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
wl127x_prepare_read(struct wl1271 * wl,u32 rx_desc,u32 len)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
wl12xx_identify_chip(struct wl1271 * wl)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_AP_ZERO_SESSION_ID;
639 wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
640 wl->mr_fw_name = WL127X_FW_NAME_MULTI;
641 memcpy(&wl->conf.mem, &wl12xx_default_priv_conf.mem_wl127x,
642 sizeof(wl->conf.mem));
643
644 /* read data preparation is only needed by wl127x */
645 wl->ops->prepare_read = wl127x_prepare_read;
646
647 wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER,
648 WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER,
649 WL127X_SUBTYPE_SR_VER, WL127X_MINOR_SR_VER,
650 WL127X_IFTYPE_MR_VER, WL127X_MAJOR_MR_VER,
651 WL127X_SUBTYPE_MR_VER, WL127X_MINOR_MR_VER);
652 break;
653
654 case CHIP_ID_127X_PG20:
655 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
656 wl->chip.id);
657
658 wl->quirks |= WLCORE_QUIRK_LEGACY_NVS |
659 WLCORE_QUIRK_DUAL_PROBE_TMPL |
660 WLCORE_QUIRK_TKIP_HEADER_SPACE |
661 WLCORE_QUIRK_AP_ZERO_SESSION_ID;
662 wl->plt_fw_name = WL127X_PLT_FW_NAME;
663 wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
664 wl->mr_fw_name = WL127X_FW_NAME_MULTI;
665 memcpy(&wl->conf.mem, &wl12xx_default_priv_conf.mem_wl127x,
666 sizeof(wl->conf.mem));
667
668 /* read data preparation is only needed by wl127x */
669 wl->ops->prepare_read = wl127x_prepare_read;
670
671 wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER,
672 WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER,
673 WL127X_SUBTYPE_SR_VER, WL127X_MINOR_SR_VER,
674 WL127X_IFTYPE_MR_VER, WL127X_MAJOR_MR_VER,
675 WL127X_SUBTYPE_MR_VER, WL127X_MINOR_MR_VER);
676 break;
677
678 case CHIP_ID_128X_PG20:
679 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)",
680 wl->chip.id);
681 wl->plt_fw_name = WL128X_PLT_FW_NAME;
682 wl->sr_fw_name = WL128X_FW_NAME_SINGLE;
683 wl->mr_fw_name = WL128X_FW_NAME_MULTI;
684
685 /* wl128x requires TX blocksize alignment */
686 wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN |
687 WLCORE_QUIRK_DUAL_PROBE_TMPL |
688 WLCORE_QUIRK_TKIP_HEADER_SPACE |
689 WLCORE_QUIRK_AP_ZERO_SESSION_ID;
690
691 wlcore_set_min_fw_ver(wl, WL128X_CHIP_VER,
692 WL128X_IFTYPE_SR_VER, WL128X_MAJOR_SR_VER,
693 WL128X_SUBTYPE_SR_VER, WL128X_MINOR_SR_VER,
694 WL128X_IFTYPE_MR_VER, WL128X_MAJOR_MR_VER,
695 WL128X_SUBTYPE_MR_VER, WL128X_MINOR_MR_VER);
696 break;
697 case CHIP_ID_128X_PG10:
698 default:
699 wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
700 ret = -ENODEV;
701 goto out;
702 }
703
704 wl->fw_mem_block_size = 256;
705 wl->fwlog_end = 0x2000000;
706
707 /* common settings */
708 wl->scan_templ_id_2_4 = CMD_TEMPL_APP_PROBE_REQ_2_4_LEGACY;
709 wl->scan_templ_id_5 = CMD_TEMPL_APP_PROBE_REQ_5_LEGACY;
710 wl->sched_scan_templ_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4;
711 wl->sched_scan_templ_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5;
712 wl->max_channels_5 = WL12XX_MAX_CHANNELS_5GHZ;
713 wl->ba_rx_session_count_max = WL12XX_RX_BA_MAX_SESSIONS;
714 out:
715 return ret;
716 }
717
wl12xx_top_reg_write(struct wl1271 * wl,int addr,u16 val)718 static int __must_check wl12xx_top_reg_write(struct wl1271 *wl, int addr,
719 u16 val)
720 {
721 int ret;
722
723 /* write address >> 1 + 0x30000 to OCP_POR_CTR */
724 addr = (addr >> 1) + 0x30000;
725 ret = wlcore_write32(wl, WL12XX_OCP_POR_CTR, addr);
726 if (ret < 0)
727 goto out;
728
729 /* write value to OCP_POR_WDATA */
730 ret = wlcore_write32(wl, WL12XX_OCP_DATA_WRITE, val);
731 if (ret < 0)
732 goto out;
733
734 /* write 1 to OCP_CMD */
735 ret = wlcore_write32(wl, WL12XX_OCP_CMD, OCP_CMD_WRITE);
736 if (ret < 0)
737 goto out;
738
739 out:
740 return ret;
741 }
742
wl12xx_top_reg_read(struct wl1271 * wl,int addr,u16 * out)743 static int __must_check wl12xx_top_reg_read(struct wl1271 *wl, int addr,
744 u16 *out)
745 {
746 u32 val;
747 int timeout = OCP_CMD_LOOP;
748 int ret;
749
750 /* write address >> 1 + 0x30000 to OCP_POR_CTR */
751 addr = (addr >> 1) + 0x30000;
752 ret = wlcore_write32(wl, WL12XX_OCP_POR_CTR, addr);
753 if (ret < 0)
754 return ret;
755
756 /* write 2 to OCP_CMD */
757 ret = wlcore_write32(wl, WL12XX_OCP_CMD, OCP_CMD_READ);
758 if (ret < 0)
759 return ret;
760
761 /* poll for data ready */
762 do {
763 ret = wlcore_read32(wl, WL12XX_OCP_DATA_READ, &val);
764 if (ret < 0)
765 return ret;
766 } while (!(val & OCP_READY_MASK) && --timeout);
767
768 if (!timeout) {
769 wl1271_warning("Top register access timed out.");
770 return -ETIMEDOUT;
771 }
772
773 /* check data status and return if OK */
774 if ((val & OCP_STATUS_MASK) != OCP_STATUS_OK) {
775 wl1271_warning("Top register access returned error.");
776 return -EIO;
777 }
778
779 if (out)
780 *out = val & 0xffff;
781
782 return 0;
783 }
784
wl128x_switch_tcxo_to_fref(struct wl1271 * wl)785 static int wl128x_switch_tcxo_to_fref(struct wl1271 *wl)
786 {
787 u16 spare_reg;
788 int ret;
789
790 /* Mask bits [2] & [8:4] in the sys_clk_cfg register */
791 ret = wl12xx_top_reg_read(wl, WL_SPARE_REG, &spare_reg);
792 if (ret < 0)
793 return ret;
794
795 if (spare_reg == 0xFFFF)
796 return -EFAULT;
797 spare_reg |= (BIT(3) | BIT(5) | BIT(6));
798 ret = wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg);
