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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / net / wireless / ti / wl18xx / main.c
blob0b3cf8477c6cde65bf59be8e63469515c783d718
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * This file is part of wl18xx
4 *
5 * Copyright (C) 2011 Texas Instruments
6 */
7
8 #include <linux/module.h>
9 #include <linux/mod_devicetable.h>
10 #include <linux/platform_device.h>
11 #include <linux/ip.h>
12 #include <linux/firmware.h>
13 #include <linux/etherdevice.h>
14 #include <linux/irq.h>
15
16 #include "../wlcore/wlcore.h"
17 #include "../wlcore/debug.h"
18 #include "../wlcore/io.h"
19 #include "../wlcore/acx.h"
20 #include "../wlcore/tx.h"
21 #include "../wlcore/rx.h"
22 #include "../wlcore/boot.h"
23
24 #include "reg.h"
25 #include "conf.h"
26 #include "cmd.h"
27 #include "acx.h"
28 #include "tx.h"
29 #include "wl18xx.h"
30 #include "io.h"
31 #include "scan.h"
32 #include "event.h"
33 #include "debugfs.h"
34
35 #define WL18XX_RX_CHECKSUM_MASK 0x40
36
37 static char *ht_mode_param = NULL;
38 static char *board_type_param = NULL;
39 static bool checksum_param = false;
40 static int num_rx_desc_param = -1;
41
42 /* phy paramters */
43 static int dc2dc_param = -1;
44 static int n_antennas_2_param = -1;
45 static int n_antennas_5_param = -1;
46 static int low_band_component_param = -1;
47 static int low_band_component_type_param = -1;
48 static int high_band_component_param = -1;
49 static int high_band_component_type_param = -1;
50 static int pwr_limit_reference_11_abg_param = -1;
51
52 static const u8 wl18xx_rate_to_idx_2ghz[] = {
53 /* MCS rates are used only with 11n */
54 15, /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */
55 14, /* WL18XX_CONF_HW_RXTX_RATE_MCS14 */
56 13, /* WL18XX_CONF_HW_RXTX_RATE_MCS13 */
57 12, /* WL18XX_CONF_HW_RXTX_RATE_MCS12 */
58 11, /* WL18XX_CONF_HW_RXTX_RATE_MCS11 */
59 10, /* WL18XX_CONF_HW_RXTX_RATE_MCS10 */
60 9, /* WL18XX_CONF_HW_RXTX_RATE_MCS9 */
61 8, /* WL18XX_CONF_HW_RXTX_RATE_MCS8 */
62 7, /* WL18XX_CONF_HW_RXTX_RATE_MCS7 */
63 6, /* WL18XX_CONF_HW_RXTX_RATE_MCS6 */
64 5, /* WL18XX_CONF_HW_RXTX_RATE_MCS5 */
65 4, /* WL18XX_CONF_HW_RXTX_RATE_MCS4 */
66 3, /* WL18XX_CONF_HW_RXTX_RATE_MCS3 */
67 2, /* WL18XX_CONF_HW_RXTX_RATE_MCS2 */
68 1, /* WL18XX_CONF_HW_RXTX_RATE_MCS1 */
69 0, /* WL18XX_CONF_HW_RXTX_RATE_MCS0 */
70
71 11, /* WL18XX_CONF_HW_RXTX_RATE_54 */
72 10, /* WL18XX_CONF_HW_RXTX_RATE_48 */
73 9, /* WL18XX_CONF_HW_RXTX_RATE_36 */
74 8, /* WL18XX_CONF_HW_RXTX_RATE_24 */
75
76 /* TI-specific rate */
77 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_22 */
78
79 7, /* WL18XX_CONF_HW_RXTX_RATE_18 */
80 6, /* WL18XX_CONF_HW_RXTX_RATE_12 */
81 3, /* WL18XX_CONF_HW_RXTX_RATE_11 */
82 5, /* WL18XX_CONF_HW_RXTX_RATE_9 */
83 4, /* WL18XX_CONF_HW_RXTX_RATE_6 */
84 2, /* WL18XX_CONF_HW_RXTX_RATE_5_5 */
85 1, /* WL18XX_CONF_HW_RXTX_RATE_2 */
86 0 /* WL18XX_CONF_HW_RXTX_RATE_1 */
87 };
88
89 static const u8 wl18xx_rate_to_idx_5ghz[] = {
90 /* MCS rates are used only with 11n */
91 15, /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */
92 14, /* WL18XX_CONF_HW_RXTX_RATE_MCS14 */
93 13, /* WL18XX_CONF_HW_RXTX_RATE_MCS13 */
94 12, /* WL18XX_CONF_HW_RXTX_RATE_MCS12 */
95 11, /* WL18XX_CONF_HW_RXTX_RATE_MCS11 */
96 10, /* WL18XX_CONF_HW_RXTX_RATE_MCS10 */
97 9, /* WL18XX_CONF_HW_RXTX_RATE_MCS9 */
98 8, /* WL18XX_CONF_HW_RXTX_RATE_MCS8 */
99 7, /* WL18XX_CONF_HW_RXTX_RATE_MCS7 */
100 6, /* WL18XX_CONF_HW_RXTX_RATE_MCS6 */
101 5, /* WL18XX_CONF_HW_RXTX_RATE_MCS5 */
102 4, /* WL18XX_CONF_HW_RXTX_RATE_MCS4 */
103 3, /* WL18XX_CONF_HW_RXTX_RATE_MCS3 */
104 2, /* WL18XX_CONF_HW_RXTX_RATE_MCS2 */
105 1, /* WL18XX_CONF_HW_RXTX_RATE_MCS1 */
106 0, /* WL18XX_CONF_HW_RXTX_RATE_MCS0 */
107
108 7, /* WL18XX_CONF_HW_RXTX_RATE_54 */
109 6, /* WL18XX_CONF_HW_RXTX_RATE_48 */
110 5, /* WL18XX_CONF_HW_RXTX_RATE_36 */
111 4, /* WL18XX_CONF_HW_RXTX_RATE_24 */
112
113 /* TI-specific rate */
114 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_22 */
115
116 3, /* WL18XX_CONF_HW_RXTX_RATE_18 */
117 2, /* WL18XX_CONF_HW_RXTX_RATE_12 */
118 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_11 */
119 1, /* WL18XX_CONF_HW_RXTX_RATE_9 */
120 0, /* WL18XX_CONF_HW_RXTX_RATE_6 */
121 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_5_5 */
122 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_2 */
123 CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_1 */
124 };
125
126 static const u8 *wl18xx_band_rate_to_idx[] = {
127 [NL80211_BAND_2GHZ] = wl18xx_rate_to_idx_2ghz,
128 [NL80211_BAND_5GHZ] = wl18xx_rate_to_idx_5ghz
129 };
130
131 enum wl18xx_hw_rates {
132 WL18XX_CONF_HW_RXTX_RATE_MCS15 = 0,
133 WL18XX_CONF_HW_RXTX_RATE_MCS14,
134 WL18XX_CONF_HW_RXTX_RATE_MCS13,
135 WL18XX_CONF_HW_RXTX_RATE_MCS12,
136 WL18XX_CONF_HW_RXTX_RATE_MCS11,
137 WL18XX_CONF_HW_RXTX_RATE_MCS10,
138 WL18XX_CONF_HW_RXTX_RATE_MCS9,
139 WL18XX_CONF_HW_RXTX_RATE_MCS8,
140 WL18XX_CONF_HW_RXTX_RATE_MCS7,
141 WL18XX_CONF_HW_RXTX_RATE_MCS6,
142 WL18XX_CONF_HW_RXTX_RATE_MCS5,
143 WL18XX_CONF_HW_RXTX_RATE_MCS4,
144 WL18XX_CONF_HW_RXTX_RATE_MCS3,
145 WL18XX_CONF_HW_RXTX_RATE_MCS2,
146 WL18XX_CONF_HW_RXTX_RATE_MCS1,
147 WL18XX_CONF_HW_RXTX_RATE_MCS0,
148 WL18XX_CONF_HW_RXTX_RATE_54,
149 WL18XX_CONF_HW_RXTX_RATE_48,
150 WL18XX_CONF_HW_RXTX_RATE_36,
151 WL18XX_CONF_HW_RXTX_RATE_24,
152 WL18XX_CONF_HW_RXTX_RATE_22,
153 WL18XX_CONF_HW_RXTX_RATE_18,
154 WL18XX_CONF_HW_RXTX_RATE_12,
155 WL18XX_CONF_HW_RXTX_RATE_11,
156 WL18XX_CONF_HW_RXTX_RATE_9,
157 WL18XX_CONF_HW_RXTX_RATE_6,
158 WL18XX_CONF_HW_RXTX_RATE_5_5,
159 WL18XX_CONF_HW_RXTX_RATE_2,
160 WL18XX_CONF_HW_RXTX_RATE_1,
161 WL18XX_CONF_HW_RXTX_RATE_MAX,
162 };
163
164 static struct wlcore_conf wl18xx_conf = {
165 .sg = {
166 .params = {
167 [WL18XX_CONF_SG_PARAM_0] = 0,
168 /* Configuration Parameters */
169 [WL18XX_CONF_SG_ANTENNA_CONFIGURATION] = 0,
170 [WL18XX_CONF_SG_ZIGBEE_COEX] = 0,
171 [WL18XX_CONF_SG_TIME_SYNC] = 0,
172 [WL18XX_CONF_SG_PARAM_4] = 0,
173 [WL18XX_CONF_SG_PARAM_5] = 0,
174 [WL18XX_CONF_SG_PARAM_6] = 0,
175 [WL18XX_CONF_SG_PARAM_7] = 0,
176 [WL18XX_CONF_SG_PARAM_8] = 0,
177 [WL18XX_CONF_SG_PARAM_9] = 0,
178 [WL18XX_CONF_SG_PARAM_10] = 0,
179 [WL18XX_CONF_SG_PARAM_11] = 0,
180 [WL18XX_CONF_SG_PARAM_12] = 0,
181 [WL18XX_CONF_SG_PARAM_13] = 0,
182 [WL18XX_CONF_SG_PARAM_14] = 0,
183 [WL18XX_CONF_SG_PARAM_15] = 0,
184 [WL18XX_CONF_SG_PARAM_16] = 0,
185 [WL18XX_CONF_SG_PARAM_17] = 0,
186 [WL18XX_CONF_SG_PARAM_18] = 0,
187 [WL18XX_CONF_SG_PARAM_19] = 0,
188 [WL18XX_CONF_SG_PARAM_20] = 0,
189 [WL18XX_CONF_SG_PARAM_21] = 0,
190 [WL18XX_CONF_SG_PARAM_22] = 0,
191 [WL18XX_CONF_SG_PARAM_23] = 0,
192 [WL18XX_CONF_SG_PARAM_24] = 0,
