xref: /openbmc/linux/drivers/net/wireless/ti/wl18xx/main.c (revision 74ce1896)
1 /*
2  * This file is part of wl18xx
3  *
4  * Copyright (C) 2011 Texas Instruments
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * version 2 as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18  * 02110-1301 USA
19  *
20  */
21 
22 #include <linux/module.h>
23 #include <linux/platform_device.h>
24 #include <linux/ip.h>
25 #include <linux/firmware.h>
26 #include <linux/etherdevice.h>
27 #include <linux/irq.h>
28 
29 #include "../wlcore/wlcore.h"
30 #include "../wlcore/debug.h"
31 #include "../wlcore/io.h"
32 #include "../wlcore/acx.h"
33 #include "../wlcore/tx.h"
34 #include "../wlcore/rx.h"
35 #include "../wlcore/boot.h"
36 
37 #include "reg.h"
38 #include "conf.h"
39 #include "cmd.h"
40 #include "acx.h"
41 #include "tx.h"
42 #include "wl18xx.h"
43 #include "io.h"
44 #include "scan.h"
45 #include "event.h"
46 #include "debugfs.h"
47 
48 #define WL18XX_RX_CHECKSUM_MASK      0x40
49 
50 static char *ht_mode_param = NULL;
51 static char *board_type_param = NULL;
52 static bool checksum_param = false;
53 static int num_rx_desc_param = -1;
54 
55 /* phy paramters */
56 static int dc2dc_param = -1;
57 static int n_antennas_2_param = -1;
58 static int n_antennas_5_param = -1;
59 static int low_band_component_param = -1;
60 static int low_band_component_type_param = -1;
61 static int high_band_component_param = -1;
62 static int high_band_component_type_param = -1;
63 static int pwr_limit_reference_11_abg_param = -1;
64 
65 static const u8 wl18xx_rate_to_idx_2ghz[] = {
66 	/* MCS rates are used only with 11n */
67 	15,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */
68 	14,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS14 */
69 	13,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS13 */
70 	12,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS12 */
71 	11,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS11 */
72 	10,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS10 */
73 	9,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS9 */
74 	8,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS8 */
75 	7,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS7 */
76 	6,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS6 */
77 	5,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS5 */
78 	4,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS4 */
79 	3,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS3 */
80 	2,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS2 */
81 	1,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS1 */
82 	0,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS0 */
83 
84 	11,                            /* WL18XX_CONF_HW_RXTX_RATE_54   */
85 	10,                            /* WL18XX_CONF_HW_RXTX_RATE_48   */
86 	9,                             /* WL18XX_CONF_HW_RXTX_RATE_36   */
87 	8,                             /* WL18XX_CONF_HW_RXTX_RATE_24   */
88 
89 	/* TI-specific rate */
90 	CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_22   */
91 
92 	7,                             /* WL18XX_CONF_HW_RXTX_RATE_18   */
93 	6,                             /* WL18XX_CONF_HW_RXTX_RATE_12   */
94 	3,                             /* WL18XX_CONF_HW_RXTX_RATE_11   */
95 	5,                             /* WL18XX_CONF_HW_RXTX_RATE_9    */
96 	4,                             /* WL18XX_CONF_HW_RXTX_RATE_6    */
97 	2,                             /* WL18XX_CONF_HW_RXTX_RATE_5_5  */
98 	1,                             /* WL18XX_CONF_HW_RXTX_RATE_2    */
