_HW_RXTX_RATE_MCS5 */ 446 4, /* WL12XX_CONF_HW_RXTX_RATE_MCS4 */ 447 3, /* WL12XX_CONF_HW_RXTX_RATE_MCS3 */ 448 2, /* WL12XX_CONF_HW_RXTX_RATE_MCS2 */ 449 1, /* WL12XX_CONF_HW_RXTX_RATE_MCS1 */ 450 0, /* WL12XX_CONF_HW_RXTX_RATE_MCS0 */ 451 452 7, /* WL12XX_CONF_HW_RXTX_RATE_54 */ 453 6, /* WL12XX_CONF_HW_RXTX_RATE_48 */ 454 5, /* WL12XX_CONF_HW_RXTX_RATE_36 */ 455 4, /* WL12XX_CONF_HW_RXTX_RATE_24 */ 456 457 /* TI-specific rate */ 458 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_22 */ 459 460 3, /* WL12XX_CONF_HW_RXTX_RATE_18 */ 461 2, /* WL12XX_CONF_HW_RXTX_RATE_12 */ 462 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_11 */ 463 1, /* WL12XX_CONF_HW_RXTX_RATE_9 */ 464 0, /* WL12XX_CONF_HW_RXTX_RATE_6 */ 465 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_5_5 */ 466 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_2 */ 467 CONF_HW_RXTX_RATE_UNSUPPORTED /* WL12XX_CONF_HW_RXTX_RATE_1 */ 468}; 469 470static const u8 *wl12xx_band_rate_to_idx[] = { 471 [IEEE80211_BAND_2GHZ] = wl12xx_rate_to_idx_2ghz, 472 [IEEE80211_BAND_5GHZ] = wl12xx_rate_to_idx_5ghz 473}; 474 475enum wl12xx_hw_rates { 476 WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI = 0, 477 WL12XX_CONF_HW_RXTX_RATE_MCS7, 478 WL12XX_CONF_HW_RXTX_RATE_MCS6, 479 WL12XX_CONF_HW_RXTX_RATE_MCS5, 480 WL12XX_CONF_HW_RXTX_RATE_MCS4, 481 WL12XX_CONF_HW_RXTX_RATE_MCS3, 482 WL12XX_CONF_HW_RXTX_RATE_MCS2, 483 WL12XX_CONF_HW_RXTX_RATE_MCS1, 484 WL12XX_CONF_HW_RXTX_RATE_MCS0, 485 WL12XX_CONF_HW_RXTX_RATE_54, 486 WL12XX_CONF_HW_RXTX_RATE_48, 487 WL12XX_CONF_HW_RXTX_RATE_36, 488 WL12XX_CONF_HW_RXTX_RATE_24, 489 WL12XX_CONF_HW_RXTX_RATE_22, 490 WL12XX_CONF_HW_RXTX_RATE_18, 491 WL12XX_CONF_HW_RXTX_RATE_12, 492 WL12XX_CONF_HW_RXTX_RATE_11, 493 WL12XX_CONF_HW_RXTX_RATE_9, 494 WL12XX_CONF_HW_RXTX_RATE_6, 495 WL12XX_CONF_HW_RXTX_RATE_5_5, 496 WL12XX_CONF_HW_RXTX_RATE_2, 497 WL12XX_CONF_HW_RXTX_RATE_1, 498 WL12XX_CONF_HW_RXTX_RATE_MAX, 499}; 500 501static struct wlcore_partition_set wl12xx_ptable[PART_TABLE_LEN] = { 502 [PART_DOWN] = { 503 .mem = { 504 .start = 0x00000000, 505 .size = 0x000177c0 506 }, 507 .reg = { 508 .start = REGISTERS_BASE, 509 .size = 0x00008800 510 }, 511 .mem2 = { 512 .start = 0x00000000, 513 .size = 0x00000000 514 }, 515 .mem3 = { 516 .start = 0x00000000, 517 .size = 0x00000000 518 }, 519 }, 520 521 [PART_BOOT] = { /* in wl12xx we can use a mix of work and down 522 * partition here */ 523 .mem = { 524 .start = 0x00040000, 525 .size = 0x00014fc0 526 }, 527 .reg = { 528 .start = REGISTERS_BASE, 529 .size = 0x00008800 530 }, 531 .mem2 = { 532 .start = 0x00000000, 533 .size = 0x00000000 534 }, 535 .mem3 = { 536 .start = 0x00000000, 537 .size = 0x00000000 538 }, 539 }, 540 541 [PART_WORK] = { 542 .mem = { 543 .start = 0x00040000, 544 .size = 0x00014fc0 545 }, 546 .reg = { 547 .start = REGISTERS_BASE, 548 .size = 0x0000a000 549 }, 550 .mem2 = { 551 .start = 0x003004f8, 552 .size = 0x00000004 553 }, 554 .mem3 = { 555 .start = 0x00040404, 556 .size = 0x00000000 557 }, 558 }, 559 560 [PART_DRPW] = { 561 .mem = { 562 .start = 0x00040000, 563 .size = 0x00014fc0 564 }, 565 .reg = { 566 .start = DRPW_BASE, 567 .size = 0x00006000 568 }, 569 .mem2 = { 570 .start = 0x00000000, 571 .size = 0x00000000 572 }, 573 .mem3 = { 574 .start = 0x00000000, 575 .size = 0x00000000 576 } 577 } 578}; 579 580static const int wl12xx_rtable[REG_TABLE_LEN] = { 581 [REG_ECPU_CONTROL] = WL12XX_REG_ECPU_CONTROL, 582 [REG_INTERRUPT_NO_CLEAR] = WL12XX_REG_INTERRUPT_NO_CLEAR, 583 [REG_INTERRUPT_ACK] = WL12XX_REG_INTERRUPT_ACK, 584 [REG_COMMAND_MAILBOX_PTR] = WL12XX_REG_COMMAND_MAILBOX_PTR, 585 [REG_EVENT_MAILBOX_PTR] = WL12XX_REG_EVENT_MAILBOX_PTR, 586 [REG_INTERRUPT_TRIG] = WL12XX_REG_INTERRUPT_TRIG, 587 [REG_INTERRUPT_MASK] = WL12XX_REG_INTERRUPT_MASK, 588 [REG_PC_ON_RECOVERY] = WL12XX_SCR_PAD4, 589 [REG_CHIP_ID_B] = WL12XX_CHIP_ID_B, 590 [REG_CMD_MBOX_ADDRESS] = WL12XX_CMD_MBOX_ADDRESS, 591 592 /* data access memory addresses, used with partition translation */ 593 [REG_SLV_MEM_DATA] = WL1271_SLV_MEM_DATA, 594 [REG_SLV_REG_DATA] = WL1271_SLV_REG_DATA, 595 596 /* raw data access memory addresses */ 597 [REG_RAW_FW_STATUS_ADDR] = FW_STATUS_ADDR, 598}; 599 600/* TODO: maybe move to a new header file? */ 601#define WL127X_FW_NAME_MULTI "ti-connectivity/wl127x-fw-5-mr.bin" 602#define WL127X_FW_NAME_SINGLE "ti-connectivity/wl127x-fw-5-sr.bin" 603#define WL127X_PLT_FW_NAME "ti-connectivity/wl127x-fw-5-plt.bin" 604 605#define WL128X_FW_NAME_MULTI "ti-connectivity/wl128x-fw-5-mr.bin" 606#define WL128X_FW_NAME_SINGLE "ti-connectivity/wl128x-fw-5-sr.bin" 607#define WL128X_PLT_FW_NAME "ti-connectivity/wl128x-fw-5-plt.bin" 608 609static int wl127x_prepare_read(struct wl1271 *wl, u32 rx_desc, u32 len) 610{ 611 int ret; 612 613 if (wl->chip.id != CHIP_ID_128X_PG20) { 614 struct wl1271_acx_mem_map *wl_mem_map = wl->target_mem_map; 615 struct wl12xx_priv *priv = wl->priv; 616 617 /* 618 * Choose the block we want to read 619 * For aggregated packets, only the first memory block 620 * should be retrieved. The FW takes care of the rest. 621 */ 622 u32 mem_block = rx_desc & RX_MEM_BLOCK_MASK; 623 624 priv->rx_mem_addr->addr = (mem_block << 8) + 625 le32_to_cpu(wl_mem_map->packet_memory_pool_start); 626 627 priv->rx_mem_addr->addr_extra = priv->rx_mem_addr->addr + 4; 628 629 ret = wlcore_write(wl, WL1271_SLV_REG_DATA, priv->rx_mem_addr, 630 sizeof(*priv->rx_mem_addr), false); 631 if (ret < 0) 632 return ret; 633 } 634 635 return 0; 636} 637 638static int wl12xx_identify_chip(struct wl1271 *wl) 639{ 640 int ret = 0; 641 642 switch (wl->chip.id) { 643 case CHIP_ID_127X_PG10: 644 wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", 645 wl->chip.id); 646 647 wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | 648 WLCORE_QUIRK_DUAL_PROBE_TMPL | 649 WLCORE_QUIRK_TKIP_HEADER_SPACE | 650 WLCORE_QUIRK_START_STA_FAILS | 651 WLCORE_QUIRK_AP_ZERO_SESSION_ID; 652 wl->sr_fw_name = WL127X_FW_NAME_SINGLE; 653 wl->mr_fw_name = WL127X_FW_NAME_MULTI; 654 memcpy(&wl->conf.mem, &wl12xx_default_priv_conf.mem_wl127x, 655 sizeof(wl->conf.mem)); 656 657 /* read data preparation is only needed by wl127x */ 658 wl->ops->prepare_read = wl127x_prepare_read; 659 660 wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, 661 WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER, 662 WL127X_SUBTYPE_SR_VER, WL127X_MINOR_SR_VER, 663 WL127X_IFTYPE_MR_VER, WL127X_MAJOR_MR_VER, 664 WL127X_SUBTYPE_MR_VER, WL127X_MINOR_MR_VER); 665 break; 666 667 case CHIP_ID_127X_PG20: 668 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", 669 wl->chip.id); 670 671 wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | 672 WLCORE_QUIRK_DUAL_PROBE_TMPL | 673 WLCORE_QUIRK_TKIP_HEADER_SPACE | 674 WLCORE_QUIRK_START_STA_FAILS | 675 WLCORE_QUIRK_AP_ZERO_SESSION_ID; 676 wl->plt_fw_name = WL127X_PLT_FW_NAME; 677 wl->sr_fw_name = WL127X_FW_NAME_SINGLE; 678 wl->mr_fw_name = WL127X_FW_NAME_MULTI; 679 memcpy(&wl->conf.mem, &wl12xx_default_priv_conf.mem_wl127x, 680 sizeof(wl->conf.mem)); 681 682 /* read data preparation is only needed by wl127x */ 683 wl->ops->prepare_read = wl127x_prepare_read; 684 685 wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, 686 WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER, 687 WL127X_SUBTYPE_SR_VER, WL127X_MINOR_SR_VER, 688 WL127X_IFTYPE_MR_VER, WL127X_MAJOR_MR_VER, 689 WL127X_SUBTYPE_MR_VER, WL127X_MINOR_MR_VER); 690 break; 691 692 case CHIP_ID_128X_PG20: 693 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)", 694 wl->chip.id); 695 wl->plt_fw_name = WL128X_PLT_FW_NAME; 696 wl->sr_fw_name = WL128X_FW_NAME_SINGLE; 697 wl->mr_fw_name = WL128X_FW_NAME_MULTI; 698 699 /* wl128x requires TX blocksize alignment */ 700 wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN | 701 WLCORE_QUIRK_DUAL_PROBE_TMPL | 702 WLCORE_QUIRK_TKIP_HEADER_SPACE | 703 WLCORE_QUIRK_START_STA_FAILS | 704 WLCORE_QUIRK_AP_ZERO_SESSION_ID; 705 706 wlcore_set_min_fw_ver(wl, WL128X_CHIP_VER, 707 WL128X_IFTYPE_SR_VER, WL128X_MAJOR_SR_VER, 708 WL128X_SUBTYPE_SR_VER, WL128X_MINOR_SR_VER, 709 WL128X_IFTYPE_MR_VER, WL128X_MAJOR_MR_VER, 710 WL128X_SUBTYPE_MR_VER, WL128X_MINOR_MR_VER); 711 break; 712 case CHIP_ID_128X_PG10: 713 default: 714 wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); 715 ret = -ENODEV; 716 goto out; 717 } 718 719 wl->fw_mem_block_size = 256; 720 wl->fwlog_end = 0x2000000; 721 722 /* common settings */ 723 wl->scan_templ_id_2_4 = CMD_TEMPL_APP_PROBE_REQ_2_4_LEGACY; 724 wl->scan_templ_id_5 = CMD_TEMPL_APP_PROBE_REQ_5_LEGACY; 725 wl->sched_scan_templ_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4; 726 wl->sched_scan_templ_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5; 727 wl->max_channels_5 = WL12XX_MAX_CHANNELS_5GHZ; 728 wl->ba_rx_session_count_max = WL12XX_RX_BA_MAX_SESSIONS; 729out: 730 return ret; 731} 732 733static int __must_check wl12xx_top_reg_write(struct wl1271 *wl, int addr, 734 u16 val) 735{ 736 int ret; 737 738 /* write address >> 1 + 0x30000 to OCP_POR_CTR */ 739 addr = (addr >> 1) + 0x30000; 740 ret = wlcore_write32(wl, WL12XX_OCP_POR_CTR, addr); 741 if (ret < 0) 742 goto out; 743 744 /* write value to OCP_POR_WDATA */ 745 ret = wlcore_write32(wl, WL12XX_OCP_DATA_WRITE, val); 746 if (ret < 0) 747 goto out; 748 749 /* write 1 to OCP_CMD */ 750 ret = wlcore_write32(wl, WL12XX_OCP_CMD, OCP_CMD_WRITE); 751 if (ret < 0) 752 goto out; 753 754out: 755 return ret; 756} 757 758static int __must_check wl12xx_top_reg_read(struct wl1271 *wl, int addr, 759 u16 *out) 760{ 761 u32 val; 762 int timeout = OCP_CMD_LOOP; 763 int ret; 764 765 /* write address >> 1 + 0x30000 to OCP_POR_CTR */ 766 addr = (addr >> 1) + 0x30000; 767 ret = wlcore_write32(wl, WL12XX_OCP_POR_CTR, addr); 768 if (ret < 0) 769 return ret; 770 771 /* write 2 to OCP_CMD */ 772 ret = wlcore_write32(wl, WL12XX_OCP_CMD, OCP_CMD_READ); 773 if (ret < 0) 774 return ret; 775 776 /* poll for data ready */ 777 do { 778 ret = wlcore_read32(wl, WL12XX_OCP_DATA_READ, &val); 779 if (ret < 0) 780 return ret; 781 } while (!(val & OCP_READY_MASK) && --timeout); 782 783 if (!timeout) { 784 wl1271_warning("Top register access timed out."); 785 return -ETIMEDOUT; 786 } 787 788 /* check data status and return if OK */ 789 if ((val & OCP_STATUS_MASK) != OCP_STATUS_OK) { 790 wl1271_warning("Top register access returned error."); 791 return -EIO; 792 } 793 794 if (out) 795 *out = val & 0xffff; 796 797 return 0; 798} 799 800static int wl128x_switch_tcxo_to_fref(struct wl1271 *wl) 801{ 802 u16 spare_reg; 803 int ret; 804 805 /* Mask bits [2] & [8:4] in the sys_clk_cfg register */ 806 ret = wl12xx_top_reg_read(wl, WL_SPARE_REG, &spare_reg); 807 if (ret < 0) 808 return ret; 809 810 if (spare_reg == 0xFFFF) 811 return -EFAULT; 812 spare_reg |= (BIT(3) | BIT(5) | BIT(6)); 813 ret = wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg); 814 if (ret < 0) 815 return ret; 816 817 /* Enable FREF_CLK_REQ & mux MCS and coex PLLs to FREF */ 818 ret = wl12xx_top_reg_write(wl, SYS_CLK_CFG_REG, 819 WL_CLK_REQ_TYPE_PG2 | MCS_PLL_CLK_SEL_FREF); 820 if (ret < 0) 821 