799 if (ret < 0)
800 return ret;
801
802 /* Enable FREF_CLK_REQ & mux MCS and coex PLLs to FREF */
803 ret = wl12xx_top_reg_write(wl, SYS_CLK_CFG_REG,
804 WL_CLK_REQ_TYPE_PG2 | MCS_PLL_CLK_SEL_FREF);
805 if (ret < 0)
806 return ret;
807
808 /* Delay execution for 15msec, to let the HW settle */
809 mdelay(15);
810
811 return 0;
812 }
813
wl128x_is_tcxo_valid(struct wl1271 * wl)814 static bool wl128x_is_tcxo_valid(struct wl1271 *wl)
815 {
816 u16 tcxo_detection;
817 int ret;
818
819 ret = wl12xx_top_reg_read(wl, TCXO_CLK_DETECT_REG, &tcxo_detection);
820 if (ret < 0)
821 return false;
822
823 if (tcxo_detection & TCXO_DET_FAILED)
824 return false;
825
826 return true;
827 }
828
wl128x_is_fref_valid(struct wl1271 * wl)829 static bool wl128x_is_fref_valid(struct wl1271 *wl)
830 {
831 u16 fref_detection;
832 int ret;
833
834 ret = wl12xx_top_reg_read(wl, FREF_CLK_DETECT_REG, &fref_detection);
835 if (ret < 0)
836 return false;
837
838 if (fref_detection & FREF_CLK_DETECT_FAIL)
839 return false;
840
841 return true;
842 }
843
wl128x_manually_configure_mcs_pll(struct wl1271 * wl)844 static int wl128x_manually_configure_mcs_pll(struct wl1271 *wl)
845 {
846 int ret;
847
848 ret = wl12xx_top_reg_write(wl, MCS_PLL_M_REG, MCS_PLL_M_REG_VAL);
849 if (ret < 0)
850 goto out;
851
852 ret = wl12xx_top_reg_write(wl, MCS_PLL_N_REG, MCS_PLL_N_REG_VAL);
853 if (ret < 0)
854 goto out;
855
856 ret = wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG,
857 MCS_PLL_CONFIG_REG_VAL);
858
859 out:
860 return ret;
861 }
862
wl128x_configure_mcs_pll(struct wl1271 * wl,int clk)863 static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk)
864 {
865 u16 spare_reg;
866 u16 pll_config;
867 u8 input_freq;
868 struct wl12xx_priv *priv = wl->priv;
869 int ret;
870
871 /* Mask bits [3:1] in the sys_clk_cfg register */
872 ret = wl12xx_top_reg_read(wl, WL_SPARE_REG, &spare_reg);
873 if (ret < 0)
874 return ret;
875
876 if (spare_reg == 0xFFFF)
877 return -EFAULT;
878 spare_reg |= BIT(2);
879 ret = wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg);
880 if (ret < 0)
881 return ret;
882
883 /* Handle special cases of the TCXO clock */
884 if (priv->tcxo_clock == WL12XX_TCXOCLOCK_16_8 ||
885 priv->tcxo_clock == WL12XX_TCXOCLOCK_33_6)
886 return wl128x_manually_configure_mcs_pll(wl);
887
888 /* Set the input frequency according to the selected clock source */
889 input_freq = (clk & 1) + 1;
890
891 ret = wl12xx_top_reg_read(wl, MCS_PLL_CONFIG_REG, &pll_config);
892 if (ret < 0)
893 return ret;
894
895 if (pll_config == 0xFFFF)
896 return -EFAULT;
897 pll_config |= (input_freq << MCS_SEL_IN_FREQ_SHIFT);
898 pll_config |= MCS_PLL_ENABLE_HP;
899 ret = wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, pll_config);
900
901 return ret;
902 }
903
904 /*
905 * WL128x has two clocks input - TCXO and FREF.
906 * TCXO is the main clock of the device, while FREF is used to sync
907 * between the GPS and the cellular modem.
908 * In cases where TCXO is 32.736MHz or 16.368MHz, the FREF will be used
909 * as the WLAN/BT main clock.
910 */
wl128x_boot_clk(struct wl1271 * wl,int * selected_clock)911 static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock)
912 {
913 struct wl12xx_priv *priv = wl->priv;
914 u16 sys_clk_cfg;
915 int ret;
916
917 /* For XTAL-only modes, FREF will be used after switching from TCXO */
918 if (priv->ref_clock == WL12XX_REFCLOCK_26_XTAL ||
919 priv->ref_clock == WL12XX_REFCLOCK_38_XTAL) {
920 if (!wl128x_switch_tcxo_to_fref(wl))
921 return -EINVAL;
922 goto fref_clk;
923 }
924
925 /* Query the HW, to determine which clock source we should use */
926 ret = wl12xx_top_reg_read(wl, SYS_CLK_CFG_REG, &sys_clk_cfg);
927 if (ret < 0)
928 return ret;
929
930 if (sys_clk_cfg == 0xFFFF)
931 return -EINVAL;
932 if (sys_clk_cfg & PRCM_CM_EN_MUX_WLAN_FREF)
933 goto fref_clk;
934
935 /* If TCXO is either 32.736MHz or 16.368MHz, switch to FREF */
936 if (priv->tcxo_clock == WL12XX_TCXOCLOCK_16_368 ||
937 priv->tcxo_clock == WL12XX_TCXOCLOCK_32_736) {
938 if (!wl128x_switch_tcxo_to_fref(wl))
939 return -EINVAL;
940 goto fref_clk;
941 }
942
943 /* TCXO clock is selected */
944 if (!wl128x_is_tcxo_valid(wl))
945 return -EINVAL;
946 *selected_clock = priv->tcxo_clock;
947 goto config_mcs_pll;
948
949 fref_clk:
950 /* FREF clock is selected */
951 if (!wl128x_is_fref_valid(wl))
952 return -EINVAL;
953 *selected_clock = priv->ref_clock;
954
955 config_mcs_pll:
956 return wl128x_configure_mcs_pll(wl, *selected_clock);
957 }
958
wl127x_boot_clk(struct wl1271 * wl)959 static int wl127x_boot_clk(struct wl1271 *wl)
960 {
961 struct wl12xx_priv *priv = wl->priv;
962 u32 pause;
963 u32 clk;
964 int ret;
965
966 if (WL127X_PG_GET_MAJOR(wl->hw_pg_ver) < 3)
967 wl->quirks |= WLCORE_QUIRK_END_OF_TRANSACTION;
968
969 if (priv->ref_clock == CONF_REF_CLK_19_2_E ||
970 priv->ref_clock == CONF_REF_CLK_38_4_E ||
971 priv->ref_clock == CONF_REF_CLK_38_4_M_XTAL)
972 /* ref clk: 19.2/38.4/38.4-XTAL */
973 clk = 0x3;
974 else if (priv->ref_clock == CONF_REF_CLK_26_E ||
975 priv->ref_clock == CONF_REF_CLK_26_M_XTAL ||
976 priv->ref_clock == CONF_REF_CLK_52_E)
977 /* ref clk: 26/52 */
978 clk = 0x5;
979 else
980 return -EINVAL;
981
982 if (priv->ref_clock != CONF_REF_CLK_19_2_E) {
983 u16 val;
984 /* Set clock type (open drain) */