99 	0                              /* WL18XX_CONF_HW_RXTX_RATE_1    */
100 };
101 
102 static const u8 wl18xx_rate_to_idx_5ghz[] = {
103 	/* MCS rates are used only with 11n */
104 	15,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */
105 	14,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS14 */
106 	13,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS13 */
107 	12,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS12 */
108 	11,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS11 */
109 	10,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS10 */
110 	9,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS9 */
111 	8,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS8 */
112 	7,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS7 */
113 	6,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS6 */
114 	5,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS5 */
115 	4,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS4 */
116 	3,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS3 */
117 	2,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS2 */
118 	1,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS1 */
119 	0,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS0 */
120 
121 	7,                             /* WL18XX_CONF_HW_RXTX_RATE_54   */
122 	6,                             /* WL18XX_CONF_HW_RXTX_RATE_48   */
123 	5,                             /* WL18XX_CONF_HW_RXTX_RATE_36   */
124 	4,                             /* WL18XX_CONF_HW_RXTX_RATE_24   */
125 
126 	/* TI-specific rate */
127 	CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_22   */
128 
129 	3,                             /* WL18XX_CONF_HW_RXTX_RATE_18   */
130 	2,                             /* WL18XX_CONF_HW_RXTX_RATE_12   */
131 	CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_11   */
132 	1,                             /* WL18XX_CONF_HW_RXTX_RATE_9    */
133 	0,                             /* WL18XX_CONF_HW_RXTX_RATE_6    */
134 	CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_5_5  */
135 	CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_2    */
136 	CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_1    */
137 };
138 
139 static const u8 *wl18xx_band_rate_to_idx[] = {
140 	[NL80211_BAND_2GHZ] = wl18xx_rate_to_idx_2ghz,
141 	[NL80211_BAND_5GHZ] = wl18xx_rate_to_idx_5ghz
142 };
143 
144 enum wl18xx_hw_rates {
145 	WL18XX_CONF_HW_RXTX_RATE_MCS15 = 0,
146 	WL18XX_CONF_HW_RXTX_RATE_MCS14,
147 	WL18XX_CONF_HW_RXTX_RATE_MCS13,
148 	WL18XX_CONF_HW_RXTX_RATE_MCS12,
149 	WL18XX_CONF_HW_RXTX_RATE_MCS11,
150 	WL18XX_CONF_HW_RXTX_RATE_MCS10,
151 	WL18XX_CONF_HW_RXTX_RATE_MCS9,
152 	WL18XX_CONF_HW_RXTX_RATE_MCS8,
153 	WL18XX_CONF_HW_RXTX_RATE_MCS7,
154 	WL18XX_CONF_HW_RXTX_RATE_MCS6,
155 	WL18XX_CONF_HW_RXTX_RATE_MCS5,
156 	WL18XX_CONF_HW_RXTX_RATE_MCS4,
157 	WL18XX_CONF_HW_RXTX_RATE_MCS3,
158 	WL18XX_CONF_HW_RXTX_RATE_MCS2,
159 	WL18XX_CONF_HW_RXTX_RATE_MCS1,
160 	WL18XX_CONF_HW_RXTX_RATE_MCS0,
161 	WL18XX_CONF_HW_RXTX_RATE_54,
162 	WL18XX_CONF_HW_RXTX_RATE_48,
163 	WL18XX_CONF_HW_RXTX_RATE_36,
164 	WL18XX_CONF_HW_RXTX_RATE_24,
165 	WL18XX_CONF_HW_RXTX_RATE_22,
166 	WL18XX_CONF_HW_RXTX_RATE_18,
167 	WL18XX_CONF_HW_RXTX_RATE_12,
168 	WL18XX_CONF_HW_RXTX_RATE_11,
169 	WL18XX_CONF_HW_RXTX_RATE_9,
170 	WL18XX_CONF_HW_RXTX_RATE_6,
171 	WL18XX_CONF_HW_RXTX_RATE_5_5,
172 	WL18XX_CONF_HW_RXTX_RATE_2,
173 	WL18XX_CONF_HW_RXTX_RATE_1,
174 	WL18XX_CONF_HW_RXTX_RATE_MAX,
175 };
176 
177 static struct wlcore_conf wl18xx_conf = {
178 	.sg = {
179 		.params = {
180 			[WL18XX_CONF_SG_PARAM_0] = 0,
