1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * This file is part of wl1271 4 * 5 * Copyright (C) 2008-2010 Nokia Corporation 6 */ 7 8 #include <linux/module.h> 9 #include <linux/mod_devicetable.h> 10 #include <linux/platform_device.h> 11 12 #include <linux/err.h> 13 14 #include "../wlcore/wlcore.h" 15 #include "../wlcore/debug.h" 16 #include "../wlcore/io.h" 17 #include "../wlcore/acx.h" 18 #include "../wlcore/tx.h" 19 #include "../wlcore/rx.h" 20 #include "../wlcore/boot.h" 21 22 #include "wl12xx.h" 23 #include "reg.h" 24 #include "cmd.h" 25 #include "acx.h" 26 #include "scan.h" 27 #include "event.h" 28 #include "debugfs.h" 29 #include "conf.h" 30 31 static char *fref_param; 32 static char *tcxo_param; 33 34 static struct wlcore_conf wl12xx_conf = { 35 .sg = { 36 .params = { 37 [WL12XX_CONF_SG_ACL_BT_MASTER_MIN_BR] = 10, 38 [WL12XX_CONF_SG_ACL_BT_MASTER_MAX_BR] = 180, 39 [WL12XX_CONF_SG_ACL_BT_SLAVE_MIN_BR] = 10, 40 [WL12XX_CONF_SG_ACL_BT_SLAVE_MAX_BR] = 180, 41 [WL12XX_CONF_SG_ACL_BT_MASTER_MIN_EDR] = 10, 42 [WL12XX_CONF_SG_ACL_BT_MASTER_MAX_EDR] = 80, 43 [WL12XX_CONF_SG_ACL_BT_SLAVE_MIN_EDR] = 10, 44 [WL12XX_CONF_SG_ACL_BT_SLAVE_MAX_EDR] = 80, 45 [WL12XX_CONF_SG_ACL_WLAN_PS_MASTER_BR] = 8, 46 [WL12XX_CONF_SG_ACL_WLAN_PS_SLAVE_BR] = 8, 47 [WL12XX_CONF_SG_ACL_WLAN_PS_MASTER_EDR] = 20, 48 [WL12XX_CONF_SG_ACL_WLAN_PS_SLAVE_EDR] = 20, 49 [WL12XX_CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_BR] = 20, 50 [WL12XX_CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_BR] = 35, 51 [WL12XX_CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_BR] = 16, 52 [WL12XX_CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_BR] = 35, 53 [WL12XX_CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_EDR] = 32, 54 [WL12XX_CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_EDR] = 50, 55 [WL12XX_CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_EDR] = 28, 56 [WL12XX_CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_EDR] = 50, 57 [WL12XX_CONF_SG_ACL_ACTIVE_SCAN_WLAN_BR] = 10, 58 [WL12XX_CONF_SG_ACL_ACTIVE_SCAN_WLAN_EDR] = 20, 59 [WL12XX_CONF_SG_ACL_PASSIVE_SCAN_BT_BR] = 75, 60 [WL12XX_CONF_SG_ACL_PASSIVE_SCAN_WLAN_BR] = 15, 61 [WL12XX_CONF_SG_ACL_PASSIVE_SCAN_BT_EDR] = 27, 62 [WL12XX_CONF_SG_ACL_PASSIVE_SCAN_WLAN_EDR] = 17, 63 /* active scan params */ 64 [WL12XX_CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, 65 [WL12XX_CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, 66 [WL12XX_CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, 67 /* passive scan params */ 68 [WL12XX_CONF_SG_PASSIVE_SCAN_DUR_FACTOR_A2DP_BR] = 800, 69 [WL12XX_CONF_SG_PASSIVE_SCAN_DUR_FACTOR_A2DP_EDR] = 200, 70 [WL12XX_CONF_SG_PASSIVE_SCAN_DUR_FACTOR_HV3] = 200, 71 /* passive scan in dual antenna params */ 72 [WL12XX_CONF_SG_CONSECUTIVE_HV3_IN_PASSIVE_SCAN] = 0, 73 [WL12XX_CONF_SG_BCN_HV3_COLL_THR_IN_PASSIVE_SCAN] = 0, 74 [WL12XX_CONF_SG_TX_RX_PROTECT_BW_IN_PASSIVE_SCAN] = 0, 75 /* general params */ 76 [WL12XX_CONF_SG_STA_FORCE_PS_IN_BT_SCO] = 1, 77 [WL12XX_CONF_SG_ANTENNA_CONFIGURATION] = 0, 78 [WL12XX_CONF_SG_BEACON_MISS_PERCENT] = 60, 79 [WL12XX_CONF_SG_DHCP_TIME] = 5000, 80 [WL12XX_CONF_SG_RXT] = 1200, 81 [WL12XX_CONF_SG_TXT] = 1000, 82 [WL12XX_CONF_SG_ADAPTIVE_RXT_TXT] = 1, 83 [WL12XX_CONF_SG_GENERAL_USAGE_BIT_MAP] = 3, 84 [WL12XX_CONF_SG_HV3_MAX_SERVED] = 6, 85 [WL12XX_CONF_SG_PS_POLL_TIMEOUT] = 10, 86 [WL12XX_CONF_SG_UPSD_TIMEOUT] = 10, 87 [WL12XX_CONF_SG_CONSECUTIVE_CTS_THRESHOLD] = 2, 88 [WL12XX_CONF_SG_STA_RX_WINDOW_AFTER_DTIM] = 5, 89 [WL12XX_CONF_SG_STA_CONNECTION_PROTECTION_TIME] = 30, 90 /* AP params */ 91 [WL12XX_CONF_AP_BEACON_MISS_TX] = 3, 92 [WL12XX_CONF_AP_RX_WINDOW_AFTER_BEACON] = 10, 93 [WL12XX_CONF_AP_BEACON_WINDOW_INTERVAL] = 2, 94 [WL12XX_CONF_AP_CONNECTION_PROTECTION_TIME] = 0, 95 [WL12XX_CONF_AP_BT_ACL_VAL_BT_SERVE_TIME] = 25, 96 [WL12XX_CONF_AP_BT_ACL_VAL_WL_SERVE_TIME] = 25, 97 /* CTS Diluting params */ 98 [WL12XX_CONF_SG_CTS_DILUTED_BAD_RX_PACKETS_TH] = 0, 99 [WL12XX_CONF_SG_CTS_CHOP_IN_DUAL_ANT_SCO_MASTER] = 0, 100 }, 101 .state = CONF_SG_PROTECTIVE, 102 }, 103 .rx = { 104 .rx_msdu_life_time = 512000, 105 .packet_detection_threshold = 0, 106 .ps_poll_timeout = 15, 107 .upsd_timeout = 15, 108 .rts_threshold = IEEE80211_MAX_RTS_THRESHOLD, 109 .rx_cca_threshold = 0, 110 .irq_blk_threshold = 0xFFFF, 111 .irq_pkt_threshold = 0, 112 .irq_timeout = 600, 113 .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, 114 }, 115 .tx = { 116 .tx_energy_detection = 0, 117 .sta_rc_conf = { 118 .enabled_rates = 0, 119 .short_retry_limit = 10, 120 .long_retry_limit = 10, 121 .aflags = 0, 122 }, 123 .ac_conf_count = 4, 124 .ac_conf = { 125 [CONF_TX_AC_BE] = { 126 .ac = CONF_TX_AC_BE, 127 .cw_min = 15, 128 .cw_max = 63, 129 .aifsn = 3, 130 .tx_op_limit = 0, 131 }, 132 [CONF_TX_AC_BK] = { 133 .ac = CONF_TX_AC_BK, 134 .cw_min = 15, 135 .cw_max = 63, 136 .aifsn = 7, 137 .tx_op_limit = 0, 138 }, 139 [CONF_TX_AC_VI] = { 140 .ac = CONF_TX_AC_VI, 141 .cw_min = 15, 142 .cw_max = 63, 143 .aifsn = CONF_TX_AIFS_PIFS, 144 .tx_op_limit = 3008, 145 }, 146 [CONF_TX_AC_VO] = { 147 .ac = CONF_TX_AC_VO, 148 .cw_min = 15, 149 .cw_max = 63, 150 .aifsn = CONF_TX_AIFS_PIFS, 151 .tx_op_limit = 1504, 152 }, 153 }, 154 .max_tx_retries = 100, 155 .ap_aging_period = 300, 156 .tid_conf_count = 4, 157 .tid_conf = { 158 [CONF_TX_AC_BE] = { 159 .queue_id = CONF_TX_AC_BE, 160 .channel_type = CONF_CHANNEL_TYPE_EDCF, 161 .tsid = CONF_TX_AC_BE, 162 .ps_scheme = CONF_PS_SCHEME_LEGACY, 163 .ack_policy = CONF_ACK_POLICY_LEGACY, 164 .apsd_conf = {0, 0}, 165 }, 166 [CONF_TX_AC_BK] = { 167 .queue_id = CONF_TX_AC_BK, 168 .channel_type = CONF_CHANNEL_TYPE_EDCF, 169 .tsid = CONF_TX_AC_BK, 170 .ps_scheme = CONF_PS_SCHEME_LEGACY, 171 .ack_policy = CONF_ACK_POLICY_LEGACY, 172 .apsd_conf = {0, 0}, 173 }, 174 [CONF_TX_AC_VI] = { 175 .queue_id = CONF_TX_AC_VI, 176 .channel_type = CONF_CHANNEL_TYPE_EDCF, 177 .tsid = CONF_TX_AC_VI, 178 .ps_scheme = CONF_PS_SCHEME_LEGACY, 179 .ack_policy = CONF_ACK_POLICY_LEGACY, 180 .apsd_conf = {0, 0}, 181 }, 182 [CONF_TX_AC_VO] = { 183 .queue_id = CONF_TX_AC_VO, 184 .channel_type = CONF_CHANNEL_TYPE_EDCF, 185 .tsid = CONF_TX_AC_VO, 186 .ps_scheme = CONF_PS_SCHEME_LEGACY, 187 .ack_policy = CONF_ACK_POLICY_LEGACY, 188 .apsd_conf = {0, 0}, 189 }, 190 }, 191 .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, 192 .tx_compl_timeout = 700, 193 .tx_compl_threshold = 4, 194 .basic_rate = CONF_HW_BIT_RATE_1MBPS, 195 .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS, 196 .tmpl_short_retry_limit = 10, 197 .tmpl_long_retry_limit = 10, 198 .tx_watchdog_timeout = 5000, 199 .slow_link_thold = 3, 200 .fast_link_thold = 10, 201 }, 202 .conn = { 203 .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, 204 .listen_interval = 1, 205 .suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM, 206 .suspend_listen_interval = 3, 207 .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, 208 .bcn_filt_ie_count = 3, 209 .bcn_filt_ie = { 210 [0] = { 211 .ie = WLAN_EID_CHANNEL_SWITCH, 212 .