985 ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_TYPE, &val);
986 if (ret < 0)
987 goto out;
988
989 val &= FREF_CLK_TYPE_BITS;
990 ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_TYPE, val);
991 if (ret < 0)
992 goto out;
993
994 /* Set clock pull mode (no pull) */
995 ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_PULL, &val);
996 if (ret < 0)
997 goto out;
998
999 val |= NO_PULL;
1000 ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_PULL, val);
1001 if (ret < 0)
1002 goto out;
1003 } else {
1004 u16 val;
1005 /* Set clock polarity */
1006 ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_POLARITY, &val);
1007 if (ret < 0)
1008 goto out;
1009
1010 val &= FREF_CLK_POLARITY_BITS;
1011 val |= CLK_REQ_OUTN_SEL;
1012 ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_POLARITY, val);
1013 if (ret < 0)
1014 goto out;
1015 }
1016
1017 ret = wlcore_write32(wl, WL12XX_PLL_PARAMETERS, clk);
1018 if (ret < 0)
1019 goto out;
1020
1021 ret = wlcore_read32(wl, WL12XX_PLL_PARAMETERS, &pause);
1022 if (ret < 0)
1023 goto out;
1024
1025 wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause);
1026
1027 pause &= ~(WU_COUNTER_PAUSE_VAL);
1028 pause |= WU_COUNTER_PAUSE_VAL;
1029 ret = wlcore_write32(wl, WL12XX_WU_COUNTER_PAUSE, pause);
1030
1031 out:
1032 return ret;
1033 }
1034
wl1271_boot_soft_reset(struct wl1271 * wl)1035 static int wl1271_boot_soft_reset(struct wl1271 *wl)
1036 {
1037 unsigned long timeout;
1038 u32 boot_data;
1039 int ret = 0;
1040
1041 /* perform soft reset */
1042 ret = wlcore_write32(wl, WL12XX_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT);
1043 if (ret < 0)
1044 goto out;
1045
1046 /* SOFT_RESET is self clearing */
1047 timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME);
1048 while (1) {
1049 ret = wlcore_read32(wl, WL12XX_SLV_SOFT_RESET, &boot_data);
1050 if (ret < 0)
1051 goto out;
1052
1053 wl1271_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data);
1054 if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0)
1055 break;
1056
1057 if (time_after(jiffies, timeout)) {
1058 /* 1.2 check pWhalBus->uSelfClearTime if the
1059 * timeout was reached */
1060 wl1271_error("soft reset timeout");
1061 return -1;
1062 }
1063
1064 udelay(SOFT_RESET_STALL_TIME);
1065 }
1066
1067 /* disable Rx/Tx */
1068 ret = wlcore_write32(wl, WL12XX_ENABLE, 0x0);
1069 if (ret < 0)
1070 goto out;
1071
1072 /* disable auto calibration on start*/
1073 ret = wlcore_write32(wl, WL12XX_SPARE_A2, 0xffff);
1074
1075 out:
1076 return ret;
1077 }
1078
wl12xx_pre_boot(struct wl1271 * wl)1079 static int wl12xx_pre_boot(struct wl1271 *wl)
1080 {
1081 struct wl12xx_priv *priv = wl->priv;
1082 int ret = 0;
1083 u32 clk;
1084 int selected_clock = -1;
1085
1086 if (wl->chip.id == CHIP_ID_128X_PG20) {
1087 ret = wl128x_boot_clk(wl, &selected_clock);
1088 if (ret < 0)
1089 goto out;
1090 } else {
1091 ret = wl127x_boot_clk(wl);
1092 if (ret < 0)
1093 goto out;
1094 }
1095
1096 /* Continue the ELP wake up sequence */
1097 ret = wlcore_write32(wl, WL12XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
1098 if (ret < 0)
1099 goto out;
1100
1101 udelay(500);
1102
1103 ret = wlcore_set_partition(wl, &wl->ptable[PART_DRPW]);
1104 if (ret < 0)
1105 goto out;
1106
1107 /* Read-modify-write DRPW_SCRATCH_START register (see next state)
1108 to be used by DRPw FW. The RTRIM value will be added by the FW
1109 before taking DRPw out of reset */
1110
1111 ret = wlcore_read32(wl, WL12XX_DRPW_SCRATCH_START, &clk);
1112 if (ret < 0)
1113 goto out;
1114
1115 wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk);
1116
1117 if (wl->chip.id == CHIP_ID_128X_PG20)
1118 clk |= ((selected_clock & 0x3) << 1) << 4;
1119 else
1120 clk |= (priv->ref_clock << 1) << 4;
1121
1122 ret = wlcore_write32(wl, WL12XX_DRPW_SCRATCH_START, clk);
1123 if (ret < 0)
1124 goto out;
1125
1126 ret = wlcore_set_partition(wl, &wl->ptable[PART_WORK]);
1127 if (ret < 0)
1128 goto out;
1129
1130 /* Disable interrupts */
1131 ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
1132 if (ret < 0)
1133 goto out;
1134
1135 ret = wl1271_boot_soft_reset(wl);
1136 if (ret < 0)
1137 goto out;
1138
1139 out:
1140 return ret;
1141 }
1142
wl12xx_pre_upload(struct wl1271 * wl)1143 static int wl12xx_pre_upload(struct wl1271 *wl)
1144 {
1145 u32 tmp;
1146 u16 polarity;
1147 int ret;
1148
1149 /* write firmware's last address (ie. it's length) to
1150 * ACX_EEPROMLESS_IND_REG */
1151 wl1271_debug(DEBUG_BOOT, "ACX_EEPROMLESS_IND_REG");
1152
1153 ret = wlcore_write32(wl, WL12XX_EEPROMLESS_IND, WL12XX_EEPROMLESS_IND);
1154 if (ret < 0)
1155 goto out;
1156
1157 ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &tmp);
1158 if (ret < 0)
1159 goto out;
1160
1161 wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
1162
1163 /* 6. read the EEPROM parameters */
1164 ret = wlcore_read32(wl, WL12XX_SCR_PAD2, &tmp);
1165 if (ret < 0)
1166 goto out;
1167
1168 /* WL1271: The reference driver skips steps 7 to 10 (jumps directly
1169 * to upload_fw) */
1170
1171 if (wl->chip.id == CHIP_ID_128X_PG20) {
1172 ret = wl12xx_top_reg_write(wl, SDIO_IO_DS, HCI_IO_DS_6MA);
1173 if (ret < 0)
1174 goto out;
1175 }
1176
1177 /* polarity must be set before the firmware is loaded */
1178 ret = wl12xx_top_reg_read(wl, OCP_REG_POLARITY, &polarity);
1179 if (ret < 0)
1180 goto out;
1181