181 			/* Configuration Parameters */
182 			[WL18XX_CONF_SG_ANTENNA_CONFIGURATION] = 0,
183 			[WL18XX_CONF_SG_ZIGBEE_COEX] = 0,
184 			[WL18XX_CONF_SG_TIME_SYNC] = 0,
185 			[WL18XX_CONF_SG_PARAM_4] = 0,
186 			[WL18XX_CONF_SG_PARAM_5] = 0,
187 			[WL18XX_CONF_SG_PARAM_6] = 0,
188 			[WL18XX_CONF_SG_PARAM_7] = 0,
189 			[WL18XX_CONF_SG_PARAM_8] = 0,
190 			[WL18XX_CONF_SG_PARAM_9] = 0,
191 			[WL18XX_CONF_SG_PARAM_10] = 0,
192 			[WL18XX_CONF_SG_PARAM_11] = 0,
193 			[WL18XX_CONF_SG_PARAM_12] = 0,
194 			[WL18XX_CONF_SG_PARAM_13] = 0,
195 			[WL18XX_CONF_SG_PARAM_14] = 0,
196 			[WL18XX_CONF_SG_PARAM_15] = 0,
197 			[WL18XX_CONF_SG_PARAM_16] = 0,
198 			[WL18XX_CONF_SG_PARAM_17] = 0,
199 			[WL18XX_CONF_SG_PARAM_18] = 0,
200 			[WL18XX_CONF_SG_PARAM_19] = 0,
201 			[WL18XX_CONF_SG_PARAM_20] = 0,
202 			[WL18XX_CONF_SG_PARAM_21] = 0,
203 			[WL18XX_CONF_SG_PARAM_22] = 0,
204 			[WL18XX_CONF_SG_PARAM_23] = 0,
205 			[WL18XX_CONF_SG_PARAM_24] = 0,
206 			[WL18XX_CONF_SG_PARAM_25] = 0,
207 			/* Active Scan Parameters */
208 			[WL18XX_CONF_SG_AUTO_SCAN_PROBE_REQ] = 170,
209 			[WL18XX_CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50,
210 			[WL18XX_CONF_SG_PARAM_28] = 0,
211 			/* Passive Scan Parameters */
212 			[WL18XX_CONF_SG_PARAM_29] = 0,
213 			[WL18XX_CONF_SG_PARAM_30] = 0,
214 			[WL18XX_CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200,
215 			/* Passive Scan in Dual Antenna Parameters */
216 			[WL18XX_CONF_SG_CONSECUTIVE_HV3_IN_PASSIVE_SCAN] = 0,
217 			[WL18XX_CONF_SG_BEACON_HV3_COLL_TH_IN_PASSIVE_SCAN] = 0,
218 			[WL18XX_CONF_SG_TX_RX_PROTECT_BW_IN_PASSIVE_SCAN] = 0,
219 			/* General Parameters */
220 			[WL18XX_CONF_SG_STA_FORCE_PS_IN_BT_SCO] = 1,
221 			[WL18XX_CONF_SG_PARAM_36] = 0,
222 			[WL18XX_CONF_SG_BEACON_MISS_PERCENT] = 60,
223 			[WL18XX_CONF_SG_PARAM_38] = 0,
224 			[WL18XX_CONF_SG_RXT] = 1200,
225 			[WL18XX_CONF_SG_UNUSED] = 0,
226 			[WL18XX_CONF_SG_ADAPTIVE_RXT_TXT] = 1,
227 			[WL18XX_CONF_SG_GENERAL_USAGE_BIT_MAP] = 3,
228 			[WL18XX_CONF_SG_HV3_MAX_SERVED] = 6,
229 			[WL18XX_CONF_SG_PARAM_44] = 0,
230 			[WL18XX_CONF_SG_PARAM_45] = 0,
231 			[WL18XX_CONF_SG_CONSECUTIVE_CTS_THRESHOLD] = 2,
232 			[WL18XX_CONF_SG_GEMINI_PARAM_47] = 0,
233 			[WL18XX_CONF_SG_STA_CONNECTION_PROTECTION_TIME] = 0,
234 			/* AP Parameters */
235 			[WL18XX_CONF_SG_AP_BEACON_MISS_TX] = 3,
236 			[WL18XX_CONF_SG_PARAM_50] = 0,
237 			[WL18XX_CONF_SG_AP_BEACON_WINDOW_INTERVAL] = 2,
238 			[WL18XX_CONF_SG_AP_CONNECTION_PROTECTION_TIME] = 30,
239 			[WL18XX_CONF_SG_PARAM_53] = 0,
240 			[WL18XX_CONF_SG_PARAM_54] = 0,
241 			/* CTS Diluting Parameters */
242 			[WL18XX_CONF_SG_CTS_DILUTED_BAD_RX_PACKETS_TH] = 0,
243 			[WL18XX_CONF_SG_CTS_CHOP_IN_DUAL_ANT_SCO_MASTER] = 0,
244 			[WL18XX_CONF_SG_TEMP_PARAM_1] = 0,
245 			[WL18XX_CONF_SG_TEMP_PARAM_2] = 0,
246 			[WL18XX_CONF_SG_TEMP_PARAM_3] = 0,
247 			[WL18XX_CONF_SG_TEMP_PARAM_4] = 0,
248 			[WL18XX_CONF_SG_TEMP_PARAM_5] = 0,
249 			[WL18XX_CONF_SG_TEMP_PARAM_6] = 0,
250 			[WL18XX_CONF_SG_TEMP_PARAM_7] = 0,
251 			[WL18XX_CONF_SG_TEMP_PARAM_8] = 0,
252 			[WL18XX_CONF_SG_TEMP_PARAM_9] = 0,
253 			[WL18XX_CONF_SG_TEMP_PARAM_10] = 0,
254 		},
255 		.state = CONF_SG_PROTECTIVE,
256 	},
257 	.rx = {
258 		.rx_msdu_life_time           = 512000,
259 		.packet_detection_threshold  = 0,
260 		.ps_poll_timeout             = 15,
261 		.upsd_timeout                = 15,
262 		.rts_threshold               = IEEE80211_MAX_RTS_THRESHOLD,
263 		.rx_cca_threshold            = 0,
264 		.irq_blk_threshold           = 0xFFFF,