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, 213 }, 214 [1] = { 215 .ie = WLAN_EID_HT_OPERATION, 216 .rule = CONF_BCN_RULE_PASS_ON_CHANGE, 217 }, 218 [2] = { 219 .ie = WLAN_EID_ERP_INFO, 220 .rule = CONF_BCN_RULE_PASS_ON_CHANGE, 221 }, 222 }, 223 .synch_fail_thold = 12, 224 .bss_lose_timeout = 400, 225 .beacon_rx_timeout = 10000, 226 .broadcast_timeout = 20000, 227 .rx_broadcast_in_ps = 1, 228 .ps_poll_threshold = 10, 229 .bet_enable = CONF_BET_MODE_ENABLE, 230 .bet_max_consecutive = 50, 231 .psm_entry_retries = 8, 232 .psm_exit_retries = 16, 233 .psm_entry_nullfunc_retries = 3, 234 .dynamic_ps_timeout = 1500, 235 .forced_ps = false, 236 .keep_alive_interval = 55000, 237 .max_listen_interval = 20, 238 .sta_sleep_auth = WL1271_PSM_ILLEGAL, 239 .suspend_rx_ba_activity = 0, 240 }, 241 .itrim = { 242 .enable = false, 243 .timeout = 50000, 244 }, 245 .pm_config = { 246 .host_clk_settling_time = 5000, 247 .host_fast_wakeup_support = CONF_FAST_WAKEUP_DISABLE, 248 }, 249 .roam_trigger = { 250 .trigger_pacing = 1, 251 .avg_weight_rssi_beacon = 20, 252 .avg_weight_rssi_data = 10, 253 .avg_weight_snr_beacon = 20, 254 .avg_weight_snr_data = 10, 255 }, 256 .scan = { 257 .min_dwell_time_active = 7500, 258 .max_dwell_time_active = 30000, 259 .min_dwell_time_active_long = 25000, 260 .max_dwell_time_active_long = 50000, 261 .dwell_time_passive = 100000, 262 .dwell_time_dfs = 150000, 263 .num_probe_reqs = 2, 264 .split_scan_timeout = 50000, 265 }, 266 .sched_scan = { 267 /* 268 * Values are in TU/1000 but since sched scan FW command 269 * params are in TUs rounding up may occur. 270 */ 271 .base_dwell_time = 7500, 272 .max_dwell_time_delta = 22500, 273 /* based on 250bits per probe @1Mbps */ 274 .dwell_time_delta_per_probe = 2000, 275 /* based on 250bits per probe @6Mbps (plus a bit more) */ 276 .dwell_time_delta_per_probe_5 = 350, 277 .dwell_time_passive = 100000, 278 .dwell_time_dfs = 150000, 279 .num_probe_reqs = 2, 280 .rssi_threshold = -90, 281 .snr_threshold = 0, 282 }, 283 .ht = { 284 .rx_ba_win_size = 8, 285 .tx_ba_win_size = 64, 286 .inactivity_timeout = 10000, 287 .tx_ba_tid_bitmap = CONF_TX_BA_ENABLED_TID_BITMAP, 288 }, 289 /* 290 * Memory config for wl127x chips is given in the 291 * wl12xx_default_priv_conf struct. The below configuration is 292 * for wl128x chips. 293 */ 294 .mem = { 295 .num_stations = 1, 296 .ssid_profiles = 1, 297 .rx_block_num = 40, 298 .tx_min_block_num = 40, 299 .dynamic_memory = 1, 300 .min_req_tx_blocks = 45, 301 .min_req_rx_blocks = 22, 302 .tx_min = 27, 303 }, 304 .fm_coex = { 305 .enable = true, 306 .swallow_period = 5, 307 .n_divider_fref_set_1 = 0xff, /* default */ 308 .n_divider_fref_set_2 = 12, 309 .m_divider_fref_set_1 = 0xffff, 310 .m_divider_fref_set_2 = 148, /* default */ 311 .coex_pll_stabilization_time = 0xffffffff, /* default */ 312 .ldo_stabilization_time = 0xffff, /* default */ 313 .fm_disturbed_band_margin = 0xff, /* default */ 314 .swallow_clk_diff = 0xff, /* default */ 315 }, 316 .rx_streaming = { 317 .duration = 150, 318 .queues = 0x1, 319 .interval = 20, 320 .always = 0, 321 }, 322 .fwlog = { 323 .mode = WL12XX_FWLOG_CONTINUOUS, 324 .mem_blocks = 2, 325 .severity = 0, 326 .timestamp = WL12XX_FWLOG_TIMESTAMP_DISABLED, 327 .output = WL12XX_FWLOG_OUTPUT_DBG_PINS, 328 .threshold = 0, 329 }, 330 .rate = { 331 .rate_retry_score = 32000, 332 .per_add = 8192, 333 .per_th1 = 2048, 334 .per_th2 = 4096, 335 .max_per = 8100, 336 .inverse_curiosity_factor = 5, 337 .tx_fail_low_th = 4, 338 .tx_fail_high_th = 10, 339 .per_alpha_shift = 4, 340 .per_add_shift = 13, 341 .per_beta1_shift = 10, 342 .per_beta2_shift = 8, 343 .rate_check_up = 2, 344 .rate_check_down = 12, 345 .rate_retry_policy = { 346 0x00, 0x00, 0x00, 0x00, 0x00, 347 0x00, 0x00, 0x00, 0x00, 0x00, 348 0x00, 0x00, 0x00, 349 }, 350 }, 351 .hangover = { 352 .recover_time = 0, 353 .hangover_period = 20, 354 .dynamic_mode = 1, 355 .early_termination_mode = 1, 356 .max_period = 20, 357 .min_period = 1, 358 .increase_delta = 1, 359 .decrease_delta = 2, 360 .quiet_time = 4, 361 .increase_time = 1, 362 .window_size = 16, 363 }, 364 .recovery = { 365 .bug_on_recovery = 0, 366 .no_recovery = 0, 367 }, 368 }; 369 370 static struct wl12xx_priv_conf wl12xx_default_priv_conf = { 371 .rf = { 372 .tx_per_channel_power_compensation_2 = { 373 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 374 }, 375 .tx_per_channel_power_compensation_5 = { 376 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 377 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 378 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 379 }, 380 }, 381 .mem_wl127x = { 382 .num_stations = 1, 383 .ssid_profiles = 1, 384 .rx_block_num = 70, 385 .tx_min_block_num = 40, 386 .dynamic_memory = 1, 387 .min_req_tx_blocks = 100, 388 .min_req_rx_blocks = 22, 389 .tx_min = 27, 390 }, 391 392 }; 393 394 #define WL12XX_TX_HW_BLOCK_SPARE_DEFAULT 1 395 #define WL12XX_TX_HW_BLOCK_GEM_SPARE 2 396 #define WL12XX_TX_HW_BLOCK_SIZE 252 397 398 static const u8 wl12xx_rate_to_idx_2ghz[] = { 399 /* MCS rates are used only with 11n */ 400 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI */ 401 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7 */ 402 6, /* WL12XX_CONF_HW_RXTX_RATE_MCS6 */ 403 5, /* WL12XX_CONF_HW_RXTX_RATE_MCS5 */ 404 4, /* WL12XX_CONF_HW_RXTX_RATE_MCS4 */ 405 3, /* WL12XX_CONF_HW_RXTX_RATE_MCS3 */ 406 2, /* WL12XX_CONF_HW_RXTX_RATE_MCS2 */ 407 1, /* WL12XX_CONF_HW_RXTX_RATE_MCS1 */ 408 0, /* WL12XX_CONF_HW_RXTX_RATE_MCS0 */ 409 410 11, /* WL12XX_CONF_HW_RXTX_RATE_54 */ 411 10, /* WL12XX_CONF_HW_RXTX_RATE_48 */ 412 9, /* WL12XX_CONF_HW_RXTX_RATE_36 */ 413 8, /* WL12XX_CONF_HW_RXTX_RATE_24 */ 414 415 /* TI-specific rate */ 416 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_22 */ 417 418 7, /* WL12XX_CONF_HW_RXTX_RATE_18 */ 419 6, /* WL12XX_CONF_HW_RXTX_RATE_12 */ 420 3, /* WL12XX_CONF_HW_RXTX_RATE_11 */ 421 5, /* WL12XX_CONF_HW_RXTX_RATE_9 */ 422 4, /* WL12XX_CONF_HW_RXTX_RATE_6 */ 423 2, /* WL12XX_CONF_HW_RXTX_RATE_5_5 */ 424 1, /* WL12XX_CONF_HW_RXTX_RATE_2 */ 425 0 /* WL12XX_CONF_HW_RXTX_RATE_1 */ 426 }; 427 428 static const u8 wl12xx_rate_to_idx_5ghz[] = { 429 /* MCS rates are used only with 11n */ 430 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI */ 431 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7 */ 432 6, /* WL12XX_CONF_HW_RXTX_RATE_MCS6 */ 433 5, /* WL12XX_CONF_HW_RXTX_RATE_MCS5 */ 434 4, /* WL12XX_CONF_HW_RXTX_RATE_MCS4 */ 435 3, /* WL12XX_CONF_HW_RXTX_RATE_MCS3 */ 436 2, /* WL12XX_CONF_HW_RXTX_RATE_MCS2 */ 437 1, /* WL12XX_CONF_HW_RXTX_RATE_MCS1 */ 438 0, /* WL12XX_CONF_HW_RXTX_RATE_MCS0 */ 439 440 7, /* WL12XX_CONF_HW_RXTX_RATE_54 */ 441 6, /* WL12XX_CONF_HW_RXTX_RATE_48 */ 442 5, /* WL12XX_CONF_HW_RXTX_RATE_36 */ 443 4, /* WL12XX_CONF_HW_RXTX_RATE_24 */ 444 445 /* TI-specific rate */ 446 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_22 */ 447 448 3, /* WL12XX_CONF_HW_RXTX_RATE_18 */ 449 2, /* WL12XX_CONF_HW_RXTX_RATE_12 */ 450 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_11 */ 451 1, /* WL12XX_CONF_HW_RXTX_RATE_9 */ 452 0, /* WL12XX_CONF_HW_RXTX_RATE_6 */ 453 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_5_5 */ 454 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_2 */ 455 CONF_HW_RXTX_RATE_UNSUPPORTED /* WL12XX_CONF_HW_RXTX_RATE_1 */ 456 }; 457 458 static const u8 *wl12xx_band_rate_to_idx[] = { 459 [NL80211_BAND_2GHZ] = wl12xx_rate_to_idx_2ghz, 460 [NL80211_BAND_5GHZ] = wl12xx_rate_to_idx_5ghz 