193 [WL18XX_CONF_SG_PARAM_25] = 0,
194 /* Active Scan Parameters */
195 [WL18XX_CONF_SG_AUTO_SCAN_PROBE_REQ] = 170,
196 [WL18XX_CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50,
197 [WL18XX_CONF_SG_PARAM_28] = 0,
198 /* Passive Scan Parameters */
199 [WL18XX_CONF_SG_PARAM_29] = 0,
200 [WL18XX_CONF_SG_PARAM_30] = 0,
201 [WL18XX_CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200,
202 /* Passive Scan in Dual Antenna Parameters */
203 [WL18XX_CONF_SG_CONSECUTIVE_HV3_IN_PASSIVE_SCAN] = 0,
204 [WL18XX_CONF_SG_BEACON_HV3_COLL_TH_IN_PASSIVE_SCAN] = 0,
205 [WL18XX_CONF_SG_TX_RX_PROTECT_BW_IN_PASSIVE_SCAN] = 0,
206 /* General Parameters */
207 [WL18XX_CONF_SG_STA_FORCE_PS_IN_BT_SCO] = 1,
208 [WL18XX_CONF_SG_PARAM_36] = 0,
209 [WL18XX_CONF_SG_BEACON_MISS_PERCENT] = 60,
210 [WL18XX_CONF_SG_PARAM_38] = 0,
211 [WL18XX_CONF_SG_RXT] = 1200,
212 [WL18XX_CONF_SG_UNUSED] = 0,
213 [WL18XX_CONF_SG_ADAPTIVE_RXT_TXT] = 1,
214 [WL18XX_CONF_SG_GENERAL_USAGE_BIT_MAP] = 3,
215 [WL18XX_CONF_SG_HV3_MAX_SERVED] = 6,
216 [WL18XX_CONF_SG_PARAM_44] = 0,
217 [WL18XX_CONF_SG_PARAM_45] = 0,
218 [WL18XX_CONF_SG_CONSECUTIVE_CTS_THRESHOLD] = 2,
219 [WL18XX_CONF_SG_GEMINI_PARAM_47] = 0,
220 [WL18XX_CONF_SG_STA_CONNECTION_PROTECTION_TIME] = 0,
221 /* AP Parameters */
222 [WL18XX_CONF_SG_AP_BEACON_MISS_TX] = 3,
223 [WL18XX_CONF_SG_PARAM_50] = 0,
224 [WL18XX_CONF_SG_AP_BEACON_WINDOW_INTERVAL] = 2,
225 [WL18XX_CONF_SG_AP_CONNECTION_PROTECTION_TIME] = 30,
226 [WL18XX_CONF_SG_PARAM_53] = 0,
227 [WL18XX_CONF_SG_PARAM_54] = 0,
228 /* CTS Diluting Parameters */
229 [WL18XX_CONF_SG_CTS_DILUTED_BAD_RX_PACKETS_TH] = 0,
230 [WL18XX_CONF_SG_CTS_CHOP_IN_DUAL_ANT_SCO_MASTER] = 0,
231 [WL18XX_CONF_SG_TEMP_PARAM_1] = 0,
232 [WL18XX_CONF_SG_TEMP_PARAM_2] = 0,
233 [WL18XX_CONF_SG_TEMP_PARAM_3] = 0,
234 [WL18XX_CONF_SG_TEMP_PARAM_4] = 0,
235 [WL18XX_CONF_SG_TEMP_PARAM_5] = 0,
236 [WL18XX_CONF_SG_TEMP_PARAM_6] = 0,
237 [WL18XX_CONF_SG_TEMP_PARAM_7] = 0,
238 [WL18XX_CONF_SG_TEMP_PARAM_8] = 0,
239 [WL18XX_CONF_SG_TEMP_PARAM_9] = 0,
240 [WL18XX_CONF_SG_TEMP_PARAM_10] = 0,
241 },
242 .state = CONF_SG_PROTECTIVE,
243 },
244 .rx = {
245 .rx_msdu_life_time = 512000,
246 .packet_detection_threshold = 0,
247 .ps_poll_timeout = 15,
248 .upsd_timeout = 15,
249 .rts_threshold = IEEE80211_MAX_RTS_THRESHOLD,
250 .rx_cca_threshold = 0,
251 .irq_blk_threshold = 0xFFFF,
252 .irq_pkt_threshold = 0,
253 .irq_timeout = 600,
254 .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY,
255 },
256 .tx = {
257 .tx_energy_detection = 0,
258 .sta_rc_conf = {
259 .enabled_rates = 0,
260 .short_retry_limit = 10,
261 .long_retry_limit = 10,
262 .aflags = 0,
263 },
264 .ac_conf_count = 4,
265 .ac_conf = {
266 [CONF_TX_AC_BE] = {
267 .ac = CONF_TX_AC_BE,
268 .cw_min = 15,
269 .cw_max = 63,
270 .aifsn = 3,
271 .tx_op_limit = 0,
272 },
273 [CONF_TX_AC_BK] = {
274 .ac = CONF_TX_AC_BK,
275 .cw_min = 15,
276 .cw_max = 63,
277 .aifsn = 7,
278 .tx_op_limit = 0,
279 },
280 [CONF_TX_AC_VI] = {
281 .ac = CONF_TX_AC_VI,
282 .cw_min = 15,
283 .cw_max = 63,
284 .aifsn = CONF_TX_AIFS_PIFS,
285 .tx_op_limit = 3008,
286 },
287 [CONF_TX_AC_VO] = {
288 .ac = CONF_TX_AC_VO,
289 .cw_min = 15,
290 .cw_max = 63,
291 .aifsn = CONF_TX_AIFS_PIFS,
292 .tx_op_limit = 1504,
293 },
294 },
295 .max_tx_retries = 100,
296 .ap_aging_period = 300,
297 .tid_conf_count = 4,
298 .tid_conf = {
299 [CONF_TX_AC_BE] = {
300 .queue_id = CONF_TX_AC_BE,
301 .channel_type = CONF_CHANNEL_TYPE_EDCF,
302 .tsid = CONF_TX_AC_BE,
303 .ps_scheme = CONF_PS_SCHEME_LEGACY,
304 .ack_policy = CONF_ACK_POLICY_LEGACY,
305 .apsd_conf = {0, 0},
306 },
307 [CONF_TX_AC_BK] = {
308 .queue_id = CONF_TX_AC_BK,
309 .channel_type = CONF_CHANNEL_TYPE_EDCF,
310 .tsid = CONF_TX_AC_BK,
311 .ps_scheme = CONF_PS_SCHEME_LEGACY,
312 .ack_policy = CONF_ACK_POLICY_LEGACY,
313 .apsd_conf = {0, 0},
314 },
315 [CONF_TX_AC_VI] = {
316 .queue_id = CONF_TX_AC_VI,
317 .channel_type = CONF_CHANNEL_TYPE_EDCF,
318 .tsid = CONF_TX_AC_VI,
319 .ps_scheme = CONF_PS_SCHEME_LEGACY,
320 .ack_policy = CONF_ACK_POLICY_LEGACY,
321 .apsd_conf = {0, 0},
322 },
323 [CONF_TX_AC_VO] = {
324 .queue_id = CONF_TX_AC_VO,
325 .channel_type = CONF_CHANNEL_TYPE_EDCF,
326 .tsid = CONF_TX_AC_VO,
327 .ps_scheme = CONF_PS_SCHEME_LEGACY,
328 .ack_policy = CONF_ACK_POLICY_LEGACY,
329 .apsd_conf = {0, 0},
330 },
331 },
332 .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD,
333 .tx_compl_timeout = 350,
334 .tx_compl_threshold = 10,
335 .basic_rate = CONF_HW_BIT_RATE_1MBPS,
336 .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS,
337 .tmpl_short_retry_limit = 10,
338 .tmpl_long_retry_limit = 10,
339 .tx_watchdog_timeout = 5000,
340 .slow_link_thold = 3,
341 .fast_link_thold = 30,
342 },
343 .conn = {
344 .wake_up_event = CONF_WAKE_UP_EVENT_DTIM,
345 .listen_interval = 1,
346 .suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM,
347 .suspend_listen_interval = 3,
348 .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED,
349 .bcn_filt_ie_count = 3,
350 .bcn_filt_ie = {
351 [0] = {
352 .ie = WLAN_EID_CHANNEL_SWITCH,
353 .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE,
354 },
355 [1] = {
356 .ie = WLAN_EID_HT_OPERATION,
357 .rule = CONF_BCN_RULE_PASS_ON_CHANGE,
358 },
359 [2] = {
360 .ie = WLAN_EID_ERP_INFO,
361 .rule = CONF_BCN_RULE_PASS_ON_CHANGE,
362 },
363 },
364 .synch_fail_thold = 12,
365 .bss_lose_timeout = 400,
366 .beacon_rx_timeout = 10000,
367 .broadcast_timeout = 20000,
368 .rx_broadcast_in_ps = 1,
369 .ps_poll_threshold = 10,
370 .bet_enable = CONF_BET_MODE_ENABLE,
371 .bet_max_consecutive = 50,
372 .psm_entry_retries = 8,
373 .psm_exit_retries = 16,
374 .psm_entry_nullfunc_retries = 3,
375 .dynamic_ps_timeout = 1500,
376 .forced_ps = false,
377 .keep_alive_interval = 55000,
378 .max_listen_interval = 20,
379 .sta_sleep_auth = WL1271_PSM_ILLEGAL,
380 .suspend_rx_ba_activity = 0,
381 },
382 .itrim = {
383 .enable = false,
384 .timeout = 50000,
385 },
386 .pm_config = {
387 .host_clk_settling_time = 5000,
388 .host_fast_wakeup_support = CONF_FAST_WAKEUP_DISABLE,
389 },
390 .roam_trigger = {
391 .trigger_pacing = 1,
392 .avg_weight_rssi_beacon = 20,
393 .avg_weight_rssi_data = 10,
394 .avg_weight_snr_beacon = 20,
395 .avg_weight_snr_data = 10,
396 },
397 .scan = {
398 .min_dwell_time_active = 7500,
399 .max_dwell_time_active = 30000,
400 .min_dwell_time_active_long = 25000,
401 .max_dwell_time_active_long = 50000,
402 .dwell_time_passive = 100000,
403 .dwell_time_dfs = 150000,
404 .num_probe_reqs = 2,
405 .split_scan_timeout = 50000,
406 },
407 .sched_scan = {
408 /*
409 * Values are in TU/1000 but since sched scan FW command
410 * params are in TUs rounding up may occur.