265 		.irq_pkt_threshold           = 0,
266 		.irq_timeout                 = 600,
267 		.queue_type                  = CONF_RX_QUEUE_TYPE_LOW_PRIORITY,
268 	},
269 	.tx = {
270 		.tx_energy_detection         = 0,
271 		.sta_rc_conf                 = {
272 			.enabled_rates       = 0,
273 			.short_retry_limit   = 10,
274 			.long_retry_limit    = 10,
275 			.aflags              = 0,
276 		},
277 		.ac_conf_count               = 4,
278 		.ac_conf                     = {
279 			[CONF_TX_AC_BE] = {
280 				.ac          = CONF_TX_AC_BE,
281 				.cw_min      = 15,
282 				.cw_max      = 63,
283 				.aifsn       = 3,
284 				.tx_op_limit = 0,
285 			},
286 			[CONF_TX_AC_BK] = {
287 				.ac          = CONF_TX_AC_BK,
288 				.cw_min      = 15,
289 				.cw_max      = 63,
290 				.aifsn       = 7,
291 				.tx_op_limit = 0,
292 			},
293 			[CONF_TX_AC_VI] = {
294 				.ac          = CONF_TX_AC_VI,
295 				.cw_min      = 15,
296 				.cw_max      = 63,
297 				.aifsn       = CONF_TX_AIFS_PIFS,
298 				.tx_op_limit = 3008,
299 			},
300 			[CONF_TX_AC_VO] = {
301 				.ac          = CONF_TX_AC_VO,
302 				.cw_min      = 15,
303 				.cw_max      = 63,
304 				.aifsn       = CONF_TX_AIFS_PIFS,
305 				.tx_op_limit = 1504,
306 			},
307 		},
308 		.max_tx_retries = 100,
309 		.ap_aging_period = 300,
310 		.tid_conf_count = 4,
311 		.tid_conf = {
312 			[CONF_TX_AC_BE] = {
313 				.queue_id    = CONF_TX_AC_BE,
314 				.channel_type = CONF_CHANNEL_TYPE_EDCF,
315 				.tsid        = CONF_TX_AC_BE,
316 				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
317 				.ack_policy  = CONF_ACK_POLICY_LEGACY,
318 				.apsd_conf   = {0, 0},
319 			},
320 			[CONF_TX_AC_BK] = {
321 				.queue_id    = CONF_TX_AC_BK,
322 				.channel_type = CONF_CHANNEL_TYPE_EDCF,
323 				.tsid        = CONF_TX_AC_BK,
324 				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
325 				.ack_policy  = CONF_ACK_POLICY_LEGACY,
326 				.apsd_conf   = {0, 0},
327 			},
328 			[CONF_TX_AC_VI] = {
329 				.queue_id    = CONF_TX_AC_VI,
330 				.channel_type = CONF_CHANNEL_TYPE_EDCF,
331 				.tsid        = CONF_TX_AC_VI,
332 				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
333 				.ack_policy  = CONF_ACK_POLICY_LEGACY,
334 				.apsd_conf   = {0, 0},
335 			},
336 			[CONF_TX_AC_VO] = {
337 				.queue_id    = CONF_TX_AC_VO,
338 				.channel_type = CONF_CHANNEL_TYPE_EDCF,
339 				.tsid        = CONF_TX_AC_VO,
340 				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
341 				.ack_policy  = CONF_ACK_POLICY_LEGACY,
342 				.apsd_conf   = {0, 0},
343 			},
344 		},
345 		.frag_threshold              = IEEE80211_MAX_FRAG_THRESHOLD,
346 		.tx_compl_timeout            = 350,
347 		.tx_compl_threshold          = 10,
348 		.basic_rate                  = CONF_HW_BIT_RATE_1MBPS,
349 		.basic_rate_5                = CONF_HW_BIT_RATE_6MBPS,
350 		.tmpl_short_retry_limit      = 10,
351 		.tmpl_long_retry_limit       = 10,
352 		.tx_watchdog_timeout         = 5000,
353 		.slow_link_thold             = 3,
354 		.fast_link_thold             = 30,
355 	},
356 	.conn = {
357 		.wake_up_event               = CONF_WAKE_UP_EVENT_DTIM,
358 		.listen_interval             = 1,
359 		.suspend_wake_up_event       = CONF_WAKE_UP_EVENT_N_DTIM,
360 		.suspend_listen_interval     = 3,
361 		.bcn_filt_mode               = CONF_BCN_FILT_MODE_ENABLED,
362 		.bcn_filt_ie_count           = 3,
363 		.bcn_filt_ie = {
364 			[0] = {
365 				.ie          = WLAN_EID_CHANNEL_SWITCH,
366 				.rule        = CONF_BCN_RULE_PASS_ON_APPEARANCE,
367 			},
368 			[1] = {
369 				.ie          = WLAN_EID_HT_OPERATION,