1182 /* We use HIGH polarity, so unset the LOW bit */
1183 polarity &= ~POLARITY_LOW;
1184 ret = wl12xx_top_reg_write(wl, OCP_REG_POLARITY, polarity);
1185
1186 out:
1187 return ret;
1188 }
1189
wl12xx_enable_interrupts(struct wl1271 * wl)1190 static int wl12xx_enable_interrupts(struct wl1271 *wl)
1191 {
1192 int ret;
1193
1194 ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK,
1195 WL12XX_ACX_ALL_EVENTS_VECTOR);
1196 if (ret < 0)
1197 goto out;
1198
1199 wlcore_enable_interrupts(wl);
1200 ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK,
1201 WL1271_ACX_INTR_ALL & ~(WL12XX_INTR_MASK));
1202 if (ret < 0)
1203 goto disable_interrupts;
1204
1205 ret = wlcore_write32(wl, WL12XX_HI_CFG, HI_CFG_DEF_VAL);
1206 if (ret < 0)
1207 goto disable_interrupts;
1208
1209 return ret;
1210
1211 disable_interrupts:
1212 wlcore_disable_interrupts(wl);
1213
1214 out:
1215 return ret;
1216 }
1217
wl12xx_boot(struct wl1271 * wl)1218 static int wl12xx_boot(struct wl1271 *wl)
1219 {
1220 int ret;
1221
1222 ret = wl12xx_pre_boot(wl);
1223 if (ret < 0)
1224 goto out;
1225
1226 ret = wlcore_boot_upload_nvs(wl);
1227 if (ret < 0)
1228 goto out;
1229
1230 ret = wl12xx_pre_upload(wl);
1231 if (ret < 0)
1232 goto out;
1233
1234 ret = wlcore_boot_upload_firmware(wl);
1235 if (ret < 0)
1236 goto out;
1237
1238 wl->event_mask = BSS_LOSE_EVENT_ID |
1239 REGAINED_BSS_EVENT_ID |
1240 SCAN_COMPLETE_EVENT_ID |
1241 ROLE_STOP_COMPLETE_EVENT_ID |
1242 RSSI_SNR_TRIGGER_0_EVENT_ID |
1243 PSPOLL_DELIVERY_FAILURE_EVENT_ID |
1244 SOFT_GEMINI_SENSE_EVENT_ID |
1245 PERIODIC_SCAN_REPORT_EVENT_ID |
1246 PERIODIC_SCAN_COMPLETE_EVENT_ID |
1247 DUMMY_PACKET_EVENT_ID |
1248 PEER_REMOVE_COMPLETE_EVENT_ID |
1249 BA_SESSION_RX_CONSTRAINT_EVENT_ID |
1250 REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID |
1251 INACTIVE_STA_EVENT_ID |
1252 CHANNEL_SWITCH_COMPLETE_EVENT_ID;
1253
1254 wl->ap_event_mask = MAX_TX_RETRY_EVENT_ID;
1255
1256 ret = wlcore_boot_run_firmware(wl);
1257 if (ret < 0)
1258 goto out;
1259
1260 ret = wl12xx_enable_interrupts(wl);
1261
1262 out:
1263 return ret;
1264 }
1265
wl12xx_trigger_cmd(struct wl1271 * wl,int cmd_box_addr,void * buf,size_t len)1266 static int wl12xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr,
1267 void *buf, size_t len)
1268 {
1269 int ret;
1270
1271 ret = wlcore_write(wl, cmd_box_addr, buf, len, false);
1272 if (ret < 0)
1273 return ret;
1274
1275 ret = wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_CMD);
1276
1277 return ret;
1278 }
1279
wl12xx_ack_event(struct wl1271 * wl)1280 static int wl12xx_ack_event(struct wl1271 *wl)
1281 {
1282 return wlcore_write_reg(wl, REG_INTERRUPT_TRIG,
1283 WL12XX_INTR_TRIG_EVENT_ACK);
1284 }
1285
wl12xx_calc_tx_blocks(struct wl1271 * wl,u32 len,u32 spare_blks)1286 static u32 wl12xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks)
1287 {
1288 u32 blk_size = WL12XX_TX_HW_BLOCK_SIZE;
1289 u32 align_len = wlcore_calc_packet_alignment(wl, len);
1290
1291 return (align_len + blk_size - 1) / blk_size + spare_blks;
1292 }
1293
1294 static void
wl12xx_set_tx_desc_blocks(struct wl1271 * wl,struct wl1271_tx_hw_descr * desc,u32 blks,u32 spare_blks)1295 wl12xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1296 u32 blks, u32 spare_blks)
1297 {
1298 if (wl->chip.id == CHIP_ID_128X_PG20) {
1299 desc->wl128x_mem.total_mem_blocks = blks;
1300 } else {
1301 desc->wl127x_mem.extra_blocks = spare_blks;
1302 desc->wl127x_mem.total_mem_blocks = blks;
1303 }
1304 }
1305
1306 static void
wl12xx_set_tx_desc_data_len(struct wl1271 * wl,struct wl1271_tx_hw_descr * desc,struct sk_buff * skb)1307 wl12xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1308 struct sk_buff *skb)
1309 {
1310 u32 aligned_len = wlcore_calc_packet_alignment(wl, skb->len);
1311
1312 if (wl->chip.id == CHIP_ID_128X_PG20) {
1313 desc->wl128x_mem.extra_bytes = aligned_len - skb->len;
1314 desc->length = cpu_to_le16(aligned_len >> 2);
1315
1316 wl1271_debug(DEBUG_TX,
1317 "tx_fill_hdr: hlid: %d len: %d life: %d mem: %d extra: %d",
1318 desc->hlid,
1319 le16_to_cpu(desc->length),
1320 le16_to_cpu(desc->life_time),
1321 desc->wl128x_mem.total_mem_blocks,
1322 desc->wl128x_mem.extra_bytes);
1323 } else {
1324 /* calculate number of padding bytes */
1325 int pad = aligned_len - skb->len;
1326 desc->tx_attr |=
1327 cpu_to_le16(pad << TX_HW_ATTR_OFST_LAST_WORD_PAD);
1328
1329 /* Store the aligned length in terms of words */
1330 desc->length = cpu_to_le16(aligned_len >> 2);
1331
1332 wl1271_debug(DEBUG_TX,
1333 "tx_fill_hdr: pad: %d hlid: %d len: %d life: %d mem: %d",
1334 pad, desc->hlid,
1335 le16_to_cpu(desc->length),
1336 le16_to_cpu(desc->life_time),
1337 desc->wl127x_mem.total_mem_blocks);
1338 }
1339 }
1340
1341 static enum wl_rx_buf_align
wl12xx_get_rx_buf_align(struct wl1271 * wl,u32 rx_desc)1342 wl12xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc)
1343 {
1344 if (rx_desc & RX_BUF_UNALIGNED_PAYLOAD)
1345 return WLCORE_RX_BUF_UNALIGNED;
1346
1347 return WLCORE_RX_BUF_ALIGNED;
1348 }
1349
wl12xx_get_rx_packet_len(struct wl1271 * wl,void * rx_data,u32 data_len)1350 static u32 wl12xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data,
1351 u32 data_len)
1352 {
1353 struct wl1271_rx_descriptor *desc = rx_data;
1354
1355 /* invalid packet */
1356 if (data_len < sizeof(*desc) ||
1357 data_len < sizeof(*desc) + desc->pad_len)