return ret; 822 823 /* Delay execution for 15msec, to let the HW settle */ 824 mdelay(15); 825 826 return 0; 827} 828 829static bool wl128x_is_tcxo_valid(struct wl1271 *wl) 830{ 831 u16 tcxo_detection; 832 int ret; 833 834 ret = wl12xx_top_reg_read(wl, TCXO_CLK_DETECT_REG, &tcxo_detection); 835 if (ret < 0) 836 return false; 837 838 if (tcxo_detection & TCXO_DET_FAILED) 839 return false; 840 841 return true; 842} 843 844static bool wl128x_is_fref_valid(struct wl1271 *wl) 845{ 846 u16 fref_detection; 847 int ret; 848 849 ret = wl12xx_top_reg_read(wl, FREF_CLK_DETECT_REG, &fref_detection); 850 if (ret < 0) 851 return false; 852 853 if (fref_detection & FREF_CLK_DETECT_FAIL) 854 return false; 855 856 return true; 857} 858 859static int wl128x_manually_configure_mcs_pll(struct wl1271 *wl) 860{ 861 int ret; 862 863 ret = wl12xx_top_reg_write(wl, MCS_PLL_M_REG, MCS_PLL_M_REG_VAL); 864 if (ret < 0) 865 goto out; 866 867 ret = wl12xx_top_reg_write(wl, MCS_PLL_N_REG, MCS_PLL_N_REG_VAL); 868 if (ret < 0) 869 goto out; 870 871 ret = wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, 872 MCS_PLL_CONFIG_REG_VAL); 873 874out: 875 return ret; 876} 877 878static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk) 879{ 880 u16 spare_reg; 881 u16 pll_config; 882 u8 input_freq; 883 struct wl12xx_priv *priv = wl->priv; 884 int ret; 885 886 /* Mask bits [3:1] in the sys_clk_cfg register */ 887 ret = wl12xx_top_reg_read(wl, WL_SPARE_REG, &spare_reg); 888 if (ret < 0) 889 return ret; 890 891 if (spare_reg == 0xFFFF) 892 return -EFAULT; 893 spare_reg |= BIT(2); 894 ret = wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg); 895 if (ret < 0) 896 return ret; 897 898 /* Handle special cases of the TCXO clock */ 899 if (priv->tcxo_clock == WL12XX_TCXOCLOCK_16_8 || 900 priv->tcxo_clock == WL12XX_TCXOCLOCK_33_6) 901 return wl128x_manually_configure_mcs_pll(wl); 902 903 /* Set the input frequency according to the selected clock source */ 904 input_freq = (clk & 1) + 1; 905 906 ret = wl12xx_top_reg_read(wl, MCS_PLL_CONFIG_REG, &pll_config); 907 if (ret < 0) 908 return ret; 909 910 if (pll_config == 0xFFFF) 911 return -EFAULT; 912 pll_config |= (input_freq << MCS_SEL_IN_FREQ_SHIFT); 913 pll_config |= MCS_PLL_ENABLE_HP; 914 ret = wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, pll_config); 915 916 return ret; 917} 918 919/* 920 * WL128x has two clocks input - TCXO and FREF. 921 * TCXO is the main clock of the device, while FREF is used to sync 922 * between the GPS and the cellular modem. 923 * In cases where TCXO is 32.736MHz or 16.368MHz, the FREF will be used 924 * as the WLAN/BT main clock. 925 */ 926static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock) 927{ 928 struct wl12xx_priv *priv = wl->priv; 929 u16 sys_clk_cfg; 930 int ret; 931 932 /* For XTAL-only modes, FREF will be used after switching from TCXO */ 933 if (priv->ref_clock == WL12XX_REFCLOCK_26_XTAL || 934 priv->ref_clock == WL12XX_REFCLOCK_38_XTAL) { 935 if (!wl128x_switch_tcxo_to_fref(wl)) 936 return -EINVAL; 937 goto fref_clk; 938 } 939 940 /* Query the HW, to determine which clock source we should use */ 941 ret = wl12xx_top_reg_read(wl, SYS_CLK_CFG_REG, &sys_clk_cfg); 942 if (ret < 0) 943 return ret; 944 945 if (sys_clk_cfg == 0xFFFF) 946 return -EINVAL; 947 if (sys_clk_cfg & PRCM_CM_EN_MUX_WLAN_FREF) 948 goto fref_clk; 949 950 /* If TCXO is either 32.736MHz or 16.368MHz, switch to FREF */ 951 if (priv->tcxo_clock == WL12XX_TCXOCLOCK_16_368 || 952 priv->tcxo_clock == WL12XX_TCXOCLOCK_32_736) { 953 if (!wl128x_switch_tcxo_to_fref(wl)) 954 return -EINVAL; 955 goto fref_clk; 956 } 957 958 /* TCXO clock is selected */ 959 if (!wl128x_is_tcxo_valid(wl)) 960 return -EINVAL; 961 *selected_clock = priv->tcxo_clock; 962 goto config_mcs_pll; 963 964fref_clk: 965 /* FREF clock is selected */ 966 if (!wl128x_is_fref_valid(wl)) 967 return -EINVAL; 968 *selected_clock = priv->ref_clock; 969 970config_mcs_pll: 971 return wl128x_configure_mcs_pll(wl, *selected_clock); 972} 973 974static int wl127x_boot_clk(struct wl1271 *wl) 975{ 976 struct wl12xx_priv *priv = wl->priv; 977 u32 pause; 978 u32 clk; 979 int ret; 980 981 if (WL127X_PG_GET_MAJOR(wl->hw_pg_ver) < 3) 982 wl->quirks |= WLCORE_QUIRK_END_OF_TRANSACTION; 983 984 if (priv->ref_clock == CONF_REF_CLK_19_2_E || 985 priv->ref_clock == CONF_REF_CLK_38_4_E || 986 priv->ref_clock == CONF_REF_CLK_38_4_M_XTAL) 987 /* ref clk: 19.2/38.4/38.4-XTAL */ 988 clk = 0x3; 989 else if (priv->ref_clock == CONF_REF_CLK_26_E || 990 priv->ref_clock == CONF_REF_CLK_26_M_XTAL || 991 priv->ref_clock == CONF_REF_CLK_52_E) 992 /* ref clk: 26/52 */ 993 clk = 0x5; 994 else 995 return -EINVAL; 996 997 if (priv->ref_clock != CONF_REF_CLK_19_2_E) { 998 u16 val; 999 /* Set clock type (open drain) */ 1000 ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_TYPE, &val); 1001 if (ret < 0) 1002 goto out; 1003 1004 val &= FREF_CLK_TYPE_BITS; 1005 ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_TYPE, val); 1006 if (ret < 0) 1007 goto out; 1008 1009 /* Set clock pull mode (no pull) */ 1010 ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_PULL, &val); 1011 if (ret < 0) 1012 goto out; 1013 1014 val |= NO_PULL; 1015 ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_PULL, val); 1016 if (ret < 0) 1017 goto out; 1018 } else { 1019 u16 val; 1020 /* Set clock polarity */ 1021 ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_POLARITY, &val); 1022 if (ret < 0) 1023 goto out; 1024 1025 val &= FREF_CLK_POLARITY_BITS; 1026 val |= CLK_REQ_OUTN_SEL; 