370 				.rule        = CONF_BCN_RULE_PASS_ON_CHANGE,
371 			},
372 			[2] = {
373 				.ie	     = WLAN_EID_ERP_INFO,
374 				.rule	     = CONF_BCN_RULE_PASS_ON_CHANGE,
375 			},
376 		},
377 		.synch_fail_thold            = 12,
378 		.bss_lose_timeout            = 400,
379 		.beacon_rx_timeout           = 10000,
380 		.broadcast_timeout           = 20000,
381 		.rx_broadcast_in_ps          = 1,
382 		.ps_poll_threshold           = 10,
383 		.bet_enable                  = CONF_BET_MODE_ENABLE,
384 		.bet_max_consecutive         = 50,
385 		.psm_entry_retries           = 8,
386 		.psm_exit_retries            = 16,
387 		.psm_entry_nullfunc_retries  = 3,
388 		.dynamic_ps_timeout          = 1500,
389 		.forced_ps                   = false,
390 		.keep_alive_interval         = 55000,
391 		.max_listen_interval         = 20,
392 		.sta_sleep_auth              = WL1271_PSM_ILLEGAL,
393 		.suspend_rx_ba_activity      = 0,
394 	},
395 	.itrim = {
396 		.enable = false,
397 		.timeout = 50000,
398 	},
399 	.pm_config = {
400 		.host_clk_settling_time = 5000,
401 		.host_fast_wakeup_support = CONF_FAST_WAKEUP_DISABLE,
402 	},
403 	.roam_trigger = {
404 		.trigger_pacing               = 1,
405 		.avg_weight_rssi_beacon       = 20,
406 		.avg_weight_rssi_data         = 10,
407 		.avg_weight_snr_beacon        = 20,
408 		.avg_weight_snr_data          = 10,
409 	},
410 	.scan = {
411 		.min_dwell_time_active        = 7500,
412 		.max_dwell_time_active        = 30000,
413 		.min_dwell_time_active_long   = 25000,
414 		.max_dwell_time_active_long   = 50000,
415 		.dwell_time_passive           = 100000,
416 		.dwell_time_dfs               = 150000,
417 		.num_probe_reqs               = 2,
418 		.split_scan_timeout           = 50000,
419 	},
420 	.sched_scan = {
421 		/*
422 		 * Values are in TU/1000 but since sched scan FW command
423 		 * params are in TUs rounding up may occur.
424 		 */
425 		.base_dwell_time		= 7500,
426 		.max_dwell_time_delta		= 22500,
427 		/* based on 250bits per probe @1Mbps */
428 		.dwell_time_delta_per_probe	= 2000,
429 		/* based on 250bits per probe @6Mbps (plus a bit more) */
430 		.dwell_time_delta_per_probe_5	= 350,
431 		.dwell_time_passive		= 100000,
432 		.dwell_time_dfs			= 150000,
433 		.num_probe_reqs			= 2,
434 		.rssi_threshold			= -90,
435 		.snr_threshold			= 0,
436 		.num_short_intervals		= SCAN_MAX_SHORT_INTERVALS,
437 		.long_interval			= 30000,
438 	},
439 	.ht = {
440 		.rx_ba_win_size = 32,
441 		.tx_ba_win_size = 64,
442 		.inactivity_timeout = 10000,
443 		.tx_ba_tid_bitmap = CONF_TX_BA_ENABLED_TID_BITMAP,
444 	},
445 	.mem = {
446 		.num_stations                 = 1,
447 		.ssid_profiles                = 1,
448 		.rx_block_num                 = 40,
449 		.tx_min_block_num             = 40,
450 		.dynamic_memory               = 1,
451 		.min_req_tx_blocks            = 45,
452 		.min_req_rx_blocks            = 22,
453 		.tx_min                       = 27,
454 	},
455 	.fm_coex = {
456 		.enable                       = true,
457 		.swallow_period               = 5,
458 		.n_divider_fref_set_1         = 0xff,       /* default */
459 		.n_divider_fref_set_2         = 12,
460 		.m_divider_fref_set_1         = 0xffff,
461 		.m_divider_fref_set_2         = 148,        /* default */
462 		.coex_pll_stabilization_time  = 0xffffffff, /* default */
463 		.ldo_stabilization_time       = 0xffff,     /* default */
464 		.fm_disturbed_band_margin     = 0xff,       /* default */
465 		.swallow_clk_diff             = 0xff,       /* default */
466 	},
467 	.rx_streaming = {