411 */
412 .base_dwell_time = 7500,
413 .max_dwell_time_delta = 22500,
414 /* based on 250bits per probe @1Mbps */
415 .dwell_time_delta_per_probe = 2000,
416 /* based on 250bits per probe @6Mbps (plus a bit more) */
417 .dwell_time_delta_per_probe_5 = 350,
418 .dwell_time_passive = 100000,
419 .dwell_time_dfs = 150000,
420 .num_probe_reqs = 2,
421 .rssi_threshold = -90,
422 .snr_threshold = 0,
423 .num_short_intervals = SCAN_MAX_SHORT_INTERVALS,
424 .long_interval = 30000,
425 },
426 .ht = {
427 .rx_ba_win_size = 32,
428 .tx_ba_win_size = 64,
429 .inactivity_timeout = 10000,
430 .tx_ba_tid_bitmap = CONF_TX_BA_ENABLED_TID_BITMAP,
431 },
432 .mem = {
433 .num_stations = 1,
434 .ssid_profiles = 1,
435 .rx_block_num = 40,
436 .tx_min_block_num = 40,
437 .dynamic_memory = 1,
438 .min_req_tx_blocks = 45,
439 .min_req_rx_blocks = 22,
440 .tx_min = 27,
441 },
442 .fm_coex = {
443 .enable = true,
444 .swallow_period = 5,
445 .n_divider_fref_set_1 = 0xff, /* default */
446 .n_divider_fref_set_2 = 12,
447 .m_divider_fref_set_1 = 0xffff,
448 .m_divider_fref_set_2 = 148, /* default */
449 .coex_pll_stabilization_time = 0xffffffff, /* default */
450 .ldo_stabilization_time = 0xffff, /* default */
451 .fm_disturbed_band_margin = 0xff, /* default */
452 .swallow_clk_diff = 0xff, /* default */
453 },
454 .rx_streaming = {
455 .duration = 150,
456 .queues = 0x1,
457 .interval = 20,
458 .always = 0,
459 },
460 .fwlog = {
461 .mode = WL12XX_FWLOG_CONTINUOUS,
462 .mem_blocks = 0,
463 .severity = 0,
464 .timestamp = WL12XX_FWLOG_TIMESTAMP_DISABLED,
465 .output = WL12XX_FWLOG_OUTPUT_DBG_PINS,
466 .threshold = 0,
467 },
468 .rate = {
469 .rate_retry_score = 32000,
470 .per_add = 8192,
471 .per_th1 = 2048,
472 .per_th2 = 4096,
473 .max_per = 8100,
474 .inverse_curiosity_factor = 5,
475 .tx_fail_low_th = 4,
476 .tx_fail_high_th = 10,
477 .per_alpha_shift = 4,
478 .per_add_shift = 13,
479 .per_beta1_shift = 10,
480 .per_beta2_shift = 8,
481 .rate_check_up = 2,
482 .rate_check_down = 12,
483 .rate_retry_policy = {
484 0x00, 0x00, 0x00, 0x00, 0x00,
485 0x00, 0x00, 0x00, 0x00, 0x00,
486 0x00, 0x00, 0x00,
487 },
488 },
489 .hangover = {
490 .recover_time = 0,
491 .hangover_period = 20,
492 .dynamic_mode = 1,
493 .early_termination_mode = 1,
494 .max_period = 20,
495 .min_period = 1,
496 .increase_delta = 1,
497 .decrease_delta = 2,
498 .quiet_time = 4,
499 .increase_time = 1,
500 .window_size = 16,
501 },
502 .recovery = {
503 .bug_on_recovery = 0,
504 .no_recovery = 0,
505 },
506 };
507
508 static struct wl18xx_priv_conf wl18xx_default_priv_conf = {
509 .ht = {
510 .mode = HT_MODE_WIDE,
511 },
512 .phy = {
513 .phy_standalone = 0x00,
514 .primary_clock_setting_time = 0x05,
515 .clock_valid_on_wake_up = 0x00,
516 .secondary_clock_setting_time = 0x05,
517 .board_type = BOARD_TYPE_HDK_18XX,
518 .auto_detect = 0x00,
519 .dedicated_fem = FEM_NONE,
520 .low_band_component = COMPONENT_3_WAY_SWITCH,
521 .low_band_component_type = 0x05,
522 .high_band_component = COMPONENT_2_WAY_SWITCH,
523 .high_band_component_type = 0x09,
524 .tcxo_ldo_voltage = 0x00,
525 .xtal_itrim_val = 0x04,
526 .srf_state = 0x00,
527 .io_configuration = 0x01,
528 .sdio_configuration = 0x00,
529 .settings = 0x00,
530 .enable_clpc = 0x00,
531 .enable_tx_low_pwr_on_siso_rdl = 0x00,
532 .rx_profile = 0x00,
533 .pwr_limit_reference_11_abg = 0x64,
534 .per_chan_pwr_limit_arr_11abg = {
535 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
536 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
537 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
538 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
539 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
540 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
541 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
542 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
543 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
544 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
545 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
546 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
547 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
548 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
549 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
550 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
551 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
552 .pwr_limit_reference_11p = 0x64,
553 .per_chan_bo_mode_11_abg = { 0x00, 0x00, 0x00, 0x00,
554 0x00, 0x00, 0x00, 0x00,
555 0x00, 0x00, 0x00, 0x00,
556 0x00 },
557 .per_chan_bo_mode_11_p = { 0x00, 0x00, 0x00, 0x00 },
558 .per_chan_pwr_limit_arr_11p = { 0xff, 0xff, 0xff, 0xff,
559 0xff, 0xff, 0xff },
560 .psat = 0,
561 .external_pa_dc2dc = 0,
562 .number_of_assembled_ant2_4 = 2,
563 .number_of_assembled_ant5 = 1,
564 .low_power_val = 0xff,
565 .med_power_val = 0xff,
566 .high_power_val = 0xff,
567 .low_power_val_2nd = 0xff,
568 .med_power_val_2nd = 0xff,
569 .high_power_val_2nd = 0xff,
570 .tx_rf_margin = 1,
571 },
572 .ap_sleep = { /* disabled by default */
573 .idle_duty_cycle = 0,
574 .connected_duty_cycle = 0,
575 .max_stations_thresh = 0,
576 .idle_conn_thresh = 0,
577 },
578 };
579
580 static const struct wlcore_partition_set wl18xx_ptable[PART_TABLE_LEN] = {
581 [PART_TOP_PRCM_ELP_SOC] = {
582 .mem = { .start = 0x00A00000, .size = 0x00012000 },
583 .reg = { .start = 0x00807000, .size = 0x00005000 },
584 .mem2 = { .start = 0x00800000, .size = 0x0000B000 },
585 .mem3 = { .start = 0x00401594, .size = 0x00001020 },
586 },
587 [PART_DOWN] = {
588 .mem = { .start = 0x00000000, .size = 0x00014000 },
589 .reg = { .start = 0x00810000, .size = 0x0000BFFF },
590 .mem2 = { .start = 0x00000000, .size = 0x00000000 },
591 .mem3 = { .start = 0x00000000, .size = 0x00000000 },
592 },
593 [PART_BOOT] = {
594 .mem = { .start = 0x00700000, .size = 0x0000030c },
595 .reg = { .start = 0x00802000, .size = 0x00014578 },
596 .mem2 = { .start = 0x00B00404, .size = 0x00001000 },
597 .mem3 = { .start = 0x00C00000, .size = 0x00000400 },
598 },
599 [PART_WORK] = {
600 .mem = { .start = 0x00800000, .size = 0x000050FC },
601 .reg = { .start = 0x00B00404, .size = 0x00001000 },
602 .mem2 = { .start = 0x00C00000, .size = 0x00000400 },
603 .mem3 = { .start = 0x00401594, .size = 0x00001020 },
604 },
605 [PART_PHY_INIT] = {
606 .mem = { .start = WL18XX_PHY_INIT_MEM_ADDR,
607 .size = WL18XX_PHY_INIT_MEM_SIZE },
608 .reg = { .start = 0x00000000, .size = 0x00000000 },
609 .mem2 = { .start = 0x00000000, .size = 0x00000000 },
610 .mem3 = { .start = 0x00000000, .size = 0x00000000 },
611 },
612 };
613
614 static const int wl18xx_rtable[REG_TABLE_LEN] = {
615 [REG_ECPU_CONTROL] = WL18XX_REG_ECPU_CONTROL,
616 [REG_INTERRUPT_NO_CLEAR] = WL18XX_REG_INTERRUPT_NO_CLEAR,
617 [REG_INTERRUPT_ACK] = WL18XX_REG_INTERRUPT_ACK,
618 [REG_COMMAND_MAILBOX_PTR] = WL18XX_REG_COMMAND_MAILBOX_PTR,
619 [REG_EVENT_MAILBOX_PTR] = WL18XX_REG_EVENT_MAILBOX_PTR,
620 [REG_INTERRUPT_TRIG] = WL18XX_REG_INTERRUPT_TRIG_H,
621 [REG_INTERRUPT_MASK] = WL18XX_REG_INTERRUPT_MASK,
622 [REG_PC_ON_RECOVERY] = WL18XX_SCR_PAD4,
623 [REG_CHIP_ID_B] = WL18XX_REG_CHIP_ID_B,
624 [REG_CMD_MBOX_ADDRESS] = WL18XX_CMD_MBOX_ADDRESS,
625
626 /* data access memory addresses, used with partition translation */
627 [REG_SLV_MEM_DATA] = WL18XX_SLV_MEM_DATA,
628 [REG_SLV_REG_DATA] = WL18XX_SLV_REG_DATA,
629
630 /* raw data access memory addresses */
631 [REG_RAW_FW_STATUS_ADDR] = WL18XX_FW_STATUS_ADDR,
632 };
633
634 static const struct wl18xx_clk_cfg wl18xx_clk_table_coex[NUM_CLOCK_CONFIGS] = {
635 [CLOCK_CONFIG_16_2_M] = { 8, 121, 0, 0, false },