1027 ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_POLARITY, val); 1028 if (ret < 0) 1029 goto out; 1030 } 1031 1032 ret = wlcore_write32(wl, WL12XX_PLL_PARAMETERS, clk); 1033 if (ret < 0) 1034 goto out; 1035 1036 ret = wlcore_read32(wl, WL12XX_PLL_PARAMETERS, &pause); 1037 if (ret < 0) 1038 goto out; 1039 1040 wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause); 1041 1042 pause &= ~(WU_COUNTER_PAUSE_VAL); 1043 pause |= WU_COUNTER_PAUSE_VAL; 1044 ret = wlcore_write32(wl, WL12XX_WU_COUNTER_PAUSE, pause); 1045 1046out: 1047 return ret; 1048} 1049 1050static int wl1271_boot_soft_reset(struct wl1271 *wl) 1051{ 1052 unsigned long timeout; 1053 u32 boot_data; 1054 int ret = 0; 1055 1056 /* perform soft reset */ 1057 ret = wlcore_write32(wl, WL12XX_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT); 1058 if (ret < 0) 1059 goto out; 1060 1061 /* SOFT_RESET is self clearing */ 1062 timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME); 1063 while (1) { 1064 ret = wlcore_read32(wl, WL12XX_SLV_SOFT_RESET, &boot_data); 1065 if (ret < 0) 1066 goto out; 1067 1068 wl1271_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data); 1069 if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0) 1070 break; 1071 1072 if (time_after(jiffies, timeout)) { 1073 /* 1.2 check pWhalBus->uSelfClearTime if the 1074 * timeout was reached */ 1075 wl1271_error("soft reset timeout"); 1076 return -1; 1077 } 1078 1079 udelay(SOFT_RESET_STALL_TIME); 1080 } 1081 1082 /* disable Rx/Tx */ 1083 ret = wlcore_write32(wl, WL12XX_ENABLE, 0x0); 1084 if (ret < 0) 1085 goto out; 1086 1087 /* disable auto calibration on start*/ 1088 ret = wlcore_write32(wl, WL12XX_SPARE_A2, 0xffff); 1089 1090out: 1091 return ret; 1092} 1093 1094static int wl12xx_pre_boot(struct wl1271 *wl) 1095{ 1096 struct wl12xx_priv *priv = wl->priv; 1097 int ret = 0; 1098 u32 clk; 1099 int selected_clock = -1; 1100 1101 if (wl->chip.id == CHIP_ID_128X_PG20) { 1102 ret = wl128x_boot_clk(wl, &selected_clock); 1103 if (ret < 0) 1104 goto out; 1105 } else { 1106 ret = wl127x_boot_clk(wl); 1107 if (ret < 0) 1108 goto out; 1109 } 1110 1111 /* Continue the ELP wake up sequence */ 1112 ret = wlcore_write32(wl, WL12XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL); 1113 if (ret < 0) 1114 goto out; 1115 1116 udelay(500); 1117 1118 ret = wlcore_set_partition(wl, &wl->ptable[PART_DRPW]); 1119 if (ret < 0) 1120 goto out; 1121 1122 /* Read-modify-write DRPW_SCRATCH_START register (see next state) 1123 to be used by DRPw FW. The RTRIM value will be added by the FW 1124 before taking DRPw out of reset */ 1125 1126 ret = wlcore_read32(wl, WL12XX_DRPW_SCRATCH_START, &clk); 1127 if (ret < 0) 1128 goto out; 1129 1130 wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk); 1131 1132 if (wl->chip.id == CHIP_ID_128X_PG20) 1133 clk |= ((selected_clock & 0x3) << 1) << 4; 1134 else 1135 clk |= (priv->ref_clock << 1) << 4; 1136 1137 ret = wlcore_write32(wl, WL12XX_DRPW_SCRATCH_START, clk); 1138 if (ret < 0) 1139 goto out; 1140 1141 ret = wlcore_set_partition(wl, &wl->ptable[PART_WORK]); 1142 if (ret < 0) 1143 goto out; 1144 1145 /* Disable interrupts */ 1146 ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL); 1147 if (ret < 0) 1148 goto out; 1149 1150 ret = wl1271_boot_soft_reset(wl); 1151 if (ret < 0) 1152 goto out; 1153 1154out: 1155 return ret; 1156} 1157 1158static int wl12xx_pre_upload(struct wl1271 *wl) 1159{ 1160 u32 tmp; 1161 u16 polarity; 1162 int ret; 1163 1164 /* write firmware's last address (ie. it's length) to 1165 * ACX_EEPROMLESS_IND_REG */ 1166 wl1271_debug(DEBUG_BOOT, "ACX_EEPROMLESS_IND_REG"); 1167 1168 ret = wlcore_write32(wl, WL12XX_EEPROMLESS_IND, WL12XX_EEPROMLESS_IND); 1169 if (ret < 0) 1170 goto out; 1171 1172 ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &tmp); 1173 if (ret < 0) 1174 goto out; 1175 1176 wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp); 1177 1178 /* 6. read the EEPROM parameters */ 1179 ret = wlcore_read32(wl, WL12XX_SCR_PAD2, &tmp); 1180 if (ret < 0) 1181 goto out; 1182 1183 /* WL1271: The reference driver skips steps 7 to 10 (jumps directly 1184 * to upload_fw) */ 1185 1186 if (wl->chip.id == CHIP_ID_128X_PG20) { 1187 ret = wl12xx_top_reg_write(wl, SDIO_IO_DS, HCI_IO_DS_6MA); 1188 if (ret < 0) 1189 goto out; 1190 } 1191 1192 /* polarity must be set before the firmware is loaded */ 1193 ret = wl12xx_top_reg_read(wl, OCP_REG_POLARITY, &polarity); 1194 if (ret < 0) 1195 goto out; 1196 1197 /* We use HIGH polarity, so unset the LOW bit */ 1198 polarity &= ~POLARITY_LOW; 1199 ret = wl12xx_top_reg_write(wl, OCP_REG_POLARITY, polarity); 1200 1201out: 1202 return ret; 1203} 1204 1205static int wl12xx_enable_interrupts(struct wl1271 *wl) 1206{ 1207 int ret; 1208 1209 ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, 1210 WL12XX_ACX_ALL_EVENTS_VECTOR); 1211 if (ret < 0) 1212 goto out; 1213 1214 wlcore_enable_interrupts(wl); 1215 ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, 1216 WL1271_ACX_INTR_ALL & ~(WL12XX_INTR_MASK)); 1217 if (ret < 0) 1218 goto disable_interrupts; 1219 1220 ret = wlcore_write32(wl, WL12XX_HI_CFG, HI_CFG_DEF_VAL); 1221 if (ret < 0) 1222 goto disable_interrupts; 1223 1224 return ret; 1225 1226disable_interrupts: 1227 wlcore_disable_interrupts(wl); 1228 1229out: 1230 return ret; 1231} 1232 1233static int wl12xx_boot(struct wl1271 *wl) 1234{ 1235 int ret; 1236 1237 ret = wl12xx_pre_boot(wl); 1238 if (ret < 0) 1239 goto out; 1240 1241 ret = wlcore_boot_upload_nvs(wl); 1242 if (ret < 0) 1243 goto