468 		.duration                      = 150,
469 		.queues                        = 0x1,
470 		.interval                      = 20,
471 		.always                        = 0,
472 	},
473 	.fwlog = {
474 		.mode                         = WL12XX_FWLOG_CONTINUOUS,
475 		.mem_blocks                   = 0,
476 		.severity                     = 0,
477 		.timestamp                    = WL12XX_FWLOG_TIMESTAMP_DISABLED,
478 		.output                       = WL12XX_FWLOG_OUTPUT_DBG_PINS,
479 		.threshold                    = 0,
480 	},
481 	.rate = {
482 		.rate_retry_score = 32000,
483 		.per_add = 8192,
484 		.per_th1 = 2048,
485 		.per_th2 = 4096,
486 		.max_per = 8100,
487 		.inverse_curiosity_factor = 5,
488 		.tx_fail_low_th = 4,
489 		.tx_fail_high_th = 10,
490 		.per_alpha_shift = 4,
491 		.per_add_shift = 13,
492 		.per_beta1_shift = 10,
493 		.per_beta2_shift = 8,
494 		.rate_check_up = 2,
495 		.rate_check_down = 12,
496 		.rate_retry_policy = {
497 			0x00, 0x00, 0x00, 0x00, 0x00,
498 			0x00, 0x00, 0x00, 0x00, 0x00,
499 			0x00, 0x00, 0x00,
500 		},
501 	},
502 	.hangover = {
503 		.recover_time               = 0,
504 		.hangover_period            = 20,
505 		.dynamic_mode               = 1,
506 		.early_termination_mode     = 1,
507 		.max_period                 = 20,
508 		.min_period                 = 1,
509 		.increase_delta             = 1,
510 		.decrease_delta             = 2,
511 		.quiet_time                 = 4,
512 		.increase_time              = 1,
513 		.window_size                = 16,
514 	},
515 	.recovery = {
516 		.bug_on_recovery	    = 0,
517 		.no_recovery		    = 0,
518 	},
519 };
520 
521 static struct wl18xx_priv_conf wl18xx_default_priv_conf = {
522 	.ht = {
523 		.mode				= HT_MODE_WIDE,
524 	},
525 	.phy = {
526 		.phy_standalone			= 0x00,
527 		.primary_clock_setting_time	= 0x05,
528 		.clock_valid_on_wake_up		= 0x00,
529 		.secondary_clock_setting_time	= 0x05,
530 		.board_type 			= BOARD_TYPE_HDK_18XX,
531 		.auto_detect			= 0x00,
532 		.dedicated_fem			= FEM_NONE,
533 		.low_band_component		= COMPONENT_3_WAY_SWITCH,
534 		.low_band_component_type	= 0x05,
535 		.high_band_component		= COMPONENT_2_WAY_SWITCH,
536 		.high_band_component_type	= 0x09,
537 		.tcxo_ldo_voltage		= 0x00,
538 		.xtal_itrim_val			= 0x04,
539 		.srf_state			= 0x00,
540 		.io_configuration		= 0x01,
541 		.sdio_configuration		= 0x00,
542 		.settings			= 0x00,
543 		.enable_clpc			= 0x00,
544 		.enable_tx_low_pwr_on_siso_rdl	= 0x00,
545 		.rx_profile			= 0x00,
546 		.pwr_limit_reference_11_abg	= 0x64,
547 		.per_chan_pwr_limit_arr_11abg	= {
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, 0xff, 0xff, 0xff,
552 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
553 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
554 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
555 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
556 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
557 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
558 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
559 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
560 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
561 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
562 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
563 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
564 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
565 		.pwr_limit_reference_11p	= 0x64,
566 		.per_chan_bo_mode_11_abg	= { 0x00, 0x00, 0x00, 0x00,
567 						    0x00, 0x00, 0x00, 0x00,
568 						    0x00, 0x00, 0x00, 0x00,