636 [CLOCK_CONFIG_16_368_M] = { 8, 120, 0, 0, false },
637 [CLOCK_CONFIG_16_8_M] = { 8, 117, 0, 0, false },
638 [CLOCK_CONFIG_19_2_M] = { 10, 128, 0, 0, false },
639 [CLOCK_CONFIG_26_M] = { 11, 104, 0, 0, false },
640 [CLOCK_CONFIG_32_736_M] = { 8, 120, 0, 0, false },
641 [CLOCK_CONFIG_33_6_M] = { 8, 117, 0, 0, false },
642 [CLOCK_CONFIG_38_468_M] = { 10, 128, 0, 0, false },
643 [CLOCK_CONFIG_52_M] = { 11, 104, 0, 0, false },
644 };
645
646 static const struct wl18xx_clk_cfg wl18xx_clk_table[NUM_CLOCK_CONFIGS] = {
647 [CLOCK_CONFIG_16_2_M] = { 7, 104, 801, 4, true },
648 [CLOCK_CONFIG_16_368_M] = { 9, 132, 3751, 4, true },
649 [CLOCK_CONFIG_16_8_M] = { 7, 100, 0, 0, false },
650 [CLOCK_CONFIG_19_2_M] = { 8, 100, 0, 0, false },
651 [CLOCK_CONFIG_26_M] = { 13, 120, 0, 0, false },
652 [CLOCK_CONFIG_32_736_M] = { 9, 132, 3751, 4, true },
653 [CLOCK_CONFIG_33_6_M] = { 7, 100, 0, 0, false },
654 [CLOCK_CONFIG_38_468_M] = { 8, 100, 0, 0, false },
655 [CLOCK_CONFIG_52_M] = { 13, 120, 0, 0, false },
656 };
657
658 /* TODO: maybe move to a new header file? */
659 #define WL18XX_FW_NAME "ti-connectivity/wl18xx-fw-4.bin"
660
661 static int wl18xx_identify_chip(struct wl1271 *wl)
662 {
663 int ret = 0;
664
665 switch (wl->chip.id) {
666 case CHIP_ID_185x_PG20:
667 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (185x PG20)",
668 wl->chip.id);
669 wl->sr_fw_name = WL18XX_FW_NAME;
670 /* wl18xx uses the same firmware for PLT */
671 wl->plt_fw_name = WL18XX_FW_NAME;
672 wl->quirks |= WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN |
673 WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN |
674 WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN |
675 WLCORE_QUIRK_TX_PAD_LAST_FRAME |
676 WLCORE_QUIRK_REGDOMAIN_CONF |
677 WLCORE_QUIRK_DUAL_PROBE_TMPL;
678
679 wlcore_set_min_fw_ver(wl, WL18XX_CHIP_VER,
680 WL18XX_IFTYPE_VER, WL18XX_MAJOR_VER,
681 WL18XX_SUBTYPE_VER, WL18XX_MINOR_VER,
682 /* there's no separate multi-role FW */
683 0, 0, 0, 0);
684 break;
685 case CHIP_ID_185x_PG10:
686 wl1271_warning("chip id 0x%x (185x PG10) is deprecated",
687 wl->chip.id);
688 ret = -ENODEV;
689 goto out;
690
691 default:
692 wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
693 ret = -ENODEV;
694 goto out;
695 }
696
697 wl->fw_mem_block_size = 272;
698 wl->fwlog_end = 0x40000000;
699
700 wl->scan_templ_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4;
701 wl->scan_templ_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5;
702 wl->sched_scan_templ_id_2_4 = CMD_TEMPL_PROBE_REQ_2_4_PERIODIC;
703 wl->sched_scan_templ_id_5 = CMD_TEMPL_PROBE_REQ_5_PERIODIC;
704 wl->max_channels_5 = WL18XX_MAX_CHANNELS_5GHZ;
705 wl->ba_rx_session_count_max = WL18XX_RX_BA_MAX_SESSIONS;
706 out:
707 return ret;
708 }
709
710 static int wl18xx_set_clk(struct wl1271 *wl)
711 {
712 u16 clk_freq;
713 int ret;
714
715 ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
716 if (ret < 0)
717 goto out;
718
719 /* TODO: PG2: apparently we need to read the clk type */
720
721 ret = wl18xx_top_reg_read(wl, PRIMARY_CLK_DETECT, &clk_freq);
722 if (ret < 0)
723 goto out;
724
725 wl1271_debug(DEBUG_BOOT, "clock freq %d (%d, %d, %d, %d, %s)", clk_freq,
726 wl18xx_clk_table[clk_freq].n, wl18xx_clk_table[clk_freq].m,
727 wl18xx_clk_table[clk_freq].p, wl18xx_clk_table[clk_freq].q,
728 wl18xx_clk_table[clk_freq].swallow ? "swallow" : "spit");
729
730 /* coex PLL configuration */
731 ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_N,
732 wl18xx_clk_table_coex[clk_freq].n);
733 if (ret < 0)
734 goto out;
735
736 ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_M,
737 wl18xx_clk_table_coex[clk_freq].m);
738 if (ret < 0)
739 goto out;
740
741 /* bypass the swallowing logic */
742 ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN,
743 PLLSH_COEX_PLL_SWALLOW_EN_VAL1);
744 if (ret < 0)
745 goto out;
746
747 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_N,
748 wl18xx_clk_table[clk_freq].n);
749 if (ret < 0)
750 goto out;
751
752 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_M,
753 wl18xx_clk_table[clk_freq].m);
754 if (ret < 0)
755 goto out;
756
757 if (wl18xx_clk_table[clk_freq].swallow) {
758 /* first the 16 lower bits */
759 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_1,
760 wl18xx_clk_table[clk_freq].q &
761 PLLSH_WCS_PLL_Q_FACTOR_CFG_1_MASK);
762 if (ret < 0)
763 goto out;
764
765 /* then the 16 higher bits, masked out */
766 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_2,
767 (wl18xx_clk_table[clk_freq].q >> 16) &
768 PLLSH_WCS_PLL_Q_FACTOR_CFG_2_MASK);
769 if (ret < 0)
770 goto out;
771
772 /* first the 16 lower bits */
773 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_1,
774 wl18xx_clk_table[clk_freq].p &
775 PLLSH_WCS_PLL_P_FACTOR_CFG_1_MASK);
776 if (ret < 0)
777 goto out;
778
779 /* then the 16 higher bits, masked out */
780 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_2,
781 (wl18xx_clk_table[clk_freq].p >> 16) &
782 PLLSH_WCS_PLL_P_FACTOR_CFG_2_MASK);
783 if (ret < 0)
784 goto out;
785 } else {
786 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_SWALLOW_EN,
787 PLLSH_WCS_PLL_SWALLOW_EN_VAL2);
788 if (ret < 0)
789 goto out;
790 }
791
792 /* choose WCS PLL */
793 ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_SEL,
794 PLLSH_WL_PLL_SEL_WCS_PLL);
795 if (ret < 0)
796 goto out;
797
798 /* enable both PLLs */
799 ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL1);
800 if (ret < 0)
801 goto out;
802
803 udelay(1000);
804
805 /* disable coex PLL */
806 ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL2);
807 if (ret < 0)
808 goto out;
809
810 /* reset the swallowing logic */
811 ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN,
812 PLLSH_COEX_PLL_SWALLOW_EN_VAL2);
813
814 out:
815 return ret;
816 }
817
818 static int wl18xx_boot_soft_reset(struct wl1271 *wl)
819 {
820 int ret;
821
822 /* disable Rx/Tx */
823 ret = wlcore_write32(wl, WL18XX_ENABLE, 0x0);
824 if (ret < 0)
825 goto out;
826
827 /* disable auto calibration on start*/
828 ret = wlcore_write32(wl, WL18XX_SPARE_A2, 0xffff);
829
830 out:
831 return ret;
832 }
833
834 static int wl18xx_pre_boot(struct wl1271 *wl)
835 {
836 int ret;
837
838 ret = wl18xx_set_clk(wl);
839 if (ret < 0)
840 goto out;
841
842 /* Continue the ELP wake up sequence */
843 ret = wlcore_write32(wl, WL18XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
844 if (ret < 0)
845 goto out;
846
847 udelay(500);
848
849 ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
850 if (ret < 0)
851 goto out;
852
853 /* Disable interrupts */
854 ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
855 if (ret < 0)
856 goto out;
857
858 ret = wl18xx_boot_soft_reset(wl);
859
860 out:
861 return ret;
862 }
863
864 static int wl18xx_pre_upload(struct wl1271 *wl)
865 {
866 u32 tmp;
867 int ret;
868 u16 irq_invert;
869
870 BUILD_BUG_ON(sizeof(struct wl18xx_mac_and_phy_params) >
871 WL18XX_PHY_INIT_MEM_SIZE);
872
873 ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
874 if (ret < 0)
875 goto out;
876
877 /* TODO: check if this is all needed */
878 ret = wlcore_write32(wl, WL18XX_EEPROMLESS_IND, WL18XX_EEPROMLESS_IND);
879 if (ret < 0)
880 goto out;
881
882 ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &tmp);
883 if (ret < 0)
884 goto out;
885
886 wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
887
888 ret = wlcore_read32(wl, WL18XX_SCR_PAD2, &tmp);
889 if (ret < 0)
890 goto out;
891
892 /*
893 * Workaround for FDSP code RAM corruption (needed for PG2.1
894 * and newer; for older chips it's a NOP). Change FDSP clock
895 * settings so that it's muxed to the ATGP clock instead of
896 * its own clock.