out; 1244 1245 ret = wl12xx_pre_upload(wl); 1246 if (ret < 0) 1247 goto out; 1248 1249 ret = wlcore_boot_upload_firmware(wl); 1250 if (ret < 0) 1251 goto out; 1252 1253 wl->event_mask = BSS_LOSE_EVENT_ID | 1254 REGAINED_BSS_EVENT_ID | 1255 SCAN_COMPLETE_EVENT_ID | 1256 ROLE_STOP_COMPLETE_EVENT_ID | 1257 RSSI_SNR_TRIGGER_0_EVENT_ID | 1258 PSPOLL_DELIVERY_FAILURE_EVENT_ID | 1259 SOFT_GEMINI_SENSE_EVENT_ID | 1260 PERIODIC_SCAN_REPORT_EVENT_ID | 1261 PERIODIC_SCAN_COMPLETE_EVENT_ID | 1262 DUMMY_PACKET_EVENT_ID | 1263 PEER_REMOVE_COMPLETE_EVENT_ID | 1264 BA_SESSION_RX_CONSTRAINT_EVENT_ID | 1265 REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID | 1266 INACTIVE_STA_EVENT_ID | 1267 CHANNEL_SWITCH_COMPLETE_EVENT_ID; 1268 1269 wl->ap_event_mask = MAX_TX_RETRY_EVENT_ID; 1270 1271 ret = wlcore_boot_run_firmware(wl); 1272 if (ret < 0) 1273 goto out; 1274 1275 ret = wl12xx_enable_interrupts(wl); 1276 1277out: 1278 return ret; 1279} 1280 1281static int wl12xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr, 1282 void *buf, size_t len) 1283{ 1284 int ret; 1285 1286 ret = wlcore_write(wl, cmd_box_addr, buf, len, false); 1287 if (ret < 0) 1288 return ret; 1289 1290 ret = wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_CMD); 1291 1292 return ret; 1293} 1294 1295static int wl12xx_ack_event(struct wl1271 *wl) 1296{ 1297 return wlcore_write_reg(wl, REG_INTERRUPT_TRIG, 1298 WL12XX_INTR_TRIG_EVENT_ACK); 1299} 1300 1301static u32 wl12xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks) 1302{ 1303 u32 blk_size = WL12XX_TX_HW_BLOCK_SIZE; 1304 u32 align_len = wlcore_calc_packet_alignment(wl, len); 1305 1306 return (align_len + blk_size - 1) / blk_size + spare_blks; 1307} 1308 1309static void 1310wl12xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, 1311 u32 blks, u32 spare_blks) 1312{ 1313 if (wl->chip.id == CHIP_ID_128X_PG20) { 1314 desc->wl128x_mem.total_mem_blocks = blks; 1315 } else { 1316 desc->wl127x_mem.extra_blocks = spare_blks; 1317 desc->wl127x_mem.total_mem_blocks = blks; 1318 } 1319} 1320 1321static void 1322wl12xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, 1323 struct sk_buff *skb) 1324{ 1325 u32 aligned_len = wlcore_calc_packet_alignment(wl, skb->len); 1326 1327 if (wl->chip.id == CHIP_ID_128X_PG20) { 1328 desc->wl128x_mem.extra_bytes = aligned_len - skb->len; 1329 desc->length = cpu_to_le16(aligned_len >> 2); 1330 1331 wl1271_debug(DEBUG_TX, 1332 "tx_fill_hdr: hlid: %d len: %d life: %d mem: %d extra: %d", 1333 desc->hlid, 1334 le16_to_cpu(desc->length), 1335 le16_to_cpu(desc->life_time), 1336 desc->wl128x_mem.total_mem_blocks, 1337 desc->wl128x_mem.extra_bytes); 1338 } else { 1339 /* calculate number of padding bytes */ 1340 int pad = aligned_len - skb->len; 1341 desc->tx_attr |= 1342 cpu_to_le16(pad << TX_HW_ATTR_OFST_LAST_WORD_PAD); 1343 1344 /* Store the aligned length in terms of words */ 1345 desc->length = cpu_to_le16(aligned_len >> 2); 1346 1347 wl1271_debug(DEBUG_TX, 1348 "tx_fill_hdr: pad: %d hlid: %d len: %d life: %d mem: %d", 1349 pad, desc->hlid, 1350 le16_to_cpu(desc->length), 1351 le16_to_cpu(desc->life_time), 1352 desc->wl127x_mem.total_mem_blocks); 1353 } 1354} 1355 1356static enum wl_rx_buf_align 1357wl12xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc) 1358{ 1359 if (rx_desc & RX_BUF_UNALIGNED_PAYLOAD) 1360 return WLCORE_RX_BUF_UNALIGNED; 1361 1362 return WLCORE_RX_BUF_ALIGNED; 1363} 1364 1365static u32 wl12xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data, 1366 u32 data_len) 1367{ 1368 struct wl1271_rx_descriptor *desc = rx_data; 1369 1370 /* invalid packet */ 1371 if (data_len < sizeof(*desc) || 1372 data_len < sizeof(*desc) + desc->pad_len) 1373 return 0; 1374 1375 return data_len - sizeof(*desc) - desc->pad_len; 1376} 1377 1378static int wl12xx_tx_delayed_compl(struct wl1271 *wl) 1379{ 1380 if (wl->fw_status->tx_results_counter == 1381 (wl->tx_results_count & 0xff)) 1382 return 0; 1383 1384 return wlcore_tx_complete(wl); 1385} 1386 1387static int wl12xx_hw_init(struct wl1271 *wl) 1388{ 1389 int ret; 1390 1391 if (wl->chip.id == CHIP_ID_128X_PG20) { 1392 u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE; 1393 1394 ret = wl128x_cmd_general_parms(wl); 1395 if (ret < 0) 1396 goto out; 1397 1398 /* 1399 * If we are in calibrator based auto detect then we got the FEM nr 1400 * in wl->fem_manuf. No need to continue further 1401 */ 1402 if (wl->plt_mode == PLT_FEM_DETECT) 1403 goto out; 1404 1405 ret = wl128x_cmd_radio_parms(wl); 1406 if (ret < 0) 1407 goto out; 1408 1409 if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) 1410 /* Enable SDIO padding */ 1411 host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK; 1412 1413 /* Must be before wl1271_acx_init_mem_config() */ 1414 ret = wl1271_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap); 1415 if (ret < 0) 1416 goto out; 1417 } else { 1418 ret = wl1271_cmd_general_parms(wl); 1419 if (ret < 0) 1420 goto out; 1421 1422 /* 1423 * If we are in calibrator based auto detect then we got the FEM nr 1424 * in wl->fem_manuf. No need to continue further 1425 */ 1426 if (wl->plt_mode == PLT_FEM_DETECT) 1427 goto out; 1428 1429 ret = wl1271_cmd_radio_parms(wl); 1430 if (ret < 0) 1431 goto out; 1432 ret = wl1271_cmd_ext_radio_parms(wl); 1433 if (ret < 0) 1434 goto out; 1435 } 1436out: 1437 return ret; 1438} 1439 1440static void wl12xx_convert_fw_status(struct wl1271 *wl, void *raw_fw_status, 1441 struct wl_fw_status *fw_status) 1442{ 1443 struct wl12xx_fw_status *int_fw_status = raw_fw_status; 1444 