569 						    0x00 },
570 		.per_chan_bo_mode_11_p		= { 0x00, 0x00, 0x00, 0x00 },
571 		.per_chan_pwr_limit_arr_11p	= { 0xff, 0xff, 0xff, 0xff,
572 						    0xff, 0xff, 0xff },
573 		.psat				= 0,
574 		.external_pa_dc2dc		= 0,
575 		.number_of_assembled_ant2_4	= 2,
576 		.number_of_assembled_ant5	= 1,
577 		.low_power_val			= 0xff,
578 		.med_power_val			= 0xff,
579 		.high_power_val			= 0xff,
580 		.low_power_val_2nd		= 0xff,
581 		.med_power_val_2nd		= 0xff,
582 		.high_power_val_2nd		= 0xff,
583 		.tx_rf_margin			= 1,
584 	},
585 	.ap_sleep = {               /* disabled by default */
586 		.idle_duty_cycle        = 0,
587 		.connected_duty_cycle   = 0,
588 		.max_stations_thresh    = 0,
589 		.idle_conn_thresh       = 0,
590 	},
591 };
592 
593 static const struct wlcore_partition_set wl18xx_ptable[PART_TABLE_LEN] = {
594 	[PART_TOP_PRCM_ELP_SOC] = {
595 		.mem  = { .start = 0x00A00000, .size  = 0x00012000 },
596 		.reg  = { .start = 0x00807000, .size  = 0x00005000 },
597 		.mem2 = { .start = 0x00800000, .size  = 0x0000B000 },
598 		.mem3 = { .start = 0x00401594, .size  = 0x00001020 },
599 	},
600 	[PART_DOWN] = {
601 		.mem  = { .start = 0x00000000, .size  = 0x00014000 },
602 		.reg  = { .start = 0x00810000, .size  = 0x0000BFFF },
603 		.mem2 = { .start = 0x00000000, .size  = 0x00000000 },
604 		.mem3 = { .start = 0x00000000, .size  = 0x00000000 },
605 	},
606 	[PART_BOOT] = {
607 		.mem  = { .start = 0x00700000, .size = 0x0000030c },
608 		.reg  = { .start = 0x00802000, .size = 0x00014578 },
609 		.mem2 = { .start = 0x00B00404, .size = 0x00001000 },
610 		.mem3 = { .start = 0x00C00000, .size = 0x00000400 },
611 	},
612 	[PART_WORK] = {
613 		.mem  = { .start = 0x00800000, .size  = 0x000050FC },
614 		.reg  = { .start = 0x00B00404, .size  = 0x00001000 },
615 		.mem2 = { .start = 0x00C00000, .size  = 0x00000400 },
616 		.mem3 = { .start = 0x00401594, .size  = 0x00001020 },
617 	},
618 	[PART_PHY_INIT] = {
619 		.mem  = { .start = WL18XX_PHY_INIT_MEM_ADDR,
620 			  .size  = WL18XX_PHY_INIT_MEM_SIZE },
621 		.reg  = { .start = 0x00000000, .size = 0x00000000 },
622 		.mem2 = { .start = 0x00000000, .size = 0x00000000 },
623 		.mem3 = { .start = 0x00000000, .size = 0x00000000 },
624 	},
625 };
626 
627 static const int wl18xx_rtable[REG_TABLE_LEN] = {
628 	[REG_ECPU_CONTROL]		= WL18XX_REG_ECPU_CONTROL,
629 	[REG_INTERRUPT_NO_CLEAR]	= WL18XX_REG_INTERRUPT_NO_CLEAR,
630 	[REG_INTERRUPT_ACK]		= WL18XX_REG_INTERRUPT_ACK,
631 	[REG_COMMAND_MAILBOX_PTR]	= WL18XX_REG_COMMAND_MAILBOX_PTR,
632 	[REG_EVENT_MAILBOX_PTR]		= WL18XX_REG_EVENT_MAILBOX_PTR,
633 	[REG_INTERRUPT_TRIG]		= WL18XX_REG_INTERRUPT_TRIG_H,
634 	[REG_INTERRUPT_MASK]		= WL18XX_REG_INTERRUPT_MASK,
635 	[REG_PC_ON_RECOVERY]		= WL18XX_SCR_PAD4,
636 	[REG_CHIP_ID_B]			= WL18XX_REG_CHIP_ID_B,
637 	[REG_CMD_MBOX_ADDRESS]		= WL18XX_CMD_MBOX_ADDRESS,
638 
639 	/* data access memory addresses, used with partition translation */
640 	[REG_SLV_MEM_DATA]		= WL18XX_SLV_MEM_DATA,
641 	[REG_SLV_REG_DATA]		= WL18XX_SLV_REG_DATA,
642 
643 	/* raw data access memory addresses */
644 	[REG_RAW_FW_STATUS_ADDR]	= WL18XX_FW_STATUS_ADDR,
645 };
646 
647 static const struct wl18xx_clk_cfg wl18xx_clk_table_coex[NUM_CLOCK_CONFIGS] = {
648 	[CLOCK_CONFIG_16_2_M]	= { 8,  121, 0, 0, false },
649 	[CLOCK_CONFIG_16_368_M]	= { 8,  120, 0, 0, false },
650 	[CLOCK_CONFIG_16_8_M]	= { 8,  117, 0, 0, false },
651 	[CLOCK_CONFIG_19_2_M]	= { 10, 128, 0, 0, false },
652 	[CLOCK_CONFIG_26_M]	= { 11, 104, 0, 0, false },
653 	[CLOCK_CONFIG_32_736_M]	= { 8,  120, 0, 0, false },