897 */
898
899 ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
900 if (ret < 0)
901 goto out;
902
903 /* disable FDSP clock */
904 ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
905 MEM_FDSP_CLK_120_DISABLE);
906 if (ret < 0)
907 goto out;
908
909 /* set ATPG clock toward FDSP Code RAM rather than its own clock */
910 ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
911 MEM_FDSP_CODERAM_FUNC_CLK_SEL);
912 if (ret < 0)
913 goto out;
914
915 /* re-enable FDSP clock */
916 ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
917 MEM_FDSP_CLK_120_ENABLE);
918 if (ret < 0)
919 goto out;
920
921 ret = irq_get_trigger_type(wl->irq);
922 if ((ret == IRQ_TYPE_LEVEL_LOW) || (ret == IRQ_TYPE_EDGE_FALLING)) {
923 wl1271_info("using inverted interrupt logic: %d", ret);
924 ret = wlcore_set_partition(wl,
925 &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
926 if (ret < 0)
927 goto out;
928
929 ret = wl18xx_top_reg_read(wl, TOP_FN0_CCCR_REG_32, &irq_invert);
930 if (ret < 0)
931 goto out;
932
933 irq_invert |= BIT(1);
934 ret = wl18xx_top_reg_write(wl, TOP_FN0_CCCR_REG_32, irq_invert);
935 if (ret < 0)
936 goto out;
937
938 ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
939 }
940
941 out:
942 return ret;
943 }
944
945 static int wl18xx_set_mac_and_phy(struct wl1271 *wl)
946 {
947 struct wl18xx_priv *priv = wl->priv;
948 struct wl18xx_mac_and_phy_params *params;
949 int ret;
950
951 params = kmemdup(&priv->conf.phy, sizeof(*params), GFP_KERNEL);
952 if (!params) {
953 ret = -ENOMEM;
954 goto out;
955 }
956
957 ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
958 if (ret < 0)
959 goto out;
960
961 ret = wlcore_write(wl, WL18XX_PHY_INIT_MEM_ADDR, params,
962 sizeof(*params), false);
963
964 out:
965 kfree(params);
966 return ret;
967 }
968
969 static int wl18xx_enable_interrupts(struct wl1271 *wl)
970 {
971 u32 event_mask, intr_mask;
972 int ret;
973
974 event_mask = WL18XX_ACX_EVENTS_VECTOR;
975 intr_mask = WL18XX_INTR_MASK;
976
977 ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, event_mask);
978 if (ret < 0)
979 goto out;
980
981 wlcore_enable_interrupts(wl);
982
983 ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK,
984 WL1271_ACX_INTR_ALL & ~intr_mask);
985 if (ret < 0)
986 goto disable_interrupts;
987
988 return ret;
989
990 disable_interrupts:
991 wlcore_disable_interrupts(wl);
992
993 out:
994 return ret;
995 }
996
997 static int wl18xx_boot(struct wl1271 *wl)
998 {
999 int ret;
1000
1001 ret = wl18xx_pre_boot(wl);
1002 if (ret < 0)
1003 goto out;
1004
1005 ret = wl18xx_pre_upload(wl);
1006 if (ret < 0)
1007 goto out;
1008
1009 ret = wlcore_boot_upload_firmware(wl);
1010 if (ret < 0)
1011 goto out;
1012
1013 ret = wl18xx_set_mac_and_phy(wl);
1014 if (ret < 0)
1015 goto out;
1016
1017 wl->event_mask = BSS_LOSS_EVENT_ID |
1018 SCAN_COMPLETE_EVENT_ID |
1019 RADAR_DETECTED_EVENT_ID |
1020 RSSI_SNR_TRIGGER_0_EVENT_ID |
1021 PERIODIC_SCAN_COMPLETE_EVENT_ID |
1022 PERIODIC_SCAN_REPORT_EVENT_ID |
1023 DUMMY_PACKET_EVENT_ID |
1024 PEER_REMOVE_COMPLETE_EVENT_ID |
1025 BA_SESSION_RX_CONSTRAINT_EVENT_ID |
1026 REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID |
1027 INACTIVE_STA_EVENT_ID |
1028 CHANNEL_SWITCH_COMPLETE_EVENT_ID |
1029 DFS_CHANNELS_CONFIG_COMPLETE_EVENT |
1030 SMART_CONFIG_SYNC_EVENT_ID |
1031 SMART_CONFIG_DECODE_EVENT_ID |
1032 TIME_SYNC_EVENT_ID |
1033 FW_LOGGER_INDICATION |
1034 RX_BA_WIN_SIZE_CHANGE_EVENT_ID;
1035
1036 wl->ap_event_mask = MAX_TX_FAILURE_EVENT_ID;
1037
1038 ret = wlcore_boot_run_firmware(wl);
1039 if (ret < 0)
1040 goto out;
1041
1042 ret = wl18xx_enable_interrupts(wl);
1043
1044 out:
1045 return ret;
1046 }
1047
1048 static int wl18xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr,
1049 void *buf, size_t len)
1050 {
1051 struct wl18xx_priv *priv = wl->priv;
1052
1053 memcpy(priv->cmd_buf, buf, len);
1054 memset(priv->cmd_buf + len, 0, WL18XX_CMD_MAX_SIZE - len);
1055
1056 return wlcore_write(wl, cmd_box_addr, priv->cmd_buf,
1057 WL18XX_CMD_MAX_SIZE, false);
1058 }
1059
1060 static int wl18xx_ack_event(struct wl1271 *wl)
1061 {
1062 return wlcore_write_reg(wl, REG_INTERRUPT_TRIG,
1063 WL18XX_INTR_TRIG_EVENT_ACK);
1064 }
1065
1066 static u32 wl18xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks)
1067 {
1068 u32 blk_size = WL18XX_TX_HW_BLOCK_SIZE;
1069 return (len + blk_size - 1) / blk_size + spare_blks;
1070 }
1071
1072 static void
1073 wl18xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1074 u32 blks, u32 spare_blks)
1075 {
1076 desc->wl18xx_mem.total_mem_blocks = blks;
1077 }
1078
1079 static void
1080 wl18xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1081 struct sk_buff *skb)
1082 {
1083 desc->length = cpu_to_le16(skb->len);
1084
1085 /* if only the last frame is to be padded, we unset this bit on Tx */
1086 if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME)
1087 desc->wl18xx_mem.ctrl = WL18XX_TX_CTRL_NOT_PADDED;
1088 else
1089 desc->wl18xx_mem.ctrl = 0;
1090
1091 wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d "
1092 "len: %d life: %d mem: %d", desc->hlid,
1093 le16_to_cpu(desc->length),
1094 le16_to_cpu(desc->life_time),
1095 desc->wl18xx_mem.total_mem_blocks);
1096 }
1097
1098 static enum wl_rx_buf_align
1099 wl18xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc)
1100 {
1101 if (rx_desc & RX_BUF_PADDED_PAYLOAD)
1102 return WLCORE_RX_BUF_PADDED;
1103
1104 return WLCORE_RX_BUF_ALIGNED;
1105 }
1106
1107 static u32 wl18xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data,
1108 u32 data_len)
1109 {
1110 struct wl1271_rx_descriptor *desc = rx_data;
1111
1112 /* invalid packet */
1113 if (data_len < sizeof(*desc))
1114 return 0;
1115
1116 return data_len - sizeof(*desc);
1117 }
1118
1119 static void wl18xx_tx_immediate_completion(struct wl1271 *wl)
1120 {
1121 wl18xx_tx_immediate_complete(wl);
1122 }
1123
1124 static int wl18xx_set_host_cfg_bitmap(struct wl1271 *wl, u32 extra_mem_blk)
1125 {
1126 int ret;
1127 u32 sdio_align_size = 0;
1128 u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE |
1129 HOST_IF_CFG_ADD_RX_ALIGNMENT;
1130
1131 /* Enable Tx SDIO padding */
1132 if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) {
1133 host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
1134 sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
1135 }
1136
1137 /* Enable Rx SDIO padding */
1138 if (wl->quirks & WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN) {
1139 host_cfg_bitmap |= HOST_IF_CFG_RX_PAD_TO_SDIO_BLK;
1140 sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
1141 }
1142
1143 ret = wl18xx_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap,
1144 sdio_align_size, extra_mem_blk,
1145 WL18XX_HOST_IF_LEN_SIZE_FIELD);
1146 if (ret < 0)
1147 return ret;
1148
1149 return 0;
1150 }
1151
1152 static int wl18xx_hw_init(struct wl1271 *wl)
1153 {
1154 int ret;
1155 struct wl18xx_priv *priv = wl->priv;
1156
1157 /* (re)init private structures. Relevant on recovery as well. */
1158 priv->last_fw_rls_idx = 0;
1159 priv->extra_spare_key_count = 0;
1160
1161 /* set the default amount of spare blocks in the bitmap */
1162 ret = wl18xx_set_host_cfg_bitmap(wl, WL18XX_TX_HW_BLOCK_SPARE);
1163 if (ret < 0)
1164 return ret;
1165
1166 /* set the dynamic fw traces bitmap */
1167 ret = wl18xx_acx_dynamic_fw_traces(wl);
1168 if (ret < 0)
1169 return ret;
1170
1171 if (checksum_param) {
1172 ret = wl18xx_acx_set_checksum_state(wl);
1173 if (ret != 0)
1174 return ret;
1175 }
1176
1177 return ret;
1178 }
1179
1180 static void wl18xx_convert_fw_status(struct wl1271 *wl, void *raw_fw_status,
1181 struct wl_fw_status *fw_status)
1182 {
1183 struct wl18xx_fw_status *int_fw_status = raw_fw_status;
1184
1185 fw_status->intr = le32_to_cpu(int_fw_status->intr);
1186 fw_status->fw_rx_counter = int_fw_status->fw_rx_counter;
1187 fw_status->drv_rx_counter = int_fw_status->drv_rx_counter;
1188 fw_status->tx_results_counter = int_fw_status->tx_results_counter;
1189 fw_status->rx_pkt_descs = int_fw_status->rx_pkt_descs;
1190
1191 fw_status->fw_localtime = le32_to_cpu(int_fw_status->fw_localtime);
1192 fw_status->link_ps_bitmap = le32_to_cpu(int_fw_status->link_ps_bitmap);
1193 fw_status->link_fast_bitmap =
1194 le32_to_cpu(int_fw_status->link_fast_bitmap);
1195 fw_status->total_released_blks =
1196 le32_to_cpu(int_fw_status->total_released_blks);
1197 fw_status->tx_total = le32_to_cpu(int_fw_status->tx_total);
1198
1199 fw_status->counters.tx_released_pkts =
1200 int_fw_status->counters.tx_released_pkts;
1201 fw_status->counters.tx_lnk_free_pkts =
1202 int_fw_status->counters.tx_lnk_free_pkts;
1203 fw_status->counters.tx_voice_released_blks =
1204 int_fw_status->counters.tx_voice_released_blks;
1205 fw_status->counters.tx_last_rate =
1206 int_fw_status->counters.tx_last_rate;
1207 fw_status->counters.tx_last_rate_mbps =
1208 int_fw_status->counters.tx_last_rate_mbps;
1209 fw_status->counters.hlid =
1210 int_fw_status->counters.hlid;
1211
1212 fw_status->log_start_addr = le32_to_cpu(int_fw_status->log_start_addr);
1213
1214 fw_status->priv = &int_fw_status->priv;
1215 }
1216
1217 static void wl18xx_set_tx_desc_csum(struct wl1271 *wl,
1218 struct wl1271_tx_hw_descr *desc,
1219 struct sk_buff *skb)
1220 {
1221 u32 ip_hdr_offset;
1222 struct iphdr *ip_hdr;
1223
1224 if (!checksum_param) {
1225 desc->wl18xx_checksum_data = 0;
1226 return;
1227 }
1228
1229 if (skb->ip_summed != CHECKSUM_PARTIAL) {
1230 desc->wl18xx_checksum_data = 0;
1231 return;
1232 }
1233
1234 ip_hdr_offset = skb_network_header(skb) - skb_mac_header(skb);
1235 if (WARN_ON(ip_hdr_offset >= (1<<7))) {
1236 desc->wl18xx_checksum_data = 0;
1237 return;
1238 }
1239
1240 desc->wl18xx_checksum_data = ip_hdr_offset << 1;