1358 return 0;
1359
1360 return data_len - sizeof(*desc) - desc->pad_len;
1361 }
1362
wl12xx_tx_delayed_compl(struct wl1271 * wl)1363 static int wl12xx_tx_delayed_compl(struct wl1271 *wl)
1364 {
1365 if (wl->fw_status->tx_results_counter ==
1366 (wl->tx_results_count & 0xff))
1367 return 0;
1368
1369 return wlcore_tx_complete(wl);
1370 }
1371
wl12xx_hw_init(struct wl1271 * wl)1372 static int wl12xx_hw_init(struct wl1271 *wl)
1373 {
1374 int ret;
1375
1376 if (wl->chip.id == CHIP_ID_128X_PG20) {
1377 u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE;
1378
1379 ret = wl128x_cmd_general_parms(wl);
1380 if (ret < 0)
1381 goto out;
1382
1383 /*
1384 * If we are in calibrator based auto detect then we got the FEM nr
1385 * in wl->fem_manuf. No need to continue further
1386 */
1387 if (wl->plt_mode == PLT_FEM_DETECT)
1388 goto out;
1389
1390 ret = wl128x_cmd_radio_parms(wl);
1391 if (ret < 0)
1392 goto out;
1393
1394 if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN)
1395 /* Enable SDIO padding */
1396 host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
1397
1398 /* Must be before wl1271_acx_init_mem_config() */
1399 ret = wl1271_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap);
1400 if (ret < 0)
1401 goto out;
1402 } else {
1403 ret = wl1271_cmd_general_parms(wl);
1404 if (ret < 0)
1405 goto out;
1406
1407 /*
1408 * If we are in calibrator based auto detect then we got the FEM nr
1409 * in wl->fem_manuf. No need to continue further
1410 */
1411 if (wl->plt_mode == PLT_FEM_DETECT)
1412 goto out;
1413
1414 ret = wl1271_cmd_radio_parms(wl);
1415 if (ret < 0)
1416 goto out;
1417 ret = wl1271_cmd_ext_radio_parms(wl);
1418 if (ret < 0)
1419 goto out;
1420 }
1421 out:
1422 return ret;
1423 }
1424
wl12xx_convert_fw_status(struct wl1271 * wl,void * raw_fw_status,struct wl_fw_status * fw_status)1425 static void wl12xx_convert_fw_status(struct wl1271 *wl, void *raw_fw_status,
1426 struct wl_fw_status *fw_status)
1427 {
1428 struct wl12xx_fw_status *int_fw_status = raw_fw_status;
1429
1430 fw_status->intr = le32_to_cpu(int_fw_status->intr);
1431 fw_status->fw_rx_counter = int_fw_status->fw_rx_counter;
1432 fw_status->drv_rx_counter = int_fw_status->drv_rx_counter;
1433 fw_status->tx_results_counter = int_fw_status->tx_results_counter;
1434 fw_status->rx_pkt_descs = int_fw_status->rx_pkt_descs;
1435
1436 fw_status->fw_localtime = le32_to_cpu(int_fw_status->fw_localtime);
1437 fw_status->link_ps_bitmap = le32_to_cpu(int_fw_status->link_ps_bitmap);
1438 fw_status->link_fast_bitmap =
1439 le32_to_cpu(int_fw_status->link_fast_bitmap);
1440 fw_status->total_released_blks =
1441 le32_to_cpu(int_fw_status->total_released_blks);
1442 fw_status->tx_total = le32_to_cpu(int_fw_status->tx_total);
1443
1444 fw_status->counters.tx_released_pkts =
1445 int_fw_status->counters.tx_released_pkts;
1446 fw_status->counters.tx_lnk_free_pkts =
1447 int_fw_status->counters.tx_lnk_free_pkts;
1448 fw_status->counters.tx_voice_released_blks =
1449 int_fw_status->counters.tx_voice_released_blks;
1450 fw_status->counters.tx_last_rate =
1451 int_fw_status->counters.tx_last_rate;
1452
1453 fw_status->log_start_addr = le32_to_cpu(int_fw_status->log_start_addr);
1454 }
1455
wl12xx_sta_get_ap_rate_mask(struct wl1271 * wl,struct wl12xx_vif * wlvif)1456 static u32 wl12xx_sta_get_ap_rate_mask(struct wl1271 *wl,
1457 struct wl12xx_vif *wlvif)
1458 {
1459 return wlvif->rate_set;
1460 }
1461
wl12xx_conf_init(struct wl1271 * wl)1462 static void wl12xx_conf_init(struct wl1271 *wl)
1463 {
1464 struct wl12xx_priv *priv = wl->priv;
1465
1466 /* apply driver default configuration */
1467 memcpy(&wl->conf, &wl12xx_conf, sizeof(wl12xx_conf));
1468
1469 /* apply default private configuration */
1470 memcpy(&priv->conf, &wl12xx_default_priv_conf, sizeof(priv->conf));
1471 }
1472
wl12xx_mac_in_fuse(struct wl1271 * wl)1473 static bool wl12xx_mac_in_fuse(struct wl1271 *wl)
1474 {
1475 bool supported = false;
1476 u8 major, minor;
1477
1478 if (wl->chip.id == CHIP_ID_128X_PG20) {
1479 major = WL128X_PG_GET_MAJOR(wl->hw_pg_ver);
1480 minor = WL128X_PG_GET_MINOR(wl->hw_pg_ver);
1481
1482 /* in wl128x we have the MAC address if the PG is >= (2, 1) */
1483 if (major > 2 || (major == 2 && minor >= 1))
1484 supported = true;
1485 } else {
1486 major = WL127X_PG_GET_MAJOR(wl->hw_pg_ver);
1487 minor = WL127X_PG_GET_MINOR(wl->hw_pg_ver);
1488
1489 /* in wl127x we have the MAC address if the PG is >= (3, 1) */
1490 if (major == 3 && minor >= 1)
1491 supported = true;
1492 }
1493
1494 wl1271_debug(DEBUG_PROBE,
1495 "PG Ver major = %d minor = %d, MAC %s present",
1496 major, minor, supported ? "is" : "is not");
1497
1498 return supported;
1499 }
1500
wl12xx_get_fuse_mac(struct wl1271 * wl)1501 static int wl12xx_get_fuse_mac(struct wl1271 *wl)
1502 {
1503 u32 mac1, mac2;
1504 int ret;
1505
1506 /* Device may be in ELP from the bootloader or kexec */
1507 ret = wlcore_write32(wl, WL12XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
1508 if (ret < 0)
1509 goto out;
1510
1511 usleep_range(500000, 700000);
1512
1513 ret = wlcore_set_partition(wl, &wl->ptable[PART_DRPW]);
1514 if (ret < 0)
1515 goto out;
1516
1517 ret = wlcore_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1, &mac1);
1518 if (ret < 0)
1519 goto out;
1520