1445 fw_status->intr = le32_to_cpu(int_fw_status->intr); 1446 fw_status->fw_rx_counter = int_fw_status->fw_rx_counter; 1447 fw_status->drv_rx_counter = int_fw_status->drv_rx_counter; 1448 fw_status->tx_results_counter = int_fw_status->tx_results_counter; 1449 fw_status->rx_pkt_descs = int_fw_status->rx_pkt_descs; 1450 1451 fw_status->fw_localtime = le32_to_cpu(int_fw_status->fw_localtime); 1452 fw_status->link_ps_bitmap = le32_to_cpu(int_fw_status->link_ps_bitmap); 1453 fw_status->link_fast_bitmap = 1454 le32_to_cpu(int_fw_status->link_fast_bitmap); 1455 fw_status->total_released_blks = 1456 le32_to_cpu(int_fw_status->total_released_blks); 1457 fw_status->tx_total = le32_to_cpu(int_fw_status->tx_total); 1458 1459 fw_status->counters.tx_released_pkts = 1460 int_fw_status->counters.tx_released_pkts; 1461 fw_status->counters.tx_lnk_free_pkts = 1462 int_fw_status->counters.tx_lnk_free_pkts; 1463 fw_status->counters.tx_voice_released_blks = 1464 int_fw_status->counters.tx_voice_released_blks; 1465 fw_status->counters.tx_last_rate = 1466 int_fw_status->counters.tx_last_rate; 1467 1468 fw_status->log_start_addr = le32_to_cpu(int_fw_status->log_start_addr); 1469} 1470 1471static u32 wl12xx_sta_get_ap_rate_mask(struct wl1271 *wl, 1472 struct wl12xx_vif *wlvif) 1473{ 1474 return wlvif->rate_set; 1475} 1476 1477static void wl12xx_conf_init(struct wl1271 *wl) 1478{ 1479 struct wl12xx_priv *priv = wl->priv; 1480 1481 /* apply driver default configuration */ 1482 memcpy(&wl->conf, &wl12xx_conf, sizeof(wl12xx_conf)); 1483 1484 /* apply default private configuration */ 1485 memcpy(&priv->conf, &wl12xx_default_priv_conf, sizeof(priv->conf)); 1486} 1487 1488static bool wl12xx_mac_in_fuse(struct wl1271 *wl) 1489{ 1490 bool supported = false; 1491 u8 major, minor; 1492 1493 if (wl->chip.id == CHIP_ID_128X_PG20) { 1494 major = WL128X_PG_GET_MAJOR(wl->hw_pg_ver); 1495 minor = WL128X_PG_GET_MINOR(wl->hw_pg_ver); 1496 1497 /* in wl128x we have the MAC address if the PG is >= (2, 1) */ 1498 if (major > 2 || (major == 2 && minor >= 1)) 1499 supported = true; 1500 } else { 1501 major = WL127X_PG_GET_MAJOR(wl->hw_pg_ver); 1502 minor = WL127X_PG_GET_MINOR(wl->hw_pg_ver); 1503 1504 /* in wl127x we have the MAC address if the PG is >= (3, 1) */ 1505 if (major == 3 && minor >= 1) 1506 supported = true; 1507 } 1508 1509 wl1271_debug(DEBUG_PROBE, 1510 "PG Ver major = %d minor = %d, MAC %s present", 1511 major, minor, supported ? "is" : "is not"); 1512 1513 return supported; 1514} 1515 1516static int wl12xx_get_fuse_mac(struct wl1271 *wl) 1517{ 1518 u32 mac1, mac2; 1519 int ret; 1520 1521 ret = wlcore_set_partition(wl, &wl->ptable[PART_DRPW]); 1522 if (ret < 0) 1523 goto out; 1524 1525 ret = wlcore_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1, &mac1); 1526 if (ret < 0) 1527 goto out; 1528 1529 ret = wlcore_read32(wl, WL12XX_REG_FUSE_BD_ADDR_2, &mac2); 1530 if (ret < 0) 1531 goto out; 1532 1533 /* these are the two parts of the BD_ADDR */ 1534 wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) + 1535 ((mac1 & 0xff000000) >> 24); 1536 wl->fuse_nic_addr = mac1 & 0xffffff; 1537 1538 ret = wlcore_set_partition(wl, &wl->ptable[PART_DOWN]); 1539 1540out: 1541 return ret; 1542} 1543 1544static int wl12xx_get_pg_ver(struct wl1271 *wl, s8 *ver) 1545{ 1546 u16 die_info; 1547 int ret; 1548 1549 if (wl->chip.id == CHIP_ID_128X_PG20) 1550 ret = wl12xx_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1, 1551 &die_info); 1552 else 1553 ret = wl12xx_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1, 1554 &die_info); 1555 1556 if (ret >= 0 && ver) 1557 *ver = (s8)((die_info & PG_VER_MASK) >> PG_VER_OFFSET); 1558 1559 return ret; 1560} 1561 1562static int wl12xx_get_mac(struct wl1271 *wl) 1563{ 1564 if (wl12xx_mac_in_fuse(wl)) 1565 return wl12xx_get_fuse_mac(wl); 1566 1567 return 0; 1568} 1569 1570static void wl12xx_set_tx_desc_csum(struct wl1271 *wl, 1571 struct wl1271_tx_hw_descr *desc, 1572 struct sk_buff *skb) 1573{ 1574 desc->wl12xx_reserved = 0; 1575} 1576 1577static int wl12xx_plt_init(struct wl1271 *wl) 1578{ 1579 int ret; 1580 1581 ret = wl->ops->boot(wl); 1582 if (ret < 0) 1583 goto out; 1584 1585 ret = wl->ops->hw_init(wl); 1586 if (ret < 0) 1587 goto out_irq_disable; 1588 1589 /* 1590 * If we are in calibrator based auto detect then we got the FEM nr 1591 * in wl->fem_manuf. No need to continue further 1592 */ 1593 if (wl->plt_mode == PLT_FEM_DETECT) 1594 goto out; 1595 1596 ret = wl1271_acx_init_mem_config(wl); 1597 if (ret < 0) 1598 goto out_irq_disable; 1599 1600 ret = wl12xx_acx_mem_cfg(wl); 1601 if (ret < 0) 1602 goto out_free_memmap; 1603 1604 /* Enable data path */ 1605 ret = wl1271_cmd_data_path(wl, 1); 1606 if (ret < 0) 1607 goto out_free_memmap; 1608 1609 /* Configure for CAM power saving (ie. always active) */ 1610 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); 1611 if (ret < 0) 1612 goto out_free_memmap; 1613 1614 /* configure PM */ 1615 ret = wl1271_acx_pm_config(wl); 1616 if (ret < 0) 1617 goto out_free_memmap; 1618 1619 goto out; 1620 1621out_free_memmap: 1622 kfree(wl->target_mem_map); 1623 wl->target_mem_map = NULL; 1624 1625out_irq_disable: 1626 mutex_unlock(&wl->mutex); 1627 /* Unlocking the mutex in the middle of handling is 1628 inherently unsafe. In this case we deem it safe to do, 1629 because we need to let any possibly pending IRQ out of 1630 the system (and while we are WL1271_STATE_OFF the IRQ 1631 work function will not do anything.) Also, any other 1632 possible concurrent operations will fail due