1241
1242 /* FW is interested only in the LSB of the protocol TCP=0 UDP=1 */
1243 ip_hdr = (void *)skb_network_header(skb);
1244 desc->wl18xx_checksum_data |= (ip_hdr->protocol & 0x01);
1245 }
1246
1247 static void wl18xx_set_rx_csum(struct wl1271 *wl,
1248 struct wl1271_rx_descriptor *desc,
1249 struct sk_buff *skb)
1250 {
1251 if (desc->status & WL18XX_RX_CHECKSUM_MASK)
1252 skb->ip_summed = CHECKSUM_UNNECESSARY;
1253 }
1254
1255 static bool wl18xx_is_mimo_supported(struct wl1271 *wl)
1256 {
1257 struct wl18xx_priv *priv = wl->priv;
1258
1259 /* only support MIMO with multiple antennas, and when SISO
1260 * is not forced through config
1261 */
1262 return (priv->conf.phy.number_of_assembled_ant2_4 >= 2) &&
1263 (priv->conf.ht.mode != HT_MODE_WIDE) &&
1264 (priv->conf.ht.mode != HT_MODE_SISO20);
1265 }
1266
1267 /*
1268 * TODO: instead of having these two functions to get the rate mask,
1269 * we should modify the wlvif->rate_set instead
1270 */
1271 static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl,
1272 struct wl12xx_vif *wlvif)
1273 {
1274 u32 hw_rate_set = wlvif->rate_set;
1275
1276 if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
1277 wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
1278 wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
1279 hw_rate_set |= CONF_TX_RATE_USE_WIDE_CHAN;
1280
1281 /* we don't support MIMO in wide-channel mode */
1282 hw_rate_set &= ~CONF_TX_MIMO_RATES;
1283 } else if (wl18xx_is_mimo_supported(wl)) {
1284 wl1271_debug(DEBUG_ACX, "using MIMO channel rate mask");
1285 hw_rate_set |= CONF_TX_MIMO_RATES;
1286 }
1287
1288 return hw_rate_set;
1289 }
1290
1291 static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl,
1292 struct wl12xx_vif *wlvif)
1293 {
1294 if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
1295 wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
1296 wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
1297
1298 /* sanity check - we don't support this */
1299 if (WARN_ON(wlvif->band != NL80211_BAND_5GHZ))
1300 return 0;
1301
1302 return CONF_TX_RATE_USE_WIDE_CHAN;
1303 } else if (wl18xx_is_mimo_supported(wl) &&
1304 wlvif->band == NL80211_BAND_2GHZ) {
1305 wl1271_debug(DEBUG_ACX, "using MIMO rate mask");
1306 /*
1307 * we don't care about HT channel here - if a peer doesn't
1308 * support MIMO, we won't enable it in its rates
1309 */
1310 return CONF_TX_MIMO_RATES;
1311 } else {
1312 return 0;
1313 }
1314 }
1315
1316 static const char *wl18xx_rdl_name(enum wl18xx_rdl_num rdl_num)
1317 {
1318 switch (rdl_num) {
1319 case RDL_1_HP:
1320 return "183xH";
1321 case RDL_2_SP:
1322 return "183x or 180x";
1323 case RDL_3_HP:
1324 return "187xH";
1325 case RDL_4_SP:
1326 return "187x";
1327 case RDL_5_SP:
1328 return "RDL11 - Not Supported";
1329 case RDL_6_SP:
1330 return "180xD";
1331 case RDL_7_SP:
1332 return "RDL13 - Not Supported (1893Q)";
1333 case RDL_8_SP:
1334 return "18xxQ";
1335 case RDL_NONE:
1336 return "UNTRIMMED";
1337 default:
1338 return "UNKNOWN";
1339 }
1340 }
1341
1342 static int wl18xx_get_pg_ver(struct wl1271 *wl, s8 *ver)
1343 {
1344 u32 fuse;
1345 s8 rom = 0, metal = 0, pg_ver = 0, rdl_ver = 0, package_type = 0;
1346 int ret;
1347
1348 ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
1349 if (ret < 0)
1350 goto out;
1351
1352 ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
1353 if (ret < 0)
1354 goto out;
1355
1356 package_type = (fuse >> WL18XX_PACKAGE_TYPE_OFFSET) & 1;
1357
1358 ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_1_3, &fuse);
1359 if (ret < 0)
1360 goto out;
1361
1362 pg_ver = (fuse & WL18XX_PG_VER_MASK) >> WL18XX_PG_VER_OFFSET;
1363 rom = (fuse & WL18XX_ROM_VER_MASK) >> WL18XX_ROM_VER_OFFSET;
1364
1365 if ((rom <= 0xE) && (package_type == WL18XX_PACKAGE_TYPE_WSP))
1366 metal = (fuse & WL18XX_METAL_VER_MASK) >>
1367 WL18XX_METAL_VER_OFFSET;
1368 else
1369 metal = (fuse & WL18XX_NEW_METAL_VER_MASK) >>
1370 WL18XX_NEW_METAL_VER_OFFSET;
1371
1372 ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
1373 if (ret < 0)
1374 goto out;
1375
1376 rdl_ver = (fuse & WL18XX_RDL_VER_MASK) >> WL18XX_RDL_VER_OFFSET;
1377
1378 wl1271_info("wl18xx HW: %s, PG %d.%d (ROM 0x%x)",
1379 wl18xx_rdl_name(rdl_ver), pg_ver, metal, rom);
1380
1381 if (ver)
1382 *ver = pg_ver;
1383
1384 ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
1385
1386 out:
1387 return ret;
1388 }
1389
1390 static int wl18xx_load_conf_file(struct device *dev, struct wlcore_conf *conf,
1391 struct wl18xx_priv_conf *priv_conf,
1392 const char *file)
1393 {
1394 struct wlcore_conf_file *conf_file;
1395 const struct firmware *fw;
1396 int ret;
1397
1398 ret = request_firmware(&fw, file, dev);
1399 if (ret < 0) {
1400 wl1271_error("could not get configuration binary %s: %d",
1401 file, ret);
1402 return ret;
1403 }
1404
1405 if (fw->size != WL18XX_CONF_SIZE) {
1406 wl1271_error("%s configuration binary size is wrong, expected %zu got %zu",
1407 file, WL18XX_CONF_SIZE, fw->size);
1408 ret = -EINVAL;
1409 goto out_release;
1410 }
1411
1412 conf_file = (struct wlcore_conf_file *) fw->data;
1413
1414 if (conf_file->header.magic != cpu_to_le32(WL18XX_CONF_MAGIC)) {
1415 wl1271_error("configuration binary file magic number mismatch, "
1416 "expected 0x%0x got 0x%0x", WL18XX_CONF_MAGIC,
1417 conf_file->header.magic);
1418 ret = -EINVAL;
1419 goto out_release;
1420 }
1421
1422 if (conf_file->header.version != cpu_to_le32(WL18XX_CONF_VERSION)) {
1423 wl1271_error("configuration binary file version not supported, "
1424 "expected 0x%08x got 0x%08x",
1425 WL18XX_CONF_VERSION, conf_file->header.version);
1426 ret = -EINVAL;
1427 goto out_release;
1428 }
1429
1430 memcpy(conf, &conf_file->core, sizeof(*conf));
1431 memcpy(priv_conf, &conf_file->priv, sizeof(*priv_conf));
1432
1433 out_release:
1434 release_firmware(fw);
1435 return ret;
1436 }
1437
1438 static int wl18xx_conf_init(struct wl1271 *wl, struct device *dev)
1439 {
1440 struct platform_device *pdev = wl->pdev;
1441 struct wlcore_platdev_data *pdata = dev_get_platdata(&pdev->dev);
1442 struct wl18xx_priv *priv = wl->priv;
1443
1444 if (wl18xx_load_conf_file(dev, &wl->conf, &priv->conf,
1445 pdata->family->cfg_name) < 0) {
1446 wl1271_warning("falling back to default config");
1447
1448 /* apply driver default configuration */
1449 memcpy(&wl->conf, &wl18xx_conf, sizeof(wl->conf));
1450 /* apply default private configuration */
1451 memcpy(&priv->conf, &wl18xx_default_priv_conf,
1452 sizeof(priv->conf));
1453 }
1454
1455 return 0;
1456 }
1457
1458 static int wl18xx_plt_init(struct wl1271 *wl)
1459 {
1460 int ret;
1461
1462 /* calibrator based auto/fem detect not supported for 18xx */
1463 if (wl->plt_mode == PLT_FEM_DETECT) {
1464 wl1271_error("wl18xx_plt_init: PLT FEM_DETECT not supported");
1465 return -EINVAL;
1466 }
1467
1468 ret = wlcore_write32(wl, WL18XX_SCR_PAD8, WL18XX_SCR_PAD8_PLT);
1469 if (ret < 0)
1470 return ret;
1471
1472 return wl->ops->boot(wl);
1473 }
1474
1475 static int wl18xx_get_mac(struct wl1271 *wl)
1476 {
1477 u32 mac1, mac2;
1478 int ret;
1479
1480 ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
1481 if (ret < 0)
1482 goto out;
1483
1484 ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_1, &mac1);
1485 if (ret < 0)
1486 goto out;
1487
1488 ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_2, &mac2);
1489 if (ret < 0)
1490 goto out;
1491
1492 /* these are the two parts of the BD_ADDR */
1493 wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
1494 ((mac1 & 0xff000000) >> 24);
1495 wl->fuse_nic_addr = (mac1 & 0xffffff);
1496
1497 if (!wl->fuse_oui_addr && !wl->fuse_nic_addr) {
1498 u8 mac[ETH_ALEN];
1499
1500 eth_random_addr(mac);
1501
1502 wl->fuse_oui_addr = (mac[0] << 16) + (mac[1] << 8) + mac[2];
1503 wl->fuse_nic_addr = (mac[3] << 16) + (mac[4] << 8) + mac[5];
1504 wl1271_warning("MAC address from fuse not available, using random locally administered addresses.");
1505 }
1506
1507 ret = wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
1508
1509 out:
1510 return ret;
1511 }
1512
1513 static int wl18xx_handle_static_data(struct wl1271 *wl,
1514 struct wl1271_static_data *static_data)
1515 {
1516 struct wl18xx_static_data_priv *static_data_priv =
1517 (struct wl18xx_static_data_priv *) static_data->priv;
1518
1519 strncpy(wl->chip.phy_fw_ver_str, static_data_priv->phy_version,
1520 sizeof(wl->chip.phy_fw_ver_str));
1521
1522 /* make sure the string is NULL-terminated */
1523 wl->chip.phy_fw_ver_str[sizeof(wl->chip.phy_fw_ver_str) - 1] = '\0';
1524
1525 wl1271_info("PHY firmware version: %s", static_data_priv->phy_version);
1526
1527 return 0;
1528 }
1529
1530 static int wl18xx_get_spare_blocks(struct wl1271 *wl, bool is_gem)
1531 {
1532 struct wl18xx_priv *priv = wl->priv;
1533
1534 /* If we have keys requiring extra spare, indulge them */
1535 if (priv->extra_spare_key_count)
1536 return WL18XX_TX_HW_EXTRA_BLOCK_SPARE;
1537
1538 return WL18XX_TX_HW_BLOCK_SPARE;
1539 }
1540
1541 static int wl18xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
1542 struct ieee80211_vif *vif,
1543 struct ieee80211_sta *sta,
1544 struct ieee80211_key_conf *key_conf)
1545 {
1546 struct wl18xx_priv *priv = wl->priv;
1547 bool change_spare = false, special_enc;
1548 int ret;
1549
1550 wl1271_debug(DEBUG_CRYPT, "extra spare keys before: %d",
1551 priv->extra_spare_key_count);
1552
1553 special_enc = key_conf->cipher == WL1271_CIPHER_SUITE_GEM ||
1554 key_conf->cipher == WLAN_CIPHER_SUITE_TKIP;
1555
1556 ret = wlcore_set_key(wl, cmd, vif, sta, key_conf);
1557 if (ret < 0)
1558 goto out;
1559
1560 /*
1561 * when adding the first or removing the last GEM/TKIP key,
1562 * we have to adjust the number of spare blocks.