461 }; 462 463 enum wl12xx_hw_rates { 464 WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI = 0, 465 WL12XX_CONF_HW_RXTX_RATE_MCS7, 466 WL12XX_CONF_HW_RXTX_RATE_MCS6, 467 WL12XX_CONF_HW_RXTX_RATE_MCS5, 468 WL12XX_CONF_HW_RXTX_RATE_MCS4, 469 WL12XX_CONF_HW_RXTX_RATE_MCS3, 470 WL12XX_CONF_HW_RXTX_RATE_MCS2, 471 WL12XX_CONF_HW_RXTX_RATE_MCS1, 472 WL12XX_CONF_HW_RXTX_RATE_MCS0, 473 WL12XX_CONF_HW_RXTX_RATE_54, 474 WL12XX_CONF_HW_RXTX_RATE_48, 475 WL12XX_CONF_HW_RXTX_RATE_36, 476 WL12XX_CONF_HW_RXTX_RATE_24, 477 WL12XX_CONF_HW_RXTX_RATE_22, 478 WL12XX_CONF_HW_RXTX_RATE_18, 479 WL12XX_CONF_HW_RXTX_RATE_12, 480 WL12XX_CONF_HW_RXTX_RATE_11, 481 WL12XX_CONF_HW_RXTX_RATE_9, 482 WL12XX_CONF_HW_RXTX_RATE_6, 483 WL12XX_CONF_HW_RXTX_RATE_5_5, 484 WL12XX_CONF_HW_RXTX_RATE_2, 485 WL12XX_CONF_HW_RXTX_RATE_1, 486 WL12XX_CONF_HW_RXTX_RATE_MAX, 487 }; 488 489 static struct wlcore_partition_set wl12xx_ptable[PART_TABLE_LEN] = { 490 [PART_DOWN] = { 491 .mem = { 492 .start = 0x00000000, 493 .size = 0x000177c0 494 }, 495 .reg = { 496 .start = REGISTERS_BASE, 497 .size = 0x00008800 498 }, 499 .mem2 = { 500 .start = 0x00000000, 501 .size = 0x00000000 502 }, 503 .mem3 = { 504 .start = 0x00000000, 505 .size = 0x00000000 506 }, 507 }, 508 509 [PART_BOOT] = { /* in wl12xx we can use a mix of work and down 510 * partition here */ 511 .mem = { 512 .start = 0x00040000, 513 .size = 0x00014fc0 514 }, 515 .reg = { 516 .start = REGISTERS_BASE, 517 .size = 0x00008800 518 }, 519 .mem2 = { 520 .start = 0x00000000, 521 .size = 0x00000000 522 }, 523 .mem3 = { 524 .start = 0x00000000, 525 .size = 0x00000000 526 }, 527 }, 528 529 [PART_WORK] = { 530 .mem = { 531 .start = 0x00040000, 532 .size = 0x00014fc0 533 }, 534 .reg = { 535 .start = REGISTERS_BASE, 536 .size = 0x0000a000 537 }, 538 .mem2 = { 539 .start = 0x003004f8, 540 .size = 0x00000004 541 }, 542 .mem3 = { 543 .start = 0x00000000, 544 .size = 0x00040404 545 }, 546 }, 547 548 [PART_DRPW] = { 549 .mem = { 550 .start = 0x00040000, 551 .size = 0x00014fc0 552 }, 553 .reg = { 554 .start = DRPW_BASE, 555 .size = 0x00006000 556 }, 557 .mem2 = { 558 .start = 0x00000000, 559 .size = 0x00000000 560 }, 561 .mem3 = { 562 .start = 0x00000000, 563 .size = 0x00000000 564 } 565 } 566 }; 567 568 static const int wl12xx_rtable[REG_TABLE_LEN] = { 569 [REG_ECPU_CONTROL] = WL12XX_REG_ECPU_CONTROL, 570 [REG_INTERRUPT_NO_CLEAR] = WL12XX_REG_INTERRUPT_NO_CLEAR, 571 [REG_INTERRUPT_ACK] = WL12XX_REG_INTERRUPT_ACK, 572 [REG_COMMAND_MAILBOX_PTR] = WL12XX_REG_COMMAND_MAILBOX_PTR, 573 [REG_EVENT_MAILBOX_PTR] = WL12XX_REG_EVENT_MAILBOX_PTR, 574 [REG_INTERRUPT_TRIG] = WL12XX_REG_INTERRUPT_TRIG, 575 [REG_INTERRUPT_MASK] = WL12XX_REG_INTERRUPT_MASK, 576 [REG_PC_ON_RECOVERY] = WL12XX_SCR_PAD4, 577 [REG_CHIP_ID_B] = WL12XX_CHIP_ID_B, 578 [REG_CMD_MBOX_ADDRESS] = WL12XX_CMD_MBOX_ADDRESS, 579 580 /* data access memory addresses, used with partition translation */ 581 [REG_SLV_MEM_DATA] = WL1271_SLV_MEM_DATA, 582 [REG_SLV_REG_DATA] = WL1271_SLV_REG_DATA, 583 584 /* raw data access memory addresses */ 585 [REG_RAW_FW_STATUS_ADDR] = FW_STATUS_ADDR, 586 }; 587 588 /* TODO: maybe move to a new header file? */ 589 #define WL127X_FW_NAME_MULTI "ti-connectivity/wl127x-fw-5-mr.bin" 590 #define WL127X_FW_NAME_SINGLE "ti-connectivity/wl127x-fw-5-sr.bin" 591 #define WL127X_PLT_FW_NAME "ti-connectivity/wl127x-fw-5-plt.bin" 592 593 #define WL128X_FW_NAME_MULTI "ti-connectivity/wl128x-fw-5-mr.bin" 594 #define WL128X_FW_NAME_SINGLE "ti-connectivity/wl128x-fw-5-sr.bin" 595 #define WL128X_PLT_FW_NAME "ti-connectivity/wl128x-fw-5-plt.bin" 596 597 static int wl127x_prepare_read(struct wl1271 *wl, u32 rx_desc, u32 len) 598 { 599 int ret; 600 601 if (wl->chip.id != CHIP_ID_128X_PG20) { 602 struct wl1271_acx_mem_map *wl_mem_map = wl->target_mem_map; 603 struct wl12xx_priv *priv = wl->priv; 604 605 /* 606 * Choose the block we want to read 607 * For aggregated packets, only the first memory block 608 * should be retrieved. The FW takes care of the rest. 609 */ 610 u32 mem_block = rx_desc & RX_MEM_BLOCK_MASK; 611 612 priv->rx_mem_addr->addr = (mem_block << 8) + 613 le32_to_cpu(wl_mem_map->packet_memory_pool_start); 614 615 priv->rx_mem_addr->addr_extra = priv->rx_mem_addr->addr + 4; 616 617 ret = wlcore_write(wl, WL1271_SLV_REG_DATA, priv->rx_mem_addr, 618 sizeof(*priv->rx_mem_addr), false); 619 if (ret < 0) 620 return ret; 621 } 622 623 return 0; 624 } 625 626 static int wl12xx_identify_chip(struct wl1271 *wl) 627 { 628 int ret = 0; 629 630 switch (wl->chip.id) { 631 case CHIP_ID_127X_PG10: 632 wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", 633 wl->chip.id); 634 635 wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | 636 WLCORE_QUIRK_DUAL_PROBE_TMPL | 637 WLCORE_QUIRK_TKIP_HEADER_SPACE | 638 WLCORE_QUIRK_START_STA_FAILS | 639 WLCORE_QUIRK_AP_ZERO_SESSION_ID; 640 wl->sr_fw_name = WL127X_FW_NAME_SINGLE; 641 wl->mr_fw_name = WL127X_FW_NAME_MULTI; 642 memcpy(&wl->conf.mem, &wl12xx_default_priv_conf.mem_wl127x, 643 sizeof(wl->conf.mem)); 644 645 /* read data preparation is only needed by wl127x */ 646 wl->ops->prepare_read = wl127x_prepare_read; 647 648 wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, 649 WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER, 650 WL127X_SUBTYPE_SR_VER, WL127X_MINOR_SR_VER, 651 WL127X_IFTYPE_MR_VER, WL127X_MAJOR_MR_VER, 652 WL127X_SUBTYPE_MR_VER, WL127X_MINOR_MR_VER); 653 break; 654 655 case CHIP_ID_127X_PG20: 656 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", 657 wl->chip.id); 658 659 wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | 660 WLCORE_QUIRK_DUAL_PROBE_TMPL | 661 WLCORE_QUIRK_TKIP_HEADER_SPACE | 662 WLCORE_QUIRK_START_STA_FAILS | 663 WLCORE_QUIRK_AP_ZERO_SESSION_ID; 664 wl->plt_fw_name = WL127X_PLT_FW_NAME; 665 wl->sr_fw_name = WL127X_FW_NAME_SINGLE; 666 wl->mr_fw_name = WL127X_FW_NAME_MULTI; 667 memcpy(&wl->conf.mem, &wl12xx_default_priv_conf.mem_wl127x, 668 sizeof(wl->conf.mem)); 669 670 /* read data preparation is only needed by wl127x */ 671 wl->ops->prepare_read = wl127x_prepare_read; 672 673 wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, 674 WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER, 675 WL127X_SUBTYPE_SR_VER, WL127X_MINOR_SR_VER, 676 WL127X_IFTYPE_MR_VER, WL127X_MAJOR_MR_VER, 677 WL127X_SUBTYPE_MR_VER, WL127X_MINOR_MR_VER); 678 break; 679 680 case CHIP_ID_128X_PG20: 681 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)", 682 wl->chip.id); 683 wl->plt_fw_name = WL128X_PLT_FW_NAME; 684 wl->sr_fw_name = WL128X_FW_NAME_SINGLE; 685 wl->mr_fw_name = WL128X_FW_NAME_MULTI; 686 687 /* wl128x requires TX blocksize alignment */ 688 wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN | 689 WLCORE_QUIRK_DUAL_PROBE_TMPL | 690 WLCORE_QUIRK_TKIP_HEADER_SPACE | 691 WLCORE_QUIRK_START_STA_FAILS | 692 WLCORE_QUIRK_AP_ZERO_SESSION_ID; 693 694 wlcore_set_min_fw_ver(wl, WL128X_CHIP_VER, 695 WL128X_IFTYPE_SR_VER, WL128X_MAJOR_SR_VER, 696 WL128X_SUBTYPE_SR_VER, WL128X_MINOR_SR_VER, 697 WL128X_IFTYPE_MR_VER, WL128X_MAJOR_MR_VER, 698 WL128X_SUBTYPE_MR_VER, WL128X_MINOR_MR_VER); 699 break; 700 case CHIP_ID_128X_PG10: 701 default: 702 wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); 703 ret = -ENODEV; 704 goto out; 705 } 706 707 wl->fw_mem_block_size = 256; 708 wl->fwlog_end = 0x2000000; 709 710 /* common settings */ 711 wl->scan_templ_id_2_4 = CMD_TEMPL_APP_PROBE_REQ_2_4_LEGACY; 712 wl->scan_templ_id_5 = CMD_TEMPL_APP_PROBE_REQ_5_LEGACY; 713 wl->sched_scan_templ_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4; 714 wl->sched_scan_templ_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5; 715 wl->max_channels_5 = WL12XX_MAX_CHANNELS_5GHZ; 716 wl->ba_rx_session_count_max = WL12XX_RX_BA_MAX_SESSIONS; 717 out: 718 return ret; 719 } 720 721 static int __must_check wl12xx_top_reg_write(struct wl1271 *wl, int addr, 722 u16 val) 723 { 724 int ret; 725 726 /* write address >> 1 + 0x30000 to OCP_POR_CTR */ 727 addr = (addr >> 1) + 0x30000; 728 ret = wlcore_write32(wl, WL12XX_OCP_POR_CTR, addr); 729 if (ret < 0) 730 goto out; 731 732 /* write value to OCP_POR_WDATA */ 733 ret = wlcore_write32(wl, WL12XX_OCP_DATA_WRITE, val); 734 if (ret < 0) 735 goto out; 736 737 /* write 1 to OCP_CMD */ 738 ret = wlcore_write32(wl, WL12XX_OCP_CMD, OCP_CMD_WRITE); 739 if (ret < 0) 740 goto out; 741 742 out: 743 return ret; 744 } 745 746 static int __must_check wl12xx_top_reg_read(struct wl1271 *wl, int addr, 747 u16 *out) 748 { 749 u32 val; 750 int timeout = OCP_CMD_LOOP; 751 int ret; 752 753 /* write address >> 1 + 0x30000 to OCP_POR_CTR */ 754 addr = (addr >> 1) + 0x30000; 755 ret = wlcore_write32(wl, WL12XX_OCP_POR_CTR, addr); 756 if (ret < 0) 757 return ret; 758 759 /* write 2 to OCP_CMD */ 760 ret = wlcore_write32(wl, WL12XX_OCP_CMD, OCP_CMD_READ); 761 if (ret < 0) 762 return ret; 763 764 /* poll for data ready */ 765 do { 766 ret = wlcore_read32(wl, WL12XX_OCP_DATA_READ, &val); 767 if (ret < 0) 768 return ret; 769 } while (!(val & OCP_READY_MASK) && --timeout); 770 771 if (!timeout) { 772 wl1271_warning("Top register access timed out."); 773 return -ETIMEDOUT; 774 } 775 776 /* check data status and return if OK */ 777 if ((val & OCP_STATUS_MASK) != OCP_STATUS_OK) { 778 wl1271_warning("Top register access returned error."); 779 return -EIO; 780 } 781 782 if (out) 783 *out = val & 0xffff; 784 785 return 0; 786 } 787 788 static int wl128x_switch_tcxo_to_fref(struct wl1271 *wl) 789 { 790 u16 spare_reg; 791 int ret; 792 793 /* Mask bits [2] & [8:4] in the sys_clk_cfg register */ 794 ret = wl12xx_top_reg_read(wl, WL_SPARE_REG, &spare_reg); 795 if (ret < 0) 796 return ret; 797 798 if (spare_reg == 0xFFFF) 799 return -EFAULT; 800 spare_reg |= (BIT(3) | BIT(5) | BIT(6)); 801 ret = wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg); 802 if (ret < 0) 803 return ret; 804 805 /* Enable FREF_CLK_REQ & mux MCS and coex PLLs to FREF */ 806 ret = wl12xx_top_reg_write(wl, SYS_CLK_CFG_REG, 807 WL_CLK_REQ_TYPE_PG2 | MCS_PLL_CLK_SEL_FREF); 808 if (ret < 0) 809 return ret; 810 811 /* Delay execution for 15msec, to let the HW settle */ 812 mdelay(15); 813 814 return 0; 815 } 816 817 static bool wl128x_is_tcxo_valid(struct wl1271 *wl) 818 { 819 u16 tcxo_detection; 820 int ret; 821 822 ret = wl12xx_top_reg_read(wl, TCXO_CLK_DETECT_REG, &tcxo_detection); 823 if (ret < 0) 824 return false; 825 826 if (tcxo_detection & TCXO_DET_FAILED) 827 return false; 828 829 return true; 830 } 831 832 static bool wl128x_is_fref_valid(struct wl1271 *wl) 833 { 834 u16 fref_detection; 835 int ret; 836 837 ret = wl12xx_top_reg_read(wl, FREF_CLK_DETECT_REG, &fref_detection); 838 if (ret < 0) 839 return false; 840 841 if (fref_detection & FREF_CLK_DETECT_FAIL) 842 return false; 843 844 return true; 845 } 846 847 static int wl128x_manually_configure_mcs_pll(struct wl1271 *wl) 848 { 849 int ret; 850 851 ret = wl12xx_top_reg_write(wl, MCS_PLL_M_REG, MCS_PLL_M_REG_VAL); 852 if (ret < 0) 853 goto out; 854 855 ret = wl12xx_top_reg_write(wl, MCS_PLL_N_REG, MCS_PLL_N_REG_VAL); 856 if (ret < 0) 857 goto out; 858 859 ret = wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, 860 MCS_PLL_CONFIG_REG_VAL); 861 862 out: 863 return ret; 864 } 865 866 static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk) 867 { 868 u16 spare_reg; 869 u16 pll_config; 870 u8 input_freq; 871 struct wl12xx_priv *priv = wl->priv; 872 int ret; 873 874 /* Mask bits [3:1] in the sys_clk_cfg register */ 875 ret = wl12xx_top_reg_read(wl, WL_SPARE_REG, &spare_reg); 876 if (ret < 0) 877 return ret; 878 879 if (spare_reg == 0xFFFF) 880 return -EFAULT; 881 spare_reg |= BIT(2); 882 ret = wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg); 883 if (ret < 0) 884 return ret; 885 886 /* Handle special cases of the TCXO clock */ 887 if (priv->tcxo_clock == WL12XX_TCXOCLOCK_16_8 || 888 priv->tcxo_clock == WL12XX_TCXOCLOCK_33_6) 889 return wl128x_manually_configure_mcs_pll(wl); 890 891 /* Set the input frequency according to the selected clock source */ 892 input_freq = (clk & 1) + 1; 893 894 ret = wl12xx_top_reg_read(wl, MCS_PLL_CONFIG_REG, &pll_config); 895 if (ret < 0) 896 return ret; 897 898 if (pll_config == 0xFFFF) 899 return -EFAULT; 900 pll_config |= (input_freq << MCS_SEL_IN_FREQ_SHIFT); 901 pll_config |= MCS_PLL_ENABLE_HP; 902 ret = wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, pll_config); 903 904 return ret; 905 } 906 907 /* 908 * WL128x has two clocks input - TCXO and FREF. 909 * TCXO is the main clock of the device, while FREF is used to sync 910 * between the GPS and the cellular modem. 911 * In cases where TCXO is 32.736MHz or 16.368MHz, the FREF will be used 912 * as the WLAN/BT main clock. 913 */ 914 static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock) 915 { 916 struct wl12xx_priv *priv = wl->priv; 917 u16 sys_clk_cfg; 918 int ret; 919 920 /* For XTAL-only modes, FREF will be used after switching from TCXO */ 921 if (priv->ref_clock == WL12XX_REFCLOCK_26_XTAL || 922 priv->ref_clock == WL12XX_REFCLOCK_38_XTAL) { 923 if (!wl128x_switch_tcxo_to_fref(wl)) 924 return -EINVAL; 925 goto fref_clk; 926 } 927 928 /* Query the HW, to determine which clock source we should use */ 929 ret = wl12xx_top_reg_read(wl, SYS_CLK_CFG_REG, &sys_clk_cfg); 930 if (ret < 0) 931 return ret; 932 933 if (sys_clk_cfg == 0xFFFF) 934 return -EINVAL; 935 if (sys_clk_cfg & PRCM_CM_EN_MUX_WLAN_FREF) 936 goto fref_clk; 937 938 /* If TCXO is either 32.736MHz or 16.368MHz, switch to FREF */ 939 if (priv->tcxo_clock == WL12XX_TCXOCLOCK_16_368 || 940 priv->tcxo_clock == WL12XX_TCXOCLOCK_32_736) { 941 if (!wl128x_switch_tcxo_to_fref(wl)) 942 return -EINVAL; 943 goto fref_clk; 944 } 945 946 /* TCXO clock is selected */ 947 if (!wl128x_is_tcxo_valid(wl)) 948 return -EINVAL; 949 *selected_clock = priv->tcxo_clock; 950 goto config_mcs_pll; 951 952 fref_clk: 953 /* FREF clock is selected */ 954 if (!wl128x_is_fref_valid(wl)) 955 return -EINVAL; 956 *selected_clock = priv->ref_clock; 957 958 config_mcs_pll: 959 return wl128x_configure_mcs_pll(wl, *selected_clock); 960 } 961 962 static int wl127x_boot_clk(struct wl1271 *wl) 963 { 964 struct wl12xx_priv *priv = wl->priv; 965 u32 pause; 966 u32 clk; 967 int ret; 968 969 if (WL127X_PG_GET_MAJOR(wl->hw_pg_ver) < 3) 970 wl->quirks |= WLCORE_QUIRK_END_OF_TRANSACTION; 971 972 if (priv->ref_clock == CONF_REF_CLK_19_2_E || 973 priv->ref_clock == CONF_REF_CLK_38_4_E || 974 priv->ref_clock == CONF_REF_CLK_38_4_M_XTAL) 975 /* ref clk: 19.2/38.4/38.4-XTAL */ 976 