to the 1633 current state, hence the wl1271 struct should be safe. */ 1634 wlcore_disable_interrupts(wl); 1635 mutex_lock(&wl->mutex); 1636out: 1637 return ret; 1638} 1639 1640static int wl12xx_get_spare_blocks(struct wl1271 *wl, bool is_gem) 1641{ 1642 if (is_gem) 1643 return WL12XX_TX_HW_BLOCK_GEM_SPARE; 1644 1645 return WL12XX_TX_HW_BLOCK_SPARE_DEFAULT; 1646} 1647 1648static int wl12xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd, 1649 struct ieee80211_vif *vif, 1650 struct ieee80211_sta *sta, 1651 struct ieee80211_key_conf *key_conf) 1652{ 1653 return wlcore_set_key(wl, cmd, vif, sta, key_conf); 1654} 1655 1656static int wl12xx_set_peer_cap(struct wl1271 *wl, 1657 struct ieee80211_sta_ht_cap *ht_cap, 1658 bool allow_ht_operation, 1659 u32 rate_set, u8 hlid) 1660{ 1661 return wl1271_acx_set_ht_capabilities(wl, ht_cap, allow_ht_operation, 1662 hlid); 1663} 1664 1665static bool wl12xx_lnk_high_prio(struct wl1271 *wl, u8 hlid, 1666 struct wl1271_link *lnk) 1667{ 1668 u8 thold; 1669 1670 if (test_bit(hlid, &wl->fw_fast_lnk_map)) 1671 thold = wl->conf.tx.fast_link_thold; 1672 else 1673 thold = wl->conf.tx.slow_link_thold; 1674 1675 return lnk->allocated_pkts < thold; 1676} 1677 1678static bool wl12xx_lnk_low_prio(struct wl1271 *wl, u8 hlid, 1679 struct wl1271_link *lnk) 1680{ 1681 /* any link is good for low priority */ 1682 return true; 1683} 1684 1685static u32 wl12xx_convert_hwaddr(struct wl1271 *wl, u32 hwaddr) 1686{ 1687 return hwaddr << 5; 1688} 1689 1690static int wl12xx_setup(struct wl1271 *wl); 1691 1692static struct wlcore_ops wl12xx_ops = { 1693 .setup = wl12xx_setup, 1694 .identify_chip = wl12xx_identify_chip, 1695 .boot = wl12xx_boot, 1696 .plt_init = wl12xx_plt_init, 1697 .trigger_cmd = wl12xx_trigger_cmd, 1698 .ack_event = wl12xx_ack_event, 1699 .wait_for_event = wl12xx_wait_for_event, 1700 .process_mailbox_events = wl12xx_process_mailbox_events, 1701 .calc_tx_blocks = wl12xx_calc_tx_blocks, 1702 .set_tx_desc_blocks = wl12xx_set_tx_desc_blocks, 1703 .set_tx_desc_data_len = wl12xx_set_tx_desc_data_len, 1704 .get_rx_buf_align = wl12xx_get_rx_buf_align, 1705 .get_rx_packet_len = wl12xx_get_rx_packet_len, 1706 .tx_immediate_compl = NULL, 1707 .tx_delayed_compl = wl12xx_tx_delayed_compl, 1708 .hw_init = wl12xx_hw_init, 1709 .init_vif = NULL, 1710 .convert_fw_status = wl12xx_convert_fw_status, 1711 .sta_get_ap_rate_mask = wl12xx_sta_get_ap_rate_mask, 1712 .get_pg_ver = wl12xx_get_pg_ver, 1713 .get_mac = wl12xx_get_mac, 1714 .set_tx_desc_csum = wl12xx_set_tx_desc_csum, 1715 .set_rx_csum = NULL, 1716 .ap_get_mimo_wide_rate_mask = NULL, 1717 .debugfs_init = wl12xx_debugfs_add_files, 1718 .scan_start = wl12xx_scan_start, 1719 .scan_stop = wl12xx_scan_stop, 1720 .sched_scan_start = wl12xx_sched_scan_start, 1721 .sched_scan_stop = wl12xx_scan_sched_scan_stop, 1722 .get_spare_blocks = wl12xx_get_spare_blocks, 1723 .set_key = wl12xx_set_key, 1724 .channel_switch = wl12xx_cmd_channel_switch, 1725 .pre_pkt_send = NULL, 1726 .set_peer_cap = wl12xx_set_peer_cap, 1727 .convert_hwaddr = wl12xx_convert_hwaddr, 1728 .lnk_high_prio = wl12xx_lnk_high_prio, 1729 .lnk_low_prio = wl12xx_lnk_low_prio, 1730 .interrupt_notify = NULL, 1731 .rx_ba_filter = NULL, 1732 .ap_sleep = NULL, 1733}; 1734 1735static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { 1736 .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | 1737 (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT), 1738 .ht_supported = true, 1739 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, 1740 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, 1741 .mcs = { 1742 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, 1743 .rx_highest = cpu_to_le16(72), 1744 .tx_params = IEEE80211_HT_MCS_TX_DEFINED, 1745 }, 1746}; 1747 1748static const struct ieee80211_iface_limit wl12xx_iface_limits[] = { 1749 { 1750 .max = 3, 1751 .types = BIT(NL80211_IFTYPE_STATION), 1752 }, 1753 { 1754 .max = 1, 1755 .types = BIT(NL80211_IFTYPE_AP) | 1756 BIT(NL80211_IFTYPE_P2P_GO) | 1757 BIT(NL80211_IFTYPE_P2P_CLIENT), 1758 }, 1759}; 1760 1761static const struct ieee80211_iface_combination 1762wl12xx_iface_combinations[] = { 1763 { 1764 .max_interfaces = 3, 1765 .limits = wl12xx_iface_limits, 1766 .n_limits = ARRAY_SIZE(wl12xx_iface_limits), 1767 .num_different_channels = 1, 1768 }, 1769}; 1770 1771static const struct wl12xx_clock wl12xx_refclock_table[] = { 1772 { 19200000, false, WL12XX_REFCLOCK_19 }, 1773 { 26000000, false, WL12XX_REFCLOCK_26 }, 1774 { 26000000, true, WL12XX_REFCLOCK_26_XTAL }, 1775 { 38400000, false, WL12XX_REFCLOCK_38 }, 1776 { 38400000, true, WL12XX_REFCLOCK_38_XTAL }, 1777 { 52000000, false, WL12XX_REFCLOCK_52 }, 1778 { 0, false, 0 } 1779}; 1780 1781static const struct wl12xx_clock wl12xx_tcxoclock_table[] = { 1782 { 16368000, true, WL12XX_TCXOCLOCK_16_368 }, 1783 { 16800000, true, WL12XX_TCXOCLOCK_16_8 }, 1784 { 19200000, true, WL12XX_TCXOCLOCK_19_2 }, 1785 { 26000000, true, WL12XX_TCXOCLOCK_26 }, 1786 { 32736000, true, WL12XX_TCXOCLOCK_32_736 }, 1787 { 33600000, true, WL12XX_TCXOCLOCK_33_6 }, 1788 { 38400000, true, WL12XX_TCXOCLOCK_38_4 }, 1789 { 52000000, true, WL12XX_TCXOCLOCK_52 }, 1790 { 0, false, 0 } 1791}; 1792 1793static int wl12xx_get_clock_idx(const struct wl12xx_clock *table, 1794 u32 freq, bool xtal) 1795{ 1796 int i; 1797 1798 for (i = 0; table[i].freq != 0; i++) 1799 if ((table[i].freq == freq) && (table[i].xtal == xtal)) 1800 return table[i].hw_idx; 1801 1802 return -EINVAL; 1803} 1804 1805static int wl12xx_setup(struct wl1271 *wl) 