1563 */
1564 if (special_enc) {
1565 if (cmd == SET_KEY) {
1566 /* first key */
1567 change_spare = (priv->extra_spare_key_count == 0);
1568 priv->extra_spare_key_count++;
1569 } else if (cmd == DISABLE_KEY) {
1570 /* last key */
1571 change_spare = (priv->extra_spare_key_count == 1);
1572 priv->extra_spare_key_count--;
1573 }
1574 }
1575
1576 wl1271_debug(DEBUG_CRYPT, "extra spare keys after: %d",
1577 priv->extra_spare_key_count);
1578
1579 if (!change_spare)
1580 goto out;
1581
1582 /* key is now set, change the spare blocks */
1583 if (priv->extra_spare_key_count)
1584 ret = wl18xx_set_host_cfg_bitmap(wl,
1585 WL18XX_TX_HW_EXTRA_BLOCK_SPARE);
1586 else
1587 ret = wl18xx_set_host_cfg_bitmap(wl,
1588 WL18XX_TX_HW_BLOCK_SPARE);
1589
1590 out:
1591 return ret;
1592 }
1593
1594 static u32 wl18xx_pre_pkt_send(struct wl1271 *wl,
1595 u32 buf_offset, u32 last_len)
1596 {
1597 if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME) {
1598 struct wl1271_tx_hw_descr *last_desc;
1599
1600 /* get the last TX HW descriptor written to the aggr buf */
1601 last_desc = (struct wl1271_tx_hw_descr *)(wl->aggr_buf +
1602 buf_offset - last_len);
1603
1604 /* the last frame is padded up to an SDIO block */
1605 last_desc->wl18xx_mem.ctrl &= ~WL18XX_TX_CTRL_NOT_PADDED;
1606 return ALIGN(buf_offset, WL12XX_BUS_BLOCK_SIZE);
1607 }
1608
1609 /* no modifications */
1610 return buf_offset;
1611 }
1612
1613 static void wl18xx_sta_rc_update(struct wl1271 *wl,
1614 struct wl12xx_vif *wlvif)
1615 {
1616 bool wide = wlvif->rc_update_bw >= IEEE80211_STA_RX_BW_40;
1617
1618 wl1271_debug(DEBUG_MAC80211, "mac80211 sta_rc_update wide %d", wide);
1619
1620 /* sanity */
1621 if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS))
1622 return;
1623
1624 /* ignore the change before association */
1625 if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
1626 return;
1627
1628 /*
1629 * If we started out as wide, we can change the operation mode. If we
1630 * thought this was a 20mhz AP, we have to reconnect
1631 */
1632 if (wlvif->sta.role_chan_type == NL80211_CHAN_HT40MINUS ||
1633 wlvif->sta.role_chan_type == NL80211_CHAN_HT40PLUS)
1634 wl18xx_acx_peer_ht_operation_mode(wl, wlvif->sta.hlid, wide);
1635 else
1636 ieee80211_connection_loss(wl12xx_wlvif_to_vif(wlvif));
1637 }
1638
1639 static int wl18xx_set_peer_cap(struct wl1271 *wl,
1640 struct ieee80211_sta_ht_cap *ht_cap,
1641 bool allow_ht_operation,
1642 u32 rate_set, u8 hlid)
1643 {
1644 return wl18xx_acx_set_peer_cap(wl, ht_cap, allow_ht_operation,
1645 rate_set, hlid);
1646 }
1647
1648 static bool wl18xx_lnk_high_prio(struct wl1271 *wl, u8 hlid,
1649 struct wl1271_link *lnk)
1650 {
1651 u8 thold;
1652 struct wl18xx_fw_status_priv *status_priv =
1653 (struct wl18xx_fw_status_priv *)wl->fw_status->priv;
1654 unsigned long suspend_bitmap;
1655
1656 /* if we don't have the link map yet, assume they all low prio */
1657 if (!status_priv)
1658 return false;
1659
1660 /* suspended links are never high priority */
1661 suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
1662 if (test_bit(hlid, &suspend_bitmap))
1663 return false;
1664
1665 /* the priority thresholds are taken from FW */
1666 if (test_bit(hlid, &wl->fw_fast_lnk_map) &&
1667 !test_bit(hlid, &wl->ap_fw_ps_map))
1668 thold = status_priv->tx_fast_link_prio_threshold;
1669 else
1670 thold = status_priv->tx_slow_link_prio_threshold;
1671
1672 return lnk->allocated_pkts < thold;
1673 }
1674
1675 static bool wl18xx_lnk_low_prio(struct wl1271 *wl, u8 hlid,
1676 struct wl1271_link *lnk)
1677 {
1678 u8 thold;
1679 struct wl18xx_fw_status_priv *status_priv =
1680 (struct wl18xx_fw_status_priv *)wl->fw_status->priv;
1681 unsigned long suspend_bitmap;
1682
1683 /* if we don't have the link map yet, assume they all low prio */
1684 if (!status_priv)
1685 return true;
1686
1687 suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
1688 if (test_bit(hlid, &suspend_bitmap))
1689 thold = status_priv->tx_suspend_threshold;
1690 else if (test_bit(hlid, &wl->fw_fast_lnk_map) &&
1691 !test_bit(hlid, &wl->ap_fw_ps_map))
1692 thold = status_priv->tx_fast_stop_threshold;
1693 else
1694 thold = status_priv->tx_slow_stop_threshold;
1695
1696 return lnk->allocated_pkts < thold;
1697 }
1698
1699 static u32 wl18xx_convert_hwaddr(struct wl1271 *wl, u32 hwaddr)
1700 {
1701 return hwaddr & ~0x80000000;
1702 }
1703
1704 static int wl18xx_setup(struct wl1271 *wl);
1705
1706 static struct wlcore_ops wl18xx_ops = {
1707 .setup = wl18xx_setup,
1708 .identify_chip = wl18xx_identify_chip,
1709 .boot = wl18xx_boot,
1710 .plt_init = wl18xx_plt_init,
1711 .trigger_cmd = wl18xx_trigger_cmd,
1712 .ack_event = wl18xx_ack_event,
1713 .wait_for_event = wl18xx_wait_for_event,
1714 .process_mailbox_events = wl18xx_process_mailbox_events,
1715 .calc_tx_blocks = wl18xx_calc_tx_blocks,
1716 .set_tx_desc_blocks = wl18xx_set_tx_desc_blocks,
1717 .set_tx_desc_data_len = wl18xx_set_tx_desc_data_len,
1718 .get_rx_buf_align = wl18xx_get_rx_buf_align,
1719 .get_rx_packet_len = wl18xx_get_rx_packet_len,
1720 .tx_immediate_compl = wl18xx_tx_immediate_completion,
1721 .tx_delayed_compl = NULL,
1722 .hw_init = wl18xx_hw_init,
1723 .convert_fw_status = wl18xx_convert_fw_status,
1724 .set_tx_desc_csum = wl18xx_set_tx_desc_csum,
1725 .get_pg_ver = wl18xx_get_pg_ver,
1726 .set_rx_csum = wl18xx_set_rx_csum,
1727 .sta_get_ap_rate_mask = wl18xx_sta_get_ap_rate_mask,
1728 .ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask,
1729 .get_mac = wl18xx_get_mac,
1730 .debugfs_init = wl18xx_debugfs_add_files,
1731 .scan_start = wl18xx_scan_start,
1732 .scan_stop = wl18xx_scan_stop,
1733 .sched_scan_start = wl18xx_sched_scan_start,
1734 .sched_scan_stop = wl18xx_scan_sched_scan_stop,
1735 .handle_static_data = wl18xx_handle_static_data,
1736 .get_spare_blocks = wl18xx_get_spare_blocks,
1737 .set_key = wl18xx_set_key,
1738 .channel_switch = wl18xx_cmd_channel_switch,
1739 .pre_pkt_send = wl18xx_pre_pkt_send,
1740 .sta_rc_update = wl18xx_sta_rc_update,
1741 .set_peer_cap = wl18xx_set_peer_cap,
1742 .convert_hwaddr = wl18xx_convert_hwaddr,
1743 .lnk_high_prio = wl18xx_lnk_high_prio,
1744 .lnk_low_prio = wl18xx_lnk_low_prio,
1745 .smart_config_start = wl18xx_cmd_smart_config_start,
1746 .smart_config_stop = wl18xx_cmd_smart_config_stop,
1747 .smart_config_set_group_key = wl18xx_cmd_smart_config_set_group_key,
1748 .interrupt_notify = wl18xx_acx_interrupt_notify_config,
1749 .rx_ba_filter = wl18xx_acx_rx_ba_filter,
1750 .ap_sleep = wl18xx_acx_ap_sleep,
1751 .set_cac = wl18xx_cmd_set_cac,
1752 .dfs_master_restart = wl18xx_cmd_dfs_master_restart,
1753 };
1754
1755 /* HT cap appropriate for wide channels in 2Ghz */
1756 static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_2ghz = {
1757 .cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
1758 IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_DSSSCCK40 |
1759 IEEE80211_HT_CAP_GRN_FLD,
1760 .ht_supported = true,
1761 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1762 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1763 .mcs = {
1764 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1765 .rx_highest = cpu_to_le16(150),
1766 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1767 },
1768 };
1769
1770 /* HT cap appropriate for wide channels in 5Ghz */
1771 static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_5ghz = {
1772 .cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
1773 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
1774 IEEE80211_HT_CAP_GRN_FLD,
1775 .ht_supported = true,
1776 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1777 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1778 .mcs = {
1779 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1780 .rx_highest = cpu_to_le16(150),
1781 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1782 },
1783 };
1784
1785 /* HT cap appropriate for SISO 20 */
1786 static struct ieee80211_sta_ht_cap wl18xx_siso20_ht_cap = {
1787 .cap = IEEE80211_HT_CAP_SGI_20 |
1788 IEEE80211_HT_CAP_GRN_FLD,
1789 .ht_supported = true,
1790 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1791 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1792 .mcs = {
1793 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1794 .rx_highest = cpu_to_le16(72),
1795 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1796 },
1797 };
1798
1799 /* HT cap appropriate for MIMO rates in 20mhz channel */
1800 static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap_2ghz = {
1801 .cap = IEEE80211_HT_CAP_SGI_20 |
1802 IEEE80211_HT_CAP_GRN_FLD,
1803 .ht_supported = true,
1804 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1805 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1806 .mcs = {
1807 .rx_mask = { 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, },
1808 .rx_highest = cpu_to_le16(144),
1809 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1810 },
1811 };
1812
1813 static const struct ieee80211_iface_limit wl18xx_iface_limits[] = {
1814 {
1815 .max = 2,
1816 .types = BIT(NL80211_IFTYPE_STATION),
1817 },
1818 {
1819 .max = 1,
1820 .types = BIT(NL80211_IFTYPE_AP)
1821 | BIT(NL80211_IFTYPE_P2P_GO)
1822 | BIT(NL80211_IFTYPE_P2P_CLIENT)
1823 #ifdef CONFIG_MAC80211_MESH
1824 | BIT(NL80211_IFTYPE_MESH_POINT)