clk = 0x3; 977 else if (priv->ref_clock == CONF_REF_CLK_26_E || 978 priv->ref_clock == CONF_REF_CLK_26_M_XTAL || 979 priv->ref_clock == CONF_REF_CLK_52_E) 980 /* ref clk: 26/52 */ 981 clk = 0x5; 982 else 983 return -EINVAL; 984 985 if (priv->ref_clock != CONF_REF_CLK_19_2_E) { 986 u16 val; 987 /* Set clock type (open drain) */ 988 ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_TYPE, &val); 989 if (ret < 0) 990 goto out; 991 992 val &= FREF_CLK_TYPE_BITS; 993 ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_TYPE, val); 994 if (ret < 0) 995 goto out; 996 997 /* Set clock pull mode (no pull) */ 998 ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_PULL, &val); 999 if (ret < 0) 1000 goto out; 1001 1002 val |= NO_PULL; 1003 ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_PULL, val); 1004 if (ret < 0) 1005 goto out; 1006 } else { 1007 u16 val; 1008 /* Set clock polarity */ 1009 ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_POLARITY, &val); 1010 if (ret < 0) 1011 goto out; 1012 1013 val &= FREF_CLK_POLARITY_BITS; 1014 val |= CLK_REQ_OUTN_SEL; 1015 ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_POLARITY, val); 1016 if (ret < 0) 1017 goto out; 1018 } 1019 1020 ret = wlcore_write32(wl, WL12XX_PLL_PARAMETERS, clk); 1021 if (ret < 0) 1022 goto out; 1023 1024 ret = wlcore_read32(wl, WL12XX_PLL_PARAMETERS, &pause); 1025 if (ret < 0) 1026 goto out; 1027 1028 wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause); 1029 1030 pause &= ~(WU_COUNTER_PAUSE_VAL); 1031 pause |= WU_COUNTER_PAUSE_VAL; 1032 ret = wlcore_write32(wl, WL12XX_WU_COUNTER_PAUSE, pause); 1033 1034 out: 1035 return ret; 1036 } 1037 1038 static int wl1271_boot_soft_reset(struct wl1271 *wl) 1039 { 1040 unsigned long timeout; 1041 u32 boot_data; 1042 int ret = 0; 1043 1044 /* perform soft reset */ 1045 ret = wlcore_write32(wl, WL12XX_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT); 1046 if (ret < 0) 1047 goto out; 1048 1049 /* SOFT_RESET is self clearing */ 1050 timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME); 1051 while (1) { 1052 ret = wlcore_read32(wl, WL12XX_SLV_SOFT_RESET, &boot_data); 1053 if (ret < 0) 1054 goto out; 1055 1056 wl1271_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data); 1057 if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0) 1058 break; 1059 1060 if (time_after(jiffies, timeout)) { 1061 /* 1.2 check pWhalBus->uSelfClearTime if the 1062 * timeout was reached */ 1063 wl1271_error("soft reset timeout"); 1064 return -1; 1065 } 1066 1067 udelay(SOFT_RESET_STALL_TIME); 1068 } 1069 1070 /* disable Rx/Tx */ 1071 ret = wlcore_write32(wl, WL12XX_ENABLE, 0x0); 1072 if (ret < 0) 1073 goto out; 1074 1075 /* disable auto calibration on start*/ 1076 ret = wlcore_write32(wl, WL12XX_SPARE_A2, 0xffff); 1077 1078 out: 1079 return ret; 1080 } 1081 1082 static int wl12xx_pre_boot(struct wl1271 *wl) 1083 { 1084 struct wl12xx_priv *priv = wl->priv; 1085 int ret = 0; 1086 u32 clk; 1087 int selected_clock = -1; 1088 1089 if (wl->chip.id == CHIP_ID_128X_PG20) { 1090 ret = wl128x_boot_clk(wl, &selected_clock); 1091 if (ret < 0) 1092 goto out; 1093 } else { 1094 ret = wl127x_boot_clk(wl); 1095 if (ret < 0) 1096 goto out; 1097 } 1098 1099 /* Continue the ELP wake up sequence */ 1100 ret = wlcore_write32(wl, WL12XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL); 1101 if (ret < 0) 1102 goto out; 1103 1104 udelay(500); 1105 1106 ret = wlcore_set_partition(wl, &wl->ptable[PART_DRPW]); 1107 if (ret < 0) 1108 goto out; 1109 1110 /* Read-modify-write DRPW_SCRATCH_START register (see next state) 1111 to be used by DRPw FW. The RTRIM value will be added by the FW 1112 before taking DRPw out of reset */ 1113 1114 ret = wlcore_read32(wl, WL12XX_DRPW_SCRATCH_START, &clk); 1115 if (ret < 0) 1116 goto out; 1117 1118 wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk); 1119 1120 if (wl->chip.id == CHIP_ID_128X_PG20) 1121 clk |= ((selected_clock & 0x3) << 1) << 4; 1122 else 1123 clk |= (priv->ref_clock << 1) << 4; 1124 1125 ret = wlcore_write32(wl, WL12XX_DRPW_SCRATCH_START, clk); 1126 if (ret < 0) 1127 goto out; 1128 1129 ret = wlcore_set_partition(wl, &wl->ptable[PART_WORK]); 1130 if (ret < 0) 1131 goto out; 1132 1133 /* Disable interrupts */ 1134 ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL); 1135 if (ret < 0) 1136 goto out; 1137 1138 ret = wl1271_boot_soft_reset(wl); 1139 if (ret < 0) 1140 goto out; 1141 1142 out: 1143 return ret; 1144 } 1145 1146 static int wl12xx_pre_upload(struct wl1271 *wl) 1147 { 1148 u32 tmp; 1149 u16 polarity; 1150 int ret; 1151 1152 /* write firmware's last address (ie. it's length) to 1153 * ACX_EEPROMLESS_IND_REG */ 1154 wl1271_debug(DEBUG_BOOT, "ACX_EEPROMLESS_IND_REG"); 1155 1156 ret = wlcore_write32(wl, WL12XX_EEPROMLESS_IND, WL12XX_EEPROMLESS_IND); 1157 if (ret < 0) 1158 goto out; 1159 1160 ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &tmp); 1161 if (ret < 0) 1162 goto out; 1163 1164 wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp); 1165 1166 /* 6. read the EEPROM parameters */ 1167 ret = wlcore_read32(wl, WL12XX_SCR_PAD2, &tmp); 1168 if (ret < 0) 1169 goto out; 1170 1171 /* WL1271: The reference driver skips steps 7 to 10 (jumps directly 1172 * to upload_fw) */ 1173 1174 if (wl->chip.id == CHIP_ID_128X_PG20) { 1175 ret = wl12xx_top_reg_write(wl, SDIO_IO_DS, HCI_IO_DS_6MA); 1176 if (ret < 0) 1177 goto out; 1178 } 1179 1180 /* polarity must be set before the firmware is loaded */ 1181 ret = wl12xx_top_reg_read(wl, OCP_REG_POLARITY, &polarity); 1182 if (ret < 0) 1183 goto out; 1184 1185 /* We use HIGH polarity, so unset the LOW bit */ 1186 polarity &= ~POLARITY_LOW; 1187 ret = wl12xx_top_reg_write(wl, OCP_REG_POLARITY, polarity); 1188 1189 out: 1190 return ret; 1191 } 1192 1193 static int wl12xx_enable_interrupts(struct wl1271 *wl) 1194 { 1195 int ret; 1196 1197 ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, 1198 WL12XX_ACX_ALL_EVENTS_VECTOR); 1199 if (ret < 0) 1200 goto out; 1201 1202 wlcore_enable_interrupts(wl); 1203 ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, 1204 WL1271_ACX_INTR_ALL & ~(WL12XX_INTR_MASK)); 1205 if (ret < 0) 1206 goto disable_interrupts; 1207 1208 ret = wlcore_write32(wl, WL12XX_HI_CFG, HI_CFG_DEF_VAL); 1209 if (ret < 0) 1210 goto disable_interrupts; 1211 1212 return ret; 1213 1214 disable_interrupts: 1215 wlcore_disable_interrupts(wl); 1216 1217 out: 1218 return ret; 1219 } 1220 1221 static int wl12xx_boot(struct wl1271 *wl) 1222 { 1223 int ret; 1224 1225 ret = wl12xx_pre_boot(wl); 1226 if (ret < 0) 1227 goto out; 1228 1229 ret = wlcore_boot_upload_nvs(wl); 1230 if (ret < 0) 1231 goto out; 1232 1233 ret = wl12xx_pre_upload(wl); 1234 if (ret < 0) 1235 goto out; 1236 1237 ret = wlcore_boot_upload_firmware(wl); 1238 if (ret < 0) 1239 goto out; 1240 1241 wl->event_mask = BSS_LOSE_EVENT_ID | 1242 REGAINED_BSS_EVENT_ID | 1243 SCAN_COMPLETE_EVENT_ID | 1244 ROLE_STOP_COMPLETE_EVENT_ID | 1245 RSSI_SNR_TRIGGER_0_EVENT_ID | 1246 PSPOLL_DELIVERY_FAILURE_EVENT_ID | 1247 SOFT_GEMINI_SENSE_EVENT_ID | 1248 PERIODIC_SCAN_REPORT_EVENT_ID | 1249 PERIODIC_SCAN_COMPLETE_EVENT_ID | 1250 DUMMY_PACKET_EVENT_ID | 1251 PEER_REMOVE_COMPLETE_EVENT_ID | 1252 BA_SESSION_RX_CONSTRAINT_EVENT_ID | 1253 REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID | 1254 INACTIVE_STA_EVENT_ID | 1255 CHANNEL_SWITCH_COMPLETE_EVENT_ID; 1256 1257 wl->ap_event_mask = MAX_TX_RETRY_EVENT_ID; 1258 1259 ret = wlcore_boot_run_firmware(wl); 1260 if (ret < 0) 1261 goto out; 1262 1263 ret = wl12xx_enable_interrupts(wl); 1264 1265 out: 1266 return ret; 1267 } 1268 1269 static int wl12xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr, 1270 void *buf, size_t len) 1271 { 1272 int ret; 1273 1274 ret = wlcore_write(wl, cmd_box_addr, buf, len, false); 1275 if (ret < 0) 1276 return ret; 1277 1278 ret = wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_CMD); 1279 1280 return ret; 1281 } 1282 1283 static int wl12xx_ack_event(struct wl1271 *wl) 1284 { 1285 return wlcore_write_reg(wl, REG_INTERRUPT_TRIG, 1286 WL12XX_INTR_TRIG_EVENT_ACK); 1287 } 1288 1289 static u32 wl12xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks) 1290 { 1291 u32 blk_size = WL12XX_TX_HW_BLOCK_SIZE; 1292 u32 align_len = wlcore_calc_packet_alignment(wl, len); 1293 1294 return (align_len + blk_size - 1) / blk_size + spare_blks; 1295 } 1296 1297 static void 1298 wl12xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, 1299 u32 blks, u32 spare_blks) 1300 { 1301 if (wl->chip.id == CHIP_ID_128X_PG20) { 1302 desc->wl128x_mem.total_mem_blocks = blks; 1303 } else { 1304 desc->wl127x_mem.extra_blocks = spare_blks; 1305 desc->wl127x_mem.total_mem_blocks = blks; 1306 } 1307 } 1308 1309 static void 1310 wl12xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, 1311 struct sk_buff *skb) 1312 { 1313 u32 aligned_len = wlcore_calc_packet_alignment(wl, skb->len); 1314 1315 if (wl->chip.id == CHIP_ID_128X_PG20) { 1316 desc->wl128x_mem.extra_bytes = aligned_len - skb->len; 1317 desc->length = cpu_to_le16(aligned_len >> 2); 1318 1319 wl1271_debug(DEBUG_TX, 1320 "tx_fill_hdr: hlid: %d len: %d life: %d mem: %d extra: %d", 1321 desc->hlid, 1322 le16_to_cpu(desc->length), 1323 le16_to_cpu(desc->life_time), 1324 desc->wl128x_mem.total_mem_blocks, 1325 desc->wl128x_mem.extra_bytes); 1326 } else { 1327 /* calculate number of padding bytes */ 1328 int pad = aligned_len - skb->len; 1329 desc->tx_attr |= 1330 cpu_to_le16(pad << TX_HW_ATTR_OFST_LAST_WORD_PAD); 1331 1332 /* Store the aligned length in terms of words */ 1333 desc->length = cpu_to_le16(aligned_len >> 2); 1334 1335 wl1271_debug(DEBUG_TX, 1336 "tx_fill_hdr: pad: %d hlid: %d len: %d life: %d mem: %d", 1337 pad, desc->hlid, 1338 le16_to_cpu(desc->length), 1339 le16_to_cpu(desc->life_time), 1340 desc->wl127x_mem.total_mem_blocks); 1341 } 1342 } 1343 1344 static enum wl_rx_buf_align 1345 wl12xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc) 1346 { 1347 if (rx_desc & RX_BUF_UNALIGNED_PAYLOAD) 1348 return WLCORE_RX_BUF_UNALIGNED; 1349 1350 return WLCORE_RX_BUF_ALIGNED; 1351 } 1352 1353 static u32 wl12xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data, 1354 u32 data_len) 1355 { 1356 struct wl1271_rx_descriptor *desc = rx_data; 1357 1358 /* invalid packet */ 1359 if (data_len < sizeof(*desc) || 1360 data_len < sizeof(*desc) + desc->pad_len) 1361 return 0; 1362 1363 return data_len - sizeof(*desc) - desc->pad_len; 1364 } 1365 1366 static int wl12xx_tx_delayed_compl(struct wl1271 *wl) 1367 { 1368 if (wl->fw_status->tx_results_counter == 1369 (wl->tx_results_count & 0xff)) 1370 return 0; 1371 1372 return wlcore_tx_complete(wl); 1373 } 1374 1375 static int wl12xx_hw_init(struct wl1271 *wl) 1376 { 1377 int ret; 1378 1379 if (wl->chip.id == CHIP_ID_128X_PG20) { 1380 u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE; 1381 1382 ret = wl128x_cmd_general_parms(wl); 1383 if (ret < 0) 1384 goto out; 1385 1386 /* 1387 * If we are in calibrator based auto detect then we got the FEM nr 1388 * in wl->fem_manuf. No need to continue further 1389 */ 1390 if (wl->plt_mode == PLT_FEM_DETECT) 1391 goto out; 1392 1393 ret = wl128x_cmd_radio_parms(wl); 1394 if (ret < 0) 1395 goto out; 1396 1397 if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) 1398 /* Enable SDIO padding */ 1399 host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK; 1400 1401 /* Must be before wl1271_acx_init_mem_config() */ 1402 ret = wl1271_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap); 1403 if (ret < 0) 1404 goto out; 1405 } else { 1406 ret = wl1271_cmd_general_parms(wl); 1407 if (ret < 0) 1408 goto out; 1409 1410 /* 1411 * If we are in calibrator based auto detect then we got the FEM nr 1412 * in wl->fem_manuf. No need to continue further 1413 */ 1414 if (wl->plt_mode == PLT_FEM_DETECT) 1415 goto out; 1416 1417 ret = wl1271_cmd_radio_parms(wl); 1418 if (ret < 0) 1419 goto out; 1420 ret = wl1271_cmd_ext_radio_parms(wl); 1421 if (ret < 0) 1422 goto out; 1423 } 1424 out: 1425 return ret; 1426 } 1427 1428 static void wl12xx_convert_fw_status(struct wl1271 *wl, void *raw_fw_status, 1429 struct wl_fw_status *fw_status) 1430 { 1431 struct wl12xx_fw_status *int_fw_status = raw_fw_status; 1432 1433 fw_status->intr = le32_to_cpu(int_fw_status->intr); 1434 fw_status->fw_rx_counter = int_fw_status->fw_rx_counter; 1435 fw_status->drv_rx_counter = int_fw_status->drv_rx_counter; 1436 fw_status->tx_results_counter = int_fw_status->tx_results_counter; 1437 fw_status->rx_pkt_descs = int_fw_status->rx_pkt_descs; 1438 1439 fw_status->fw_localtime = le32_to_cpu(int_fw_status->fw_localtime); 1440 fw_status->link_ps_bitmap = le32_to_cpu(int_fw_status->link_ps_bitmap); 1441 fw_status->link_fast_bitmap = 1442 le32_to_cpu(int_fw_status->link_fast_bitmap); 1443 fw_status->total_released_blks = 1444 le32_to_cpu(int_fw_status->total_released_blks); 1445 fw_status->tx_total = le32_to_cpu(int_fw_status->tx_total); 1446 1447 fw_status->counters.tx_released_pkts = 1448 int_fw_status->counters.tx_released_pkts; 1449 fw_status->counters.tx_lnk_free_pkts = 1450 int_fw_status->counters.tx_lnk_free_pkts; 1451 fw_status->counters.tx_voice_released_blks = 1452 int_fw_status->counters.tx_voice_released_blks; 1453 fw_status->counters.tx_last_rate = 1454 int_fw_status->counters.tx_last_rate; 1455 1456 fw_status->log_start_addr = le32_to_cpu(int_fw_status->log_start_addr); 1457 } 1458 1459 static u32 wl12xx_sta_get_ap_rate_mask(struct wl1271 *wl, 1460 struct wl12xx_vif *wlvif) 1461 { 1462 return wlvif->rate_set; 1463 } 1464 1465 static void wl12xx_conf_init(struct wl1271 *wl) 1466 { 1467 struct wl12xx_priv *priv = wl->priv; 1468 1469 /* apply driver default configuration */ 1470 memcpy(&wl->conf, &wl12xx_conf, sizeof(wl12xx_conf)); 1471 1472 /* apply default private configuration */ 1473 memcpy(&priv->conf, &wl12xx_default_priv_conf, sizeof(priv->conf)); 1474 } 1475 1476 static bool wl12xx_mac_in_fuse(struct wl1271 *wl) 1477 { 1478 bool supported = false; 1479 u8 major, minor; 1480 1481 if (wl->chip.id == CHIP_ID_128X_PG20) { 1482 major = WL128X_PG_GET_MAJOR(wl->hw_pg_ver); 1483 minor = WL128X_PG_GET_MINOR(wl->hw_pg_ver); 1484 1485 /* in wl128x we have the MAC address if the PG is >= (2, 1) */ 1486 if (major > 2 || (major == 2 && minor >= 1)) 1487 supported = true; 1488 } else { 1489 major = WL127X_PG_GET_MAJOR(wl->hw_pg_ver); 1490 minor = WL127X_PG_GET_MINOR(wl->hw_pg_ver); 1491 1492 /* in wl127x we have the MAC address if the PG is >= (3, 1) */ 1493 if (major == 3 && minor >= 1) 1494 supported = true; 1495 } 1496 1497 wl1271_debug(DEBUG_PROBE, 1498 "PG Ver major = %d minor = %d, MAC %s present", 1499 major, minor, supported ? "is" : "is not"); 1500 1501 return supported; 1502 } 1503 1504 static int wl12xx_get_fuse_mac(struct wl1271 *wl) 1505 { 1506 u32 mac1, mac2; 1507 int ret; 1508 1509 ret = wlcore_set_partition(wl, &wl->ptable[PART_DRPW]); 1510 if (ret < 0) 1511 goto out; 1512 1513 ret = wlcore_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1, &mac1); 1514 if (ret < 0) 1515 goto out; 1516 1517 ret = wlcore_read32(wl, WL12XX_REG_FUSE_BD_ADDR_2, &mac2); 1518 if (ret < 0) 1519 goto out; 1520 1521 /* these are the two parts of the BD_ADDR */ 1522 wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) + 1523 ((mac1 & 0xff000000) >> 24); 1524 wl->fuse_nic_addr = mac1 & 0xffffff; 1525 1526 ret = wlcore_set_partition(wl, &wl->ptable[PART_DOWN]); 1527 1528 out: 1529 return ret; 1530 } 1531 1532 static int wl12xx_get_pg_ver(struct wl1271 *wl, s8 *ver) 1533 { 1534 u16 die_info; 1535 int ret; 1536 1537 if (wl->chip.id == CHIP_ID_128X_PG20) 1538 ret = wl12xx_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1, 1539 &die_info); 1540 else 1541 ret = wl12xx_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1, 1542 &die_info); 1543 1544 if (ret >= 0 && ver) 1545 *ver = (s8)((die_info & PG_VER_MASK) >> PG_VER_OFFSET); 1546 1547 return ret; 1548 } 1549 1550 static int wl12xx_get_mac(struct wl1271 *wl) 1551 { 1552 if (wl12xx_mac_in_fuse(wl)) 1553 return wl12xx_get_fuse_mac(wl); 1554 1555 return 0; 1556 } 1557 1558 static void wl12xx_set_tx_desc_csum(struct wl1271 *wl, 1559 struct wl1271_tx_hw_descr *desc, 1560 struct sk_buff *skb) 1561 { 1562 desc->wl12xx_reserved = 0; 1563 } 1564 1565 static int wl12xx_plt_init(struct wl1271 *wl) 1566 { 1567 int ret; 1568 1569 ret = wl->ops->boot(wl); 1570 if (ret < 0) 1571 goto out; 1572 1573 ret = wl->ops->hw_init(wl); 1574 if (ret < 0) 1575 goto out_irq_disable; 1576 1577 /* 1578 * If we are in calibrator based auto detect then we got the FEM nr 1579 * in wl->fem_manuf. No need to continue further 1580 */ 1581 if (wl->plt_mode == PLT_FEM_DETECT) 1582 goto out; 1583 1584 ret = wl1271_acx_init_mem_config(wl); 1585 if (ret < 0) 1586 goto out_irq_disable; 1587 1588 ret = wl12xx_acx_mem_cfg(wl); 1589 if (ret < 0) 1590 goto out_free_memmap; 1591 1592 /* Enable data path */ 1593 ret = wl1271_cmd_data_path(wl, 1); 1594 if (ret < 0) 1595 goto out_free_memmap; 1596 1597 /* Configure for CAM power saving (ie. always active) */ 1598 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); 1599 if (ret < 0) 1600 goto out_free_memmap; 1601 1602 /* configure PM */ 1603 ret = wl1271_acx_pm_config(wl); 1604 if (ret < 0) 1605 goto out_free_memmap; 1606 1607 goto out; 1608 1609 out_free_memmap: 1610 kfree(wl->target_mem_map); 1611 wl->target_mem_map = NULL; 1612 1613 out_irq_disable: 1614 mutex_unlock(&wl->mutex); 1615 /* Unlocking the mutex in the middle of handling is 1616 inherently unsafe. In this case we deem it safe to do, 1617 because we need to let any possibly pending IRQ out of 1618 the system (and while we are WL1271_STATE_OFF the IRQ 1619 work function will not do anything.) Also, any other 1620 possible concurrent operations will fail due to the 1621 current state, hence the wl1271 struct should be safe. */ 1622 wlcore_disable_interrupts(wl); 1623 mutex_lock(&wl->mutex); 1624 out: 1625 return ret; 1626 } 1627 1628 static int wl12xx_get_spare_blocks(struct wl1271 *wl, bool is_gem) 1629 { 1630 if (is_gem) 1631 return WL12XX_TX_HW_BLOCK_GEM_SPARE; 1632 1633 return WL12XX_TX_HW_BLOCK_SPARE_DEFAULT; 1634 } 1635 1636 static int wl12xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd, 1637 struct ieee80211_vif *vif, 1638 struct ieee80211_sta *sta, 1639 struct ieee80211_key_conf *key_conf) 1640 { 1641 return wlcore_set_key(wl, cmd, vif, sta, key_conf); 1642 } 1643 1644 static int wl12xx_set_peer_cap(struct wl1271 *wl, 1645 struct ieee80211_sta_ht_cap *ht_cap, 1646 bool allow_ht_operation, 1647 u32 rate_set, u8 hlid) 1648 { 1649 return wl1271_acx_set_ht_capabilities(wl, ht_cap, allow_ht_operation, 1650 hlid); 1651 } 1652 1653 static bool wl12xx_lnk_high_prio(struct wl1271 *wl, u8 hlid, 1654 struct wl1271_link *lnk) 1655 { 1656 u8 thold; 1657 1658 if (test_bit(hlid, &wl->fw_fast_lnk_map)) 1659 thold = wl->conf.tx.fast_link_thold; 1660 else 1661 thold = wl->conf.tx.slow_link_thold; 1662 1663 return lnk->allocated_pkts < thold; 1664 } 1665 1666 static bool wl12xx_lnk_low_prio(struct wl1271 *wl, u8 hlid, 1667 struct wl1271_link *lnk) 1668 { 1669 /* any link is good for low priority */ 1670 return true; 1671 } 1672 1673 static u32 wl12xx_convert_hwaddr(struct wl1271 *wl, u32 hwaddr) 1674 { 1675 return hwaddr << 5; 1676 } 1677 1678 static int wl12xx_setup(struct wl1271 *wl); 1679 1680 static struct wlcore_ops wl12xx_ops = { 1681 .setup = wl12xx_setup, 1682 .identify_chip = wl12xx_identify_chip, 1683 .boot = wl12xx_boot, 1684 .plt_init = wl12xx_plt_init, 1685 .trigger_cmd = wl12xx_trigger_cmd, 1686 .ack_event = wl12xx_ack_event, 1687 .wait_for_event = wl12xx_wait_for_event, 1688 .process_mailbox_events = wl12xx_process_mailbox_events, 1689 .calc_tx_blocks = wl12xx_calc_tx_blocks, 1690 .set_tx_desc_blocks = wl12xx_set_tx_desc_blocks, 1691 .set_tx_desc_data_len = wl12xx_set_tx_desc_data_len, 1692 .get_rx_buf_align = wl12xx_get_rx_buf_align, 1693 .get_rx_packet_len = wl12xx_get_rx_packet_len, 1694 .tx_immediate_compl = NULL, 1695 .tx_delayed_compl = wl12xx_tx_delayed_compl, 1696 .hw_init = wl12xx_hw_init, 1697 .init_vif = NULL, 1698 .convert_fw_status = wl12xx_convert_fw_status, 1699 .sta_get_ap_rate_mask = wl12xx_sta_get_ap_rate_mask, 1700 .get_pg_ver = wl12xx_get_pg_ver, 1701 .get_mac = wl12xx_get_mac, 1702 .set_tx_desc_csum = wl12xx_set_tx_desc_csum, 1703 .set_rx_csum = NULL, 1704 .ap_get_mimo_wide_rate_mask = NULL, 1705 .debugfs_init = wl12xx_debugfs_add_files, 1706 .scan_start = wl12xx_scan_start, 1707 .scan_stop = wl12xx_scan_stop, 1708 .sched_scan_start = wl12xx_sched_scan_start, 1709 .sched_scan_stop = wl12xx_scan_sched_scan_stop, 1710 .get_spare_blocks = wl12xx_get_spare_blocks, 1711 .set_key = wl12xx_set_key, 1712 .channel_switch = wl12xx_cmd_channel_switch, 1713 .pre_pkt_send = NULL, 1714 .set_peer_cap = wl12xx_set_peer_cap, 1715 .convert_hwaddr = wl12xx_convert_hwaddr, 1716 .lnk_high_prio = wl12xx_lnk_high_prio, 1717 .lnk_low_prio = wl12xx_lnk_low_prio, 1718 .interrupt_notify = NULL, 1719 .rx_ba_filter = NULL, 1720 .ap_sleep = NULL, 1721 }; 1722 1723 static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { 1724 .