1806{ 1807 struct wl12xx_priv *priv = wl->priv; 1808 struct wlcore_platdev_data *pdev_data = dev_get_platdata(&wl->pdev->dev); 1809 1810 BUILD_BUG_ON(WL12XX_MAX_LINKS > WLCORE_MAX_LINKS); 1811 BUILD_BUG_ON(WL12XX_MAX_AP_STATIONS > WL12XX_MAX_LINKS); 1812 1813 wl->rtable = wl12xx_rtable; 1814 wl->num_tx_desc = WL12XX_NUM_TX_DESCRIPTORS; 1815 wl->num_rx_desc = WL12XX_NUM_RX_DESCRIPTORS; 1816 wl->num_links = WL12XX_MAX_LINKS; 1817 wl->max_ap_stations = WL12XX_MAX_AP_STATIONS; 1818 wl->iface_combinations = wl12xx_iface_combinations; 1819 wl->n_iface_combinations = ARRAY_SIZE(wl12xx_iface_combinations); 1820 wl->num_mac_addr = WL12XX_NUM_MAC_ADDRESSES; 1821 wl->band_rate_to_idx = wl12xx_band_rate_to_idx; 1822 wl->hw_tx_rate_tbl_size = WL12XX_CONF_HW_RXTX_RATE_MAX; 1823 wl->hw_min_ht_rate = WL12XX_CONF_HW_RXTX_RATE_MCS0; 1824 wl->fw_status_len = sizeof(struct wl12xx_fw_status); 1825 wl->fw_status_priv_len = 0; 1826 wl->stats.fw_stats_len = sizeof(struct wl12xx_acx_statistics); 1827 wl->ofdm_only_ap = true; 1828 wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ, &wl12xx_ht_cap); 1829 wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ, &wl12xx_ht_cap); 1830 wl12xx_conf_init(wl); 1831 1832 if (!fref_param) { 1833 priv->ref_clock = wl12xx_get_clock_idx(wl12xx_refclock_table, 1834 pdev_data->ref_clock_freq, 1835 pdev_data->ref_clock_xtal); 1836 if (priv->ref_clock < 0) { 1837 wl1271_error("Invalid ref_clock frequency (%d Hz, %s)", 1838 pdev_data->ref_clock_freq, 1839 pdev_data->ref_clock_xtal ? 1840 "XTAL" : "not XTAL"); 1841 1842 return priv->ref_clock; 1843 } 1844 } else { 1845 if (!strcmp(fref_param, "19.2")) 1846 priv->ref_clock = WL12XX_REFCLOCK_19; 1847 else if (!strcmp(fref_param, "26")) 1848 priv->ref_clock = WL12XX_REFCLOCK_26; 1849 else if (!strcmp(fref_param, "26x")) 1850 priv->ref_clock = WL12XX_REFCLOCK_26_XTAL; 1851 else if (!strcmp(fref_param, "38.4")) 1852 priv->ref_clock = WL12XX_REFCLOCK_38; 1853 else if (!strcmp(fref_param, "38.4x")) 1854 priv->ref_clock = WL12XX_REFCLOCK_38_XTAL; 1855 else if (!strcmp(fref_param, "52")) 1856 priv->ref_clock = WL12XX_REFCLOCK_52; 1857 else 1858 wl1271_error("Invalid fref parameter %s", fref_param); 1859 } 1860 1861 if (!tcxo_param && pdev_data->tcxo_clock_freq) { 1862 priv->tcxo_clock = wl12xx_get_clock_idx(wl12xx_tcxoclock_table, 1863 pdev_data->tcxo_clock_freq, 1864 true); 1865 if (priv->tcxo_clock < 0) { 1866 wl1271_error("Invalid tcxo_clock frequency (%d Hz)", 1867 pdev_data->tcxo_clock_freq); 1868 1869 return priv->tcxo_clock; 1870 } 1871 } else if (tcxo_param) { 1872 if (!strcmp(tcxo_param, "19.2")) 1873 priv->tcxo_clock = WL12XX_TCXOCLOCK_19_2; 1874 else if (!strcmp(tcxo_param, "26")) 1875 priv->tcxo_clock = WL12XX_TCXOCLOCK_26; 1876 else if (!strcmp(tcxo_param, "38.4")) 1877 priv->tcxo_clock = WL12XX_TCXOCLOCK_38_4; 1878 else if (!strcmp(tcxo_param, "52")) 1879 priv->tcxo_clock = WL12XX_TCXOCLOCK_52; 1880 else if (!strcmp(tcxo_param, "16.368")) 1881 priv->tcxo_clock = WL12XX_TCXOCLOCK_16_368; 1882 else if (!strcmp(tcxo_param, "32.736")) 1883 priv->tcxo_clock = WL12XX_TCXOCLOCK_32_736; 1884 else if (!strcmp(tcxo_param, "16.8")) 1885 priv->tcxo_clock = WL12XX_TCXOCLOCK_16_8; 1886 else if (!strcmp(tcxo_param, "33.6")) 1887 priv->tcxo_clock = WL12XX_TCXOCLOCK_33_6; 1888 else 1889 wl1271_error("Invalid tcxo parameter %s", tcxo_param); 1890 } 1891 1892 priv->rx_mem_addr = kmalloc(sizeof(*priv->rx_mem_addr), GFP_KERNEL); 1893 if (!priv->rx_mem_addr) 1894 return -ENOMEM; 1895 1896 return 0; 1897} 1898 1899static int wl12xx_probe(struct platform_device *pdev) 1900{ 1901 struct wl1271 *wl; 1902 struct ieee80211_hw *hw; 1903 int ret; 1904 1905 hw = wlcore_alloc_hw(sizeof(struct wl12xx_priv), 1906 WL12XX_AGGR_BUFFER_SIZE, 1907 sizeof(struct wl12xx_event_mailbox)); 1908 if (IS_ERR(hw)) { 1909 wl1271_error("can't allocate hw"); 1910 ret = PTR_ERR(hw); 1911 goto out; 1912 } 1913 1914 wl = hw->priv; 1915 wl->ops = &wl12xx_ops; 1916 wl->ptable = wl12xx_ptable; 1917 ret = wlcore_probe(wl, pdev); 1918 if (ret) 1919 goto out_free; 1920 1921 return ret; 1922 1923out_free: 1924 wlcore_free_hw(wl); 1925out: 1926 return ret; 1927} 1928 1929static int wl12xx_remove(struct platform_device *pdev) 1930{ 1931 struct wl1271 *wl = platform_get_drvdata(pdev); 1932 struct wl12xx_priv *priv; 1933 1934 if (!wl) 1935 goto out; 1936 priv = wl->priv; 1937 1938 kfree(priv->rx_mem_addr); 1939 1940out: 1941 return wlcore_remove(pdev); 1942} 1943 1944static const struct platform_device_id wl12xx_id_table[] = { 1945 { "wl12xx", 0 }, 1946 { } /* Terminating Entry */ 1947}; 1948MODULE_DEVICE_TABLE(platform, wl12xx_id_table); 1949 1950static struct platform_driver wl12xx_driver = { 1951 .probe = wl12xx_probe, 1952 .remove = wl12xx_remove, 1953 .id_table = wl12xx_id_table, 1954 .driver = { 1955 .name = "wl12xx_driver", 1956 } 1957}; 1958 1959module_platform_driver(wl12xx_driver); 1960 1961module_param_named(fref, fref_param, charp, 0); 1962MODULE_PARM_DESC(fref, "FREF clock: 19.2, 26, 26x, 38.4, 38.4x, 52"); 1963 1964module_param_named(tcxo, tcxo_param, charp, 0); 1965MODULE_PARM_DESC(tcxo, 1966 "TCXO clock: 19.2, 26, 38.4, 52, 16.368, 32.736, 16.8, 33.6"); 1967 1968MODULE_LICENSE("GPL v2"); 1969MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); 1970MODULE_FIRMWARE(WL127X_FW_NAME_SINGLE); 1971MODULE_FIRMWARE(WL127X_FW_NAME_MULTI); 1972MODULE_FIRMWARE(WL127X_PLT_FW_NAME); 1973MODULE_FIRMWARE(WL128X_FW_NAME_SINGLE); 1974MODULE_FIRMWARE(WL128X_FW_NAME_MULTI); 1975MODULE_FIRMWARE(WL128X_PLT_FW_NAME); 1976