1825 #endif
1826 },
1827 {
1828 .max = 1,
1829 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
1830 },
1831 };
1832
1833 static const struct ieee80211_iface_limit wl18xx_iface_ap_limits[] = {
1834 {
1835 .max = 2,
1836 .types = BIT(NL80211_IFTYPE_AP),
1837 },
1838 #ifdef CONFIG_MAC80211_MESH
1839 {
1840 .max = 1,
1841 .types = BIT(NL80211_IFTYPE_MESH_POINT),
1842 },
1843 #endif
1844 {
1845 .max = 1,
1846 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
1847 },
1848 };
1849
1850 static const struct ieee80211_iface_combination
1851 wl18xx_iface_combinations[] = {
1852 {
1853 .max_interfaces = 3,
1854 .limits = wl18xx_iface_limits,
1855 .n_limits = ARRAY_SIZE(wl18xx_iface_limits),
1856 .num_different_channels = 2,
1857 },
1858 {
1859 .max_interfaces = 2,
1860 .limits = wl18xx_iface_ap_limits,
1861 .n_limits = ARRAY_SIZE(wl18xx_iface_ap_limits),
1862 .num_different_channels = 1,
1863 .radar_detect_widths = BIT(NL80211_CHAN_NO_HT) |
1864 BIT(NL80211_CHAN_HT20) |
1865 BIT(NL80211_CHAN_HT40MINUS) |
1866 BIT(NL80211_CHAN_HT40PLUS),
1867 }
1868 };
1869
1870 static int wl18xx_setup(struct wl1271 *wl)
1871 {
1872 struct wl18xx_priv *priv = wl->priv;
1873 int ret;
1874
1875 BUILD_BUG_ON(WL18XX_MAX_LINKS > WLCORE_MAX_LINKS);
1876 BUILD_BUG_ON(WL18XX_MAX_AP_STATIONS > WL18XX_MAX_LINKS);
1877 BUILD_BUG_ON(WL18XX_CONF_SG_PARAMS_MAX > WLCORE_CONF_SG_PARAMS_MAX);
1878
1879 wl->rtable = wl18xx_rtable;
1880 wl->num_tx_desc = WL18XX_NUM_TX_DESCRIPTORS;
1881 wl->num_rx_desc = WL18XX_NUM_RX_DESCRIPTORS;
1882 wl->num_links = WL18XX_MAX_LINKS;
1883 wl->max_ap_stations = WL18XX_MAX_AP_STATIONS;
1884 wl->iface_combinations = wl18xx_iface_combinations;
1885 wl->n_iface_combinations = ARRAY_SIZE(wl18xx_iface_combinations);
1886 wl->num_mac_addr = WL18XX_NUM_MAC_ADDRESSES;
1887 wl->band_rate_to_idx = wl18xx_band_rate_to_idx;
1888 wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX;
1889 wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0;
1890 wl->fw_status_len = sizeof(struct wl18xx_fw_status);
1891 wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv);
1892 wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics);
1893 wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv);
1894
1895 if (num_rx_desc_param != -1)
1896 wl->num_rx_desc = num_rx_desc_param;
1897
1898 ret = wl18xx_conf_init(wl, wl->dev);
1899 if (ret < 0)
1900 return ret;
1901
1902 /* If the module param is set, update it in conf */
1903 if (board_type_param) {
1904 if (!strcmp(board_type_param, "fpga")) {
1905 priv->conf.phy.board_type = BOARD_TYPE_FPGA_18XX;
1906 } else if (!strcmp(board_type_param, "hdk")) {
1907 priv->conf.phy.board_type = BOARD_TYPE_HDK_18XX;
1908 } else if (!strcmp(board_type_param, "dvp")) {
1909 priv->conf.phy.board_type = BOARD_TYPE_DVP_18XX;
1910 } else if (!strcmp(board_type_param, "evb")) {
1911 priv->conf.phy.board_type = BOARD_TYPE_EVB_18XX;
1912 } else if (!strcmp(board_type_param, "com8")) {
1913 priv->conf.phy.board_type = BOARD_TYPE_COM8_18XX;
1914 } else {
1915 wl1271_error("invalid board type '%s'",
1916 board_type_param);
1917 return -EINVAL;
1918 }
1919 }
1920
1921 if (priv->conf.phy.board_type >= NUM_BOARD_TYPES) {
1922 wl1271_error("invalid board type '%d'",
1923 priv->conf.phy.board_type);
1924 return -EINVAL;
1925 }
1926
1927 if (low_band_component_param != -1)
1928 priv->conf.phy.low_band_component = low_band_component_param;
1929 if (low_band_component_type_param != -1)
1930 priv->conf.phy.low_band_component_type =
1931 low_band_component_type_param;
1932 if (high_band_component_param != -1)
1933 priv->conf.phy.high_band_component = high_band_component_param;
1934 if (high_band_component_type_param != -1)
1935 priv->conf.phy.high_band_component_type =
1936 high_band_component_type_param;
1937 if (pwr_limit_reference_11_abg_param != -1)
1938 priv->conf.phy.pwr_limit_reference_11_abg =
1939 pwr_limit_reference_11_abg_param;
1940 if (n_antennas_2_param != -1)
1941 priv->conf.phy.number_of_assembled_ant2_4 = n_antennas_2_param;
1942 if (n_antennas_5_param != -1)
1943 priv->conf.phy.number_of_assembled_ant5 = n_antennas_5_param;
1944 if (dc2dc_param != -1)
1945 priv->conf.phy.external_pa_dc2dc = dc2dc_param;
1946
1947 if (ht_mode_param) {
1948 if (!strcmp(ht_mode_param, "default"))
1949 priv->conf.ht.mode = HT_MODE_DEFAULT;
1950 else if (!strcmp(ht_mode_param, "wide"))
1951 priv->conf.ht.mode = HT_MODE_WIDE;
1952 else if (!strcmp(ht_mode_param, "siso20"))
1953 priv->conf.ht.mode = HT_MODE_SISO20;
1954 else {
1955 wl1271_error("invalid ht_mode '%s'", ht_mode_param);
1956 return -EINVAL;
1957 }
1958 }
1959
1960 if (priv->conf.ht.mode == HT_MODE_DEFAULT) {
1961 /*
1962 * Only support mimo with multiple antennas. Fall back to
1963 * siso40.
1964 */
1965 if (wl18xx_is_mimo_supported(wl))
1966 wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
1967 &wl18xx_mimo_ht_cap_2ghz);
1968 else
1969 wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
1970 &wl18xx_siso40_ht_cap_2ghz);
1971
1972 /* 5Ghz is always wide */
1973 wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ,
1974 &wl18xx_siso40_ht_cap_5ghz);
1975 } else if (priv->conf.ht.mode == HT_MODE_WIDE) {
1976 wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
1977 &wl18xx_siso40_ht_cap_2ghz);
1978 wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ,
1979 &wl18xx_siso40_ht_cap_5ghz);
1980 } else if (priv->conf.ht.mode == HT_MODE_SISO20) {
1981 wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
1982 &wl18xx_siso20_ht_cap);
1983 wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ,
1984 &wl18xx_siso20_ht_cap);
1985 }
1986
1987 if (!checksum_param) {
1988 wl18xx_ops.set_rx_csum = NULL;
1989 wl18xx_ops.init_vif = NULL;
1990 }
1991
1992 /* Enable 11a Band only if we have 5G antennas */
1993 wl->enable_11a = (priv->conf.phy.number_of_assembled_ant5 != 0);
1994
1995 return 0;
1996 }
1997
1998 static int wl18xx_probe(struct platform_device *pdev)
1999 {
2000 struct wl1271 *wl;
2001 struct ieee80211_hw *hw;
2002 int ret;
2003
2004 hw = wlcore_alloc_hw(sizeof(struct wl18xx_priv),
2005 WL18XX_AGGR_BUFFER_SIZE,
2006 sizeof(struct wl18xx_event_mailbox));
2007 if (IS_ERR(hw)) {
2008 wl1271_error("can't allocate hw");
2009 ret = PTR_ERR(hw);
2010 goto out;
2011 }
2012
2013 wl = hw->priv;
2014 wl->ops = &wl18xx_ops;
2015 wl->ptable = wl18xx_ptable;
2016 ret = wlcore_probe(wl, pdev);
2017 if (ret)
2018 goto out_free;
2019
2020 return ret;
2021
2022 out_free:
2023 wlcore_free_hw(wl);
2024 out:
2025 return ret;
2026 }
2027
2028 static const struct platform_device_id wl18xx_id_table[] = {
2029 { "wl18xx", 0 },
2030 { } /* Terminating Entry */
2031 };
2032 MODULE_DEVICE_TABLE(platform, wl18xx_id_table);
2033
2034 static struct platform_driver wl18xx_driver = {
2035 .probe = wl18xx_probe,
2036 .remove = wlcore_remove,
2037 .id_table = wl18xx_id_table,
2038 .driver = {
2039 .name = "wl18xx_driver",
2040 }
2041 };
2042
2043 module_platform_driver(wl18xx_driver);
2044 module_param_named(ht_mode, ht_mode_param, charp, 0400);
2045 MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or siso20");
2046
2047 module_param_named(board_type, board_type_param, charp, 0400);
2048 MODULE_PARM_DESC(board_type, "Board type: fpga, hdk (default), evb, com8 or "
2049 "dvp");
2050
2051 module_param_named(checksum, checksum_param, bool, 0400);
2052 MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to false)");
2053
2054 module_param_named(dc2dc, dc2dc_param, int, 0400);
2055 MODULE_PARM_DESC(dc2dc, "External DC2DC: u8 (defaults to 0)");
2056
2057 module_param_named(n_antennas_2, n_antennas_2_param, int, 0400);
2058 MODULE_PARM_DESC(n_antennas_2,
2059 "Number of installed 2.4GHz antennas: 1 (default) or 2");
2060
2061 module_param_named(n_antennas_5, n_antennas_5_param, int, 0400);
2062 MODULE_PARM_DESC(n_antennas_5,
2063 "Number of installed 5GHz antennas: 1 (default) or 2");
2064
2065 module_param_named(low_band_component, low_band_component_param, int, 0400);
2066 MODULE_PARM_DESC(low_band_component, "Low band component: u8 "
2067 "(default is 0x01)");
2068
2069 module_param_named(low_band_component_type, low_band_component_type_param,
2070 int, 0400);
2071 MODULE_PARM_DESC(low_band_component_type, "Low band component type: u8 "
2072 "(default is 0x05 or 0x06 depending on the board_type)");
2073
2074 module_param_named(high_band_component, high_band_component_param, int, 0400);
2075 MODULE_PARM_DESC(high_band_component, "High band component: u8, "
2076 "(default is 0x01)");
2077
2078 module_param_named(high_band_component_type, high_band_component_type_param,
2079 int, 0400);
2080 MODULE_PARM_DESC(high_band_component_type, "High band component type: u8 "
2081 "(default is 0x09)");
2082
2083 module_param_named(pwr_limit_reference_11_abg,
2084 pwr_limit_reference_11_abg_param, int, 0400);
2085 MODULE_PARM_DESC(pwr_limit_reference_11_abg, "Power limit reference: u8 "
2086 "(default is 0xc8)");
2087
2088 module_param_named(num_rx_desc, num_rx_desc_param, int, 0400);
2089 MODULE_PARM_DESC(num_rx_desc_param,
2090 "Number of Rx descriptors: u8 (default is 32)");
2091
2092 MODULE_LICENSE("GPL v2");
2093 MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
2094 MODULE_FIRMWARE(WL18XX_FW_NAME);
Linux with added FPC-III support