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | 1725 (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT), 1726 .ht_supported = true, 1727 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, 1728 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, 1729 .mcs = { 1730 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, 1731 .rx_highest = cpu_to_le16(72), 1732 .tx_params = IEEE80211_HT_MCS_TX_DEFINED, 1733 }, 1734 }; 1735 1736 static const struct ieee80211_iface_limit wl12xx_iface_limits[] = { 1737 { 1738 .max = 3, 1739 .types = BIT(NL80211_IFTYPE_STATION), 1740 }, 1741 { 1742 .max = 1, 1743 .types = BIT(NL80211_IFTYPE_AP) | 1744 BIT(NL80211_IFTYPE_P2P_GO) | 1745 BIT(NL80211_IFTYPE_P2P_CLIENT), 1746 }, 1747 }; 1748 1749 static const struct ieee80211_iface_combination 1750 wl12xx_iface_combinations[] = { 1751 { 1752 .max_interfaces = 3, 1753 .limits = wl12xx_iface_limits, 1754 .n_limits = ARRAY_SIZE(wl12xx_iface_limits), 1755 .num_different_channels = 1, 1756 }, 1757 }; 1758 1759 static const struct wl12xx_clock wl12xx_refclock_table[] = { 1760 { 19200000, false, WL12XX_REFCLOCK_19 }, 1761 { 26000000, false, WL12XX_REFCLOCK_26 }, 1762 { 26000000, true, WL12XX_REFCLOCK_26_XTAL }, 1763 { 38400000, false, WL12XX_REFCLOCK_38 }, 1764 { 38400000, true, WL12XX_REFCLOCK_38_XTAL }, 1765 { 52000000, false, WL12XX_REFCLOCK_52 }, 1766 { 0, false, 0 } 1767 }; 1768 1769 static const struct wl12xx_clock wl12xx_tcxoclock_table[] = { 1770 { 16368000, true, WL12XX_TCXOCLOCK_16_368 }, 1771 { 16800000, true, WL12XX_TCXOCLOCK_16_8 }, 1772 { 19200000, true, WL12XX_TCXOCLOCK_19_2 }, 1773 { 26000000, true, WL12XX_TCXOCLOCK_26 }, 1774 { 32736000, true, WL12XX_TCXOCLOCK_32_736 }, 1775 { 33600000, true, WL12XX_TCXOCLOCK_33_6 }, 1776 { 38400000, true, WL12XX_TCXOCLOCK_38_4 }, 1777 { 52000000, true, WL12XX_TCXOCLOCK_52 }, 1778 { 0, false, 0 } 1779 }; 1780 1781 static int wl12xx_get_clock_idx(const struct wl12xx_clock *table, 1782 u32 freq, bool xtal) 1783 { 1784 int i; 1785 1786 for (i = 0; table[i].freq != 0; i++) 1787 if ((table[i].freq == freq) && (table[i].xtal == xtal)) 1788 return table[i].hw_idx; 1789 1790 return -EINVAL; 1791 } 1792 1793 static int wl12xx_setup(struct wl1271 *wl) 1794 { 1795 struct wl12xx_priv *priv = wl->priv; 1796 struct wlcore_platdev_data *pdev_data = dev_get_platdata(&wl->pdev->dev); 1797 1798 BUILD_BUG_ON(WL12XX_MAX_LINKS > WLCORE_MAX_LINKS); 1799 BUILD_BUG_ON(WL12XX_MAX_AP_STATIONS > WL12XX_MAX_LINKS); 1800 BUILD_BUG_ON(WL12XX_CONF_SG_PARAMS_MAX > WLCORE_CONF_SG_PARAMS_MAX); 1801 1802 wl->rtable = wl12xx_rtable; 1803 wl->num_tx_desc = WL12XX_NUM_TX_DESCRIPTORS; 1804 wl->num_rx_desc = WL12XX_NUM_RX_DESCRIPTORS; 1805 wl->num_links = WL12XX_MAX_LINKS; 1806 wl->max_ap_stations = WL12XX_MAX_AP_STATIONS; 1807 wl->iface_combinations = wl12xx_iface_combinations; 1808 wl->n_iface_combinations = ARRAY_SIZE(wl12xx_iface_combinations); 1809 wl->num_mac_addr = WL12XX_NUM_MAC_ADDRESSES; 1810 wl->band_rate_to_idx = wl12xx_band_rate_to_idx; 1811 wl->hw_tx_rate_tbl_size = WL12XX_CONF_HW_RXTX_RATE_MAX; 1812 wl->hw_min_ht_rate = WL12XX_CONF_HW_RXTX_RATE_MCS0; 1813 wl->fw_status_len = sizeof(struct wl12xx_fw_status); 1814 wl->fw_status_priv_len = 0; 1815 wl->stats.fw_stats_len = sizeof(struct wl12xx_acx_statistics); 1816 wl->ofdm_only_ap = true; 1817 wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ, &wl12xx_ht_cap); 1818 wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ, &wl12xx_ht_cap); 1819 wl12xx_conf_init(wl); 1820 1821 if (!fref_param) { 1822 priv->ref_clock = wl12xx_get_clock_idx(wl12xx_refclock_table, 1823 pdev_data->ref_clock_freq, 1824 pdev_data->ref_clock_xtal); 1825 if (priv->ref_clock < 0) { 1826 wl1271_error("Invalid ref_clock frequency (%d Hz, %s)", 1827 pdev_data->ref_clock_freq, 1828 pdev_data->ref_clock_xtal ? 1829 "XTAL" : "not XTAL"); 1830 1831 return priv->ref_clock; 1832 } 1833 } else { 1834 if (!strcmp(fref_param, "19.2")) 1835 priv->ref_clock = WL12XX_REFCLOCK_19; 1836 else if (!strcmp(fref_param, "26")) 1837 priv->ref_clock = WL12XX_REFCLOCK_26; 1838 else if (!strcmp(fref_param, "26x")) 1839 priv->ref_clock = WL12XX_REFCLOCK_26_XTAL; 1840 else if (!strcmp(fref_param, "38.4")) 1841 priv->ref_clock = WL12XX_REFCLOCK_38; 1842 else if (!strcmp(fref_param, "38.4x")) 1843 priv->ref_clock = WL12XX_REFCLOCK_38_XTAL; 1844 else if (!strcmp(fref_param, "52")) 1845 priv->ref_clock = WL12XX_REFCLOCK_52; 1846 else 1847 wl1271_error("Invalid fref parameter %s", fref_param); 1848 } 1849 1850 if (!tcxo_param && pdev_data->tcxo_clock_freq) { 1851 priv->tcxo_clock = wl12xx_get_clock_idx(wl12xx_tcxoclock_table, 1852 pdev_data->tcxo_clock_freq, 1853 true); 1854 if (priv->tcxo_clock < 0) { 1855 wl1271_error("Invalid tcxo_clock frequency (%d Hz)", 1856 pdev_data->tcxo_clock_freq); 1857 1858 return priv->tcxo_clock; 1859 } 1860 } else if (tcxo_param) { 1861 if (!strcmp(tcxo_param, "19.2")) 1862 priv->tcxo_clock = WL12XX_TCXOCLOCK_19_2; 1863 else if (!strcmp(tcxo_param, "26")) 1864 priv->tcxo_clock = WL12XX_TCXOCLOCK_26; 1865 else if (!strcmp(tcxo_param, "38.4")) 1866 priv->tcxo_clock = WL12XX_TCXOCLOCK_38_4; 1867 else if (!strcmp(tcxo_param, "52")) 1868 priv->tcxo_clock = WL12XX_TCXOCLOCK_52; 1869 else if (!strcmp(tcxo_param, "16.368")) 1870 priv->tcxo_clock = WL12XX_TCXOCLOCK_16_368; 1871 else if (!strcmp(tcxo_param, "32.736")) 1872 priv->tcxo_clock = WL12XX_TCXOCLOCK_32_736; 1873 else if (!strcmp(tcxo_param, "16.8")) 1874 priv->tcxo_clock = WL12XX_TCXOCLOCK_16_8; 1875 else if (!strcmp(tcxo_param, "33.6")) 1876 priv->tcxo_clock = WL12XX_TCXOCLOCK_33_6; 1877 else 1878 wl1271_error("Invalid tcxo parameter %s", tcxo_param); 1879 } 1880 1881 priv->rx_mem_addr = kmalloc(sizeof(*priv->rx_mem_addr), GFP_KERNEL); 1882 if (!priv->rx_mem_addr) 1883 return -ENOMEM; 1884 1885 return 0; 1886 } 1887 1888 static int wl12xx_probe(struct platform_device *pdev) 1889 { 1890 struct wl1271 *wl; 1891 struct ieee80211_hw *hw; 1892 int ret; 1893 1894 hw = wlcore_alloc_hw(sizeof(struct wl12xx_priv), 1895 WL12XX_AGGR_BUFFER_SIZE, 1896 sizeof(struct wl12xx_event_mailbox)); 1897 if (IS_ERR(hw)) { 1898 wl1271_error("can't allocate hw"); 1899 ret = PTR_ERR(hw); 1900 goto out; 1901 } 1902 1903 wl = hw->priv; 1904 wl->ops = &wl12xx_ops; 1905 wl->ptable = wl12xx_ptable; 1906 ret = wlcore_probe(wl, pdev); 1907 if (ret) 1908 goto out_free; 1909 1910 return ret; 1911 1912 out_free: 1913 wlcore_free_hw(wl); 1914 out: 1915 return ret; 1916 } 1917 1918 static int wl12xx_remove(struct platform_device *pdev) 1919 { 1920 struct wl1271 *wl = platform_get_drvdata(pdev); 1921 struct wl12xx_priv *priv; 1922 1923 if (!wl) 1924 goto out; 1925 priv = wl->priv; 1926 1927 kfree(priv->rx_mem_addr); 1928 1929 out: 1930 return wlcore_remove(pdev); 1931 } 1932 1933 static const struct platform_device_id wl12xx_id_table[] = { 1934 { "wl12xx", 0 }, 1935 { } /* Terminating Entry */ 1936 }; 1937 MODULE_DEVICE_TABLE(platform, wl12xx_id_table); 1938 1939 static struct platform_driver wl12xx_driver = { 1940 .probe = wl12xx_probe, 1941 .remove = wl12xx_remove, 1942 .id_table = wl12xx_id_table, 1943 .driver = { 1944 .name = "wl12xx_driver", 1945 } 1946 }; 1947 1948 module_platform_driver(wl12xx_driver); 1949 1950 module_param_named(fref, fref_param, charp, 0); 1951 MODULE_PARM_DESC(fref, "FREF clock: 19.2, 26, 26x, 38.4, 38.4x, 52"); 1952 1953 module_param_named(tcxo, tcxo_param, charp, 0); 1954 MODULE_PARM_DESC(tcxo, 1955 "TCXO clock: 19.2, 26, 38.4, 52, 16.368, 32.736, 16.8, 33.6"); 1956 1957 MODULE_LICENSE("GPL v2"); 1958 MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); 1959 MODULE_FIRMWARE(WL127X_FW_NAME_SINGLE); 1960 MODULE_FIRMWARE(WL127X_FW_NAME_MULTI); 1961 MODULE_FIRMWARE(WL127X_PLT_FW_NAME); 1962 MODULE_FIRMWARE(WL128X_FW_NAME_SINGLE); 1963 MODULE_FIRMWARE(WL128X_FW_NAME_MULTI); 1964 MODULE_FIRMWARE(WL128X_PLT_FW_NAME); 1965