1521 ret = wlcore_read32(wl, WL12XX_REG_FUSE_BD_ADDR_2, &mac2);
1522 if (ret < 0)
1523 goto out;
1524
1525 /* these are the two parts of the BD_ADDR */
1526 wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
1527 ((mac1 & 0xff000000) >> 24);
1528 wl->fuse_nic_addr = mac1 & 0xffffff;
1529
1530 ret = wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
1531
1532 out:
1533 return ret;
1534 }
1535
wl12xx_get_pg_ver(struct wl1271 * wl,s8 * ver)1536 static int wl12xx_get_pg_ver(struct wl1271 *wl, s8 *ver)
1537 {
1538 u16 die_info;
1539 int ret;
1540
1541 if (wl->chip.id == CHIP_ID_128X_PG20)
1542 ret = wl12xx_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1,
1543 &die_info);
1544 else
1545 ret = wl12xx_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1,
1546 &die_info);
1547
1548 if (ret >= 0 && ver)
1549 *ver = (s8)((die_info & PG_VER_MASK) >> PG_VER_OFFSET);
1550
1551 return ret;
1552 }
1553
wl12xx_get_mac(struct wl1271 * wl)1554 static int wl12xx_get_mac(struct wl1271 *wl)
1555 {
1556 if (wl12xx_mac_in_fuse(wl))
1557 return wl12xx_get_fuse_mac(wl);
1558
1559 return 0;
1560 }
1561
wl12xx_set_tx_desc_csum(struct wl1271 * wl,struct wl1271_tx_hw_descr * desc,struct sk_buff * skb)1562 static void wl12xx_set_tx_desc_csum(struct wl1271 *wl,
1563 struct wl1271_tx_hw_descr *desc,
1564 struct sk_buff *skb)
1565 {
1566 desc->wl12xx_reserved = 0;
1567 }
1568
wl12xx_plt_init(struct wl1271 * wl)1569 static int wl12xx_plt_init(struct wl1271 *wl)
1570 {
1571 int ret;
1572
1573 ret = wl->ops->boot(wl);
1574 if (ret < 0)
1575 goto out;
1576
1577 ret = wl->ops->hw_init(wl);
1578 if (ret < 0)
1579 goto out_irq_disable;
1580
1581 /*
1582 * If we are in calibrator based auto detect then we got the FEM nr
1583 * in wl->fem_manuf. No need to continue further
1584 */
1585 if (wl->plt_mode == PLT_FEM_DETECT)
1586 goto out;
1587
1588 ret = wl1271_acx_init_mem_config(wl);
1589 if (ret < 0)
1590 goto out_irq_disable;
1591
1592 ret = wl12xx_acx_mem_cfg(wl);
1593 if (ret < 0)
1594 goto out_free_memmap;
1595
1596 /* Enable data path */
1597 ret = wl1271_cmd_data_path(wl, 1);
1598 if (ret < 0)
1599 goto out_free_memmap;
1600
1601 /* Configure for CAM power saving (ie. always active) */
1602 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
1603 if (ret < 0)
1604 goto out_free_memmap;
1605
1606 /* configure PM */
1607 ret = wl1271_acx_pm_config(wl);
1608 if (ret < 0)
1609 goto out_free_memmap;
1610
1611 goto out;
1612
1613 out_free_memmap:
1614 kfree(wl->target_mem_map);
1615 wl->target_mem_map = NULL;
1616
1617 out_irq_disable:
1618 mutex_unlock(&wl->mutex);
1619 /* Unlocking the mutex in the middle of handling is
1620 inherently unsafe. In this case we deem it safe to do,
1621 because we need to let any possibly pending IRQ out of
1622 the system (and while we are WL1271_STATE_OFF the IRQ
1623 work function will not do anything.) Also, any other
1624 possible concurrent operations will fail due to the
1625 current state, hence the wl1271 struct should be safe. */
1626 wlcore_disable_interrupts(wl);
1627 mutex_lock(&wl->mutex);
1628 out:
1629 return ret;
1630 }
1631
wl12xx_get_spare_blocks(struct wl1271 * wl,bool is_gem)1632 static int wl12xx_get_spare_blocks(struct wl1271 *wl, bool is_gem)
1633 {
1634 if (is_gem)
1635 return WL12XX_TX_HW_BLOCK_GEM_SPARE;
1636
1637 return WL12XX_TX_HW_BLOCK_SPARE_DEFAULT;
1638 }
1639
wl12xx_set_key(struct wl1271 * wl,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key_conf)1640 static int wl12xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
1641 struct ieee80211_vif *vif,
1642 struct ieee80211_sta *sta,
1643 struct ieee80211_key_conf *key_conf)
1644 {
1645 return wlcore_set_key(wl, cmd, vif, sta, key_conf);
1646 }
1647
wl12xx_set_peer_cap(struct wl1271 * wl,struct ieee80211_sta_ht_cap * ht_cap,bool allow_ht_operation,u32 rate_set,u8 hlid)1648 static int wl12xx_set_peer_cap(struct wl1271 *wl,
1649 struct ieee80211_sta_ht_cap *ht_cap,
1650 bool allow_ht_operation,
1651 u32 rate_set, u8 hlid)
1652 {
1653 return wl1271_acx_set_ht_capabilities(wl, ht_cap, allow_ht_operation,
1654 hlid);
1655 }
1656
wl12xx_lnk_high_prio(struct wl1271 * wl,u8 hlid,struct wl1271_link * lnk)1657 static bool wl12xx_lnk_high_prio(struct wl1271 *wl, u8 hlid,
1658 struct wl1271_link *lnk)
1659 {
1660 u8 thold;
1661
1662 if (test_bit(hlid, &wl->fw_fast_lnk_map))
1663 thold = wl->conf.tx.fast_link_thold;
1664 else
1665 thold = wl->conf.tx.slow_link_thold;
1666
1667 return lnk->allocated_pkts < thold;
1668 }
1669
wl12xx_lnk_low_prio(struct wl1271 * wl,u8 hlid,struct wl1271_link * lnk)1670 static bool wl12xx_lnk_low_prio(struct wl1271 *wl, u8 hlid,
1671 struct wl1271_link *lnk)
1672 {
1673 /* any link is good for low priority */
1674 return true;
1675 }
1676
wl12xx_convert_hwaddr(struct wl1271 * wl,u32 hwaddr)1677 static u32 wl12xx_convert_hwaddr(struct wl1271 *wl, u32 hwaddr)
1678 {
1679 return hwaddr << 5;
1680 }
1681
1682 static int wl12xx_setup(struct wl1271 *wl);
1683
1684 static struct wlcore_ops wl12xx_ops = {
1685 .setup = wl12xx_setup,
1686 .identify_chip = wl12xx_identify_chip,
1687 .boot = wl12xx_boot,
1688 .plt_init = wl12xx_plt_init,
1689 .trigger_cmd = wl12xx_trigger_cmd,
1690 .ack_event = wl12xx_ack_event,
1691 .wait_for_event = wl12xx_wait_for_event,
1692 .process_mailbox_events = wl12xx_process_mailbox_events,
1693 .calc_tx_blocks = wl12xx_calc_tx_blocks,
1694 .set_tx_desc_blocks = wl12xx_set_tx_desc_blocks,
1695 .set_tx_desc_data_len = wl12xx_set_tx_desc_data_len,
1696 .get_rx_buf_align = wl12xx_get_rx_buf_align,
1697 .get_rx_packet_len = wl12xx_get_rx_packet_len,
1698 .tx_immediate_compl = NULL,
1699 .tx_delayed_compl = wl12xx_tx_delayed_compl,
1700 .hw_init = wl12xx_hw_init,
1701 .init_vif = NULL,
1702 .convert_fw_status = wl12xx_convert_fw_status,
1703 .sta_get_ap_rate_mask = wl12xx_sta_get_ap_rate_mask,
1704 .get_pg_ver = wl12xx_get_pg_ver,
1705 .get_mac = wl12xx_get_mac,
1706 .set_tx_desc_csum = wl12xx_set_tx_desc_csum,
1707 .set_rx_csum = NULL,
1708 .ap_get_mimo_wide_rate_mask = NULL,
1709 .debugfs_init = wl12xx_debugfs_add_files,
1710 .scan_start = wl12xx_scan_start,
1711 .scan_stop = wl12xx_scan_stop,
1712 .sched_scan_start = wl12xx_sched_scan_start,
1713 .sched_scan_stop = wl12xx_scan_sched_scan_stop,
1714 .get_spare_blocks = wl12xx_get_spare_blocks,
1715 .set_key = wl12xx_set_key,
1716 .channel_switch = wl12xx_cmd_channel_switch,
1717 .pre_pkt_send = NULL,
1718 .set_peer_cap = wl12xx_set_peer_cap,
1719 .convert_hwaddr = wl12xx_convert_hwaddr,
1720 .lnk_high_prio = wl12xx_lnk_high_prio,
1721 .lnk_low_prio = wl12xx_lnk_low_prio,
1722 .interrupt_notify = NULL,
1723 .rx_ba_filter = NULL,
1724 .ap_sleep = NULL,
1725 };
1726
1727 static struct ieee80211_sta_ht_cap wl12xx_ht_cap = {
1728 .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 |
1729 (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT),
1730 .ht_supported = true,
1731 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K,
1732 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8,
1733 .mcs = {
1734 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1735 .rx_highest = cpu_to_le16(72),
1736 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1737 },
1738 };
1739
1740 static const struct ieee80211_iface_limit wl12xx_iface_limits[] = {
1741 {
1742 .max = 3,
1743 .types = BIT(NL80211_IFTYPE_STATION),
1744 },
1745 {
1746 .max = 1,
1747 .types = BIT(NL80211_IFTYPE_AP) |
1748 BIT(NL80211_IFTYPE_P2P_GO) |
1749 BIT(NL80211_IFTYPE_P2P_CLIENT),
1750 },
1751 };
1752
1753 static const struct ieee80211_iface_combination
1754 wl12xx_iface_combinations[] = {
1755 {
1756 .max_interfaces = 3,
1757 .limits = wl12xx_iface_limits,
1758 .n_limits = ARRAY_SIZE(wl12xx_iface_limits),
1759 .num_different_channels = 1,
1760 },
1761 };
1762
1763 static const struct wl12xx_clock wl12xx_refclock_table[] = {
1764 { 19200000, false, WL12XX_REFCLOCK_19 },
1765 { 26000000, false, WL12XX_REFCLOCK_26 },
1766 { 26000000, true, WL12XX_REFCLOCK_26_XTAL },
1767 { 38400000, false, WL12XX_REFCLOCK_38 },
1768 { 38400000, true, WL12XX_REFCLOCK_38_XTAL },
1769 { 52000000, false, WL12XX_REFCLOCK_52 },
1770 { 0, false, 0 }
1771 };
1772
1773 static const struct wl12xx_clock wl12xx_tcxoclock_table[] = {
1774 { 16368000, true, WL12XX_TCXOCLOCK_16_368 },
1775 { 16800000, true, WL12XX_TCXOCLOCK_16_8 },
1776 { 19200000, true, WL12XX_TCXOCLOCK_19_2 },
1777 { 26000000, true, WL12XX_TCXOCLOCK_26 },
1778 { 32736000, true, WL12XX_TCXOCLOCK_32_736 },
1779 { 33600000, true, WL12XX_TCXOCLOCK_33_6 },
1780 { 38400000, true, WL12XX_TCXOCLOCK_38_4 },
1781 { 52000000, true, WL12XX_TCXOCLOCK_52 },
1782 { 0, false, 0 }
1783 };
1784
wl12xx_get_clock_idx(const struct wl12xx_clock * table,u32 freq,bool xtal)1785 static int wl12xx_get_clock_idx(const struct wl12xx_clock *table,
1786 u32 freq, bool xtal)
1787 {
1788 int i;
1789
1790 for (i = 0; table[i].freq != 0; i++)
1791 if ((table[i].freq == freq) && (table[i].xtal == xtal))
1792 return table[i].hw_idx;
1793
1794 return -EINVAL;
1795 }
1796
wl12xx_setup(struct wl1271 * wl)1797 static int wl12xx_setup(struct wl1271 *wl)
1798 {
1799 struct wl12xx_priv *priv = wl->priv;
1800 struct wlcore_platdev_data *pdev_data = dev_get_platdata(&wl->pdev->dev);
1801
1802 BUILD_BUG_ON(WL12XX_MAX_LINKS > WLCORE_MAX_LINKS);
1803 BUILD_BUG_ON(WL12XX_MAX_AP_STATIONS > WL12XX_MAX_LINKS);
1804 BUILD_BUG_ON(WL12XX_CONF_SG_PARAMS_MAX > WLCORE_CONF_SG_PARAMS_MAX);
1805
1806 wl->rtable = wl12xx_rtable;
1807 wl->num_tx_desc = WL12XX_NUM_TX_DESCRIPTORS;
1808 wl->num_rx_desc = WL12XX_NUM_RX_DESCRIPTORS;
1809 wl->num_links = WL12XX_MAX_LINKS;
1810 wl->max_ap_stations = WL12XX_MAX_AP_STATIONS;
1811 wl->iface_combinations = wl12xx_iface_combinations;
1812 wl->n_iface_combinations = ARRAY_SIZE(wl12xx_iface_combinations);
1813 wl->num_mac_addr = WL12XX_NUM_MAC_ADDRESSES;
1814 wl->band_rate_to_idx = wl12xx_band_rate_to_idx;
1815 wl->hw_tx_rate_tbl_size = WL12XX_CONF_HW_RXTX_RATE_MAX;
1816 wl->hw_min_ht_rate = WL12XX_CONF_HW_RXTX_RATE_MCS0;
1817 wl->fw_status_len = sizeof(struct wl12xx_fw_status);
1818 wl->fw_status_priv_len = 0;
1819 wl->stats.fw_stats_len = sizeof(struct wl12xx_acx_statistics);
1820 wl->ofdm_only_ap = true;
1821 wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ, &wl12xx_ht_cap);
1822 wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ, &wl12xx_ht_cap);
1823 wl12xx_conf_init(wl);
1824
1825 if (!fref_param) {
1826 priv->ref_clock = wl12xx_get_clock_idx(wl12xx_refclock_table,
1827 pdev_data->ref_clock_freq,
1828 pdev_data->ref_clock_xtal);
1829 if (priv->ref_clock < 0) {
1830 wl1271_error("Invalid ref_clock frequency (%d Hz, %s)",
1831 pdev_data->ref_clock_freq,
1832 pdev_data->ref_clock_xtal ?
1833 "XTAL" : "not XTAL");
1834
1835 return priv->ref_clock;
1836 }
1837 } else {
1838 if (!strcmp(fref_param, "19.2"))
1839 priv->ref_clock = WL12XX_REFCLOCK_19;
1840 else if (!strcmp(fref_param, "26"))
1841 priv->ref_clock = WL12XX_REFCLOCK_26;
1842 else if (!strcmp(fref_param, "26x"))
1843 priv->ref_clock = WL12XX_REFCLOCK_26_XTAL;
1844 else if (!strcmp(fref_param, "38.4"))
1845 priv->ref_clock = WL12XX_REFCLOCK_38;
1846 else if (!strcmp(fref_param, "38.4x"))
1847 priv->ref_clock = WL12XX_REFCLOCK_38_XTAL;
1848 else if (!strcmp(fref_param, "52"))
1849 priv->ref_clock = WL12XX_REFCLOCK_52;
1850 else
1851 wl1271_error("Invalid fref parameter %s", fref_param);
1852 }
1853
1854 if (!tcxo_param && pdev_data->tcxo_clock_freq) {
1855 priv->tcxo_clock = wl12xx_get_clock_idx(wl12xx_tcxoclock_table,
1856 pdev_data->tcxo_clock_freq,
1857 true);
1858 if (priv->tcxo_clock < 0) {
1859 wl1271_error("Invalid tcxo_clock frequency (%d Hz)",
1860 pdev_data->tcxo_clock_freq);
1861
1862 return priv->tcxo_clock;
1863 }
1864 } else if (tcxo_param) {
1865 if (!strcmp(tcxo_param, "19.2"))
1866 priv->tcxo_clock = WL12XX_TCXOCLOCK_19_2;
1867 else if (!strcmp(tcxo_param, "26"))
1868 priv->tcxo_clock = WL12XX_TCXOCLOCK_26;
1869 else if (!strcmp(tcxo_param, "38.4"))
1870 priv->tcxo_clock = WL12XX_TCXOCLOCK_38_4;
1871 else if (!strcmp(tcxo_param, "52"))
1872 priv->tcxo_clock = WL12XX_TCXOCLOCK_52;
1873 else if (!strcmp(tcxo_param, "16.368"))
1874 priv->tcxo_clock = WL12XX_TCXOCLOCK_16_368;
1875 else if (!strcmp(tcxo_param, "32.736"))
1876 priv->tcxo_clock = WL12XX_TCXOCLOCK_32_736;
1877 else if (!strcmp(tcxo_param, "16.8"))
1878 priv->tcxo_clock = WL12XX_TCXOCLOCK_16_8;
1879 else if (!strcmp(tcxo_param, "33.6"))
1880 priv->tcxo_clock = WL12XX_TCXOCLOCK_33_6;
1881 else
1882 wl1271_error("Invalid tcxo parameter %s", tcxo_param);
1883 }
1884
1885 priv->rx_mem_addr = kmalloc(sizeof(*priv->rx_mem_addr), GFP_KERNEL);
1886 if (!priv->rx_mem_addr)
1887 return -ENOMEM;
1888
1889 return 0;
1890 }
1891
wl12xx_probe(struct platform_device * pdev)1892 static int wl12xx_probe(struct platform_device *pdev)
1893 {
1894 struct wl1271 *wl;
1895 struct ieee80211_hw *hw;
1896 int ret;
1897
1898 hw = wlcore_alloc_hw(sizeof(struct wl12xx_priv),
1899 WL12XX_AGGR_BUFFER_SIZE,
1900 sizeof(struct wl12xx_event_mailbox));
1901 if (IS_ERR(hw)) {
1902 wl1271_error("can't allocate hw");
1903 ret = PTR_ERR(hw);
1904 goto out;
1905 }
1906
1907 wl = hw->priv;
1908 wl->ops = &wl12xx_ops;
1909 wl->ptable = wl12xx_ptable;
1910 ret = wlcore_probe(wl, pdev);
1911 if (ret)
1912 goto out_free;
1913
1914 return ret;
1915
1916 out_free:
1917 wlcore_free_hw(wl);
1918 out:
1919 return ret;
1920 }
1921
wl12xx_remove(struct platform_device * pdev)1922 static void wl12xx_remove(struct platform_device *pdev)
1923 {
1924 struct wl1271 *wl = platform_get_drvdata(pdev);
1925 struct wl12xx_priv *priv;
1926
1927 priv = wl->priv;
1928
1929 kfree(priv->rx_mem_addr);
1930
1931 wlcore_remove(pdev);
1932 }
1933
1934 static const struct platform_device_id wl12xx_id_table[] = {
1935 { "wl12xx", 0 },
1936 { } /* Terminating Entry */
1937 };
1938 MODULE_DEVICE_TABLE(platform, wl12xx_id_table);
1939
1940 static struct platform_driver wl12xx_driver = {
1941 .probe = wl12xx_probe,
1942 .remove_new = wl12xx_remove,
1943 .id_table = wl12xx_id_table,
1944 .driver = {
1945 .name = "wl12xx_driver",
1946 }
1947 };
1948
1949 module_platform_driver(wl12xx_driver);
1950
1951 module_param_named(fref, fref_param, charp, 0);
1952 MODULE_PARM_DESC(fref, "FREF clock: 19.2, 26, 26x, 38.4, 38.4x, 52");
1953
1954 module_param_named(tcxo, tcxo_param, charp, 0);
1955 MODULE_PARM_DESC(tcxo,
1956 "TCXO clock: 19.2, 26, 38.4, 52, 16.368, 32.736, 16.8, 33.6");
1957
1958 MODULE_DESCRIPTION("TI WL12xx wireless driver");
1959 MODULE_LICENSE("GPL v2");
1960 MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
1961 MODULE_FIRMWARE(WL127X_FW_NAME_SINGLE);
1962 MODULE_FIRMWARE(WL127X_FW_NAME_MULTI);
1963 MODULE_FIRMWARE(WL127X_PLT_FW_NAME);
1964 MODULE_FIRMWARE(WL128X_FW_NAME_SINGLE);
1965 MODULE_FIRMWARE(WL128X_FW_NAME_MULTI);
1966 MODULE_FIRMWARE(WL128X_PLT_FW_NAME);
1967