654 	[CLOCK_CONFIG_33_6_M]	= { 8,  117, 0, 0, false },
655 	[CLOCK_CONFIG_38_468_M]	= { 10, 128, 0, 0, false },
656 	[CLOCK_CONFIG_52_M]	= { 11, 104, 0, 0, false },
657 };
658 
659 static const struct wl18xx_clk_cfg wl18xx_clk_table[NUM_CLOCK_CONFIGS] = {
660 	[CLOCK_CONFIG_16_2_M]	= { 7,  104,  801, 4,  true },
661 	[CLOCK_CONFIG_16_368_M]	= { 9,  132, 3751, 4,  true },
662 	[CLOCK_CONFIG_16_8_M]	= { 7,  100,    0, 0, false },
663 	[CLOCK_CONFIG_19_2_M]	= { 8,  100,    0, 0, false },
664 	[CLOCK_CONFIG_26_M]	= { 13, 120,    0, 0, false },
665 	[CLOCK_CONFIG_32_736_M]	= { 9,  132, 3751, 4,  true },
666 	[CLOCK_CONFIG_33_6_M]	= { 7,  100,    0, 0, false },
667 	[CLOCK_CONFIG_38_468_M]	= { 8,  100,    0, 0, false },
668 	[CLOCK_CONFIG_52_M]	= { 13, 120,    0, 0, false },
669 };
670 
671 /* TODO: maybe move to a new header file? */
672 #define WL18XX_FW_NAME "ti-connectivity/wl18xx-fw-4.bin"
673 
674 static int wl18xx_identify_chip(struct wl1271 *wl)
675 {
676 	int ret = 0;
677 
678 	switch (wl->chip.id) {
679 	case CHIP_ID_185x_PG20:
680 		wl1271_debug(DEBUG_BOOT, "chip id 0x%x (185x PG20)",
681 				 wl->chip.id);
682 		wl->sr_fw_name = WL18XX_FW_NAME;
683 		/* wl18xx uses the same firmware for PLT */
684 		wl->plt_fw_name = WL18XX_FW_NAME;
685 		wl->quirks |= WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN |
686 			      WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN |
687 			      WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN |
688 			      WLCORE_QUIRK_TX_PAD_LAST_FRAME |
689 			      WLCORE_QUIRK_REGDOMAIN_CONF |
690 			      WLCORE_QUIRK_DUAL_PROBE_TMPL;
691 
692 		wlcore_set_min_fw_ver(wl, WL18XX_CHIP_VER,
693 				      WL18XX_IFTYPE_VER,  WL18XX_MAJOR_VER,
694 				      WL18XX_SUBTYPE_VER, WL18XX_MINOR_VER,
695 				      /* there's no separate multi-role FW */
696 				      0, 0, 0, 0);
697 		break;
698 	case CHIP_ID_185x_PG10:
699 		wl1271_warning("chip id 0x%x (185x PG10) is deprecated",
700 			       wl->chip.id);
701 		ret = -ENODEV;
702 		goto out;
703 
704 	default:
705 		wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
706 		ret = -ENODEV;
707 		goto out;
708 	}
709 
710 	wl->fw_mem_block_size = 272;
711 	wl->fwlog_end = 0x40000000;
712 
713 	wl->scan_templ_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4;
714 	wl->scan_templ_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5;
715 	wl->sched_scan_templ_id_2_4 = CMD_TEMPL_PROBE_REQ_2_4_PERIODIC;
716 	wl->sched_scan_templ_id_5 = CMD_TEMPL_PROBE_REQ_5_PERIODIC;
717 	wl->max_channels_5 = WL18XX_MAX_CHANNELS_5GHZ;
718 	wl->ba_rx_session_count_max = WL18XX_RX_BA_MAX_SESSIONS;
719 out:
720 	return ret;
721 }
722 
723 static int wl18xx_set_clk(struct wl1271 *wl)
724 {
725 	u16 clk_freq;
726 	int ret;
727 
728 	ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
729 	if (ret < 0)
730 		goto out;
731 
732 	/* TODO: PG2: apparently we need to read the clk type */
733 
734 	ret = wl18xx_top_reg_read(wl, PRIMARY_CLK_DETECT, &clk_freq);
735 	if (ret < 0)
736 		goto out;
737 
738 	wl1271_debug(DEBUG_BOOT, "clock freq %d (%d, %d, %d, %d, %s)", clk_freq,
739 		     wl18xx_clk_table[clk_freq].n, wl18xx_clk_table[clk_freq].m,
740 		     wl18xx_clk_table[clk_freq].p, wl18xx_clk_table[clk_freq].q,
741 		     wl18xx_clk_table[clk_freq].swallow ? "swallow" : "spit");
742 
743 	/* coex PLL configuration */
744 	ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_N,
745 				   wl18xx_clk_table_coex[clk_freq].n);
746 	if (ret < 0)
747 		goto out;
748 
749 	ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_M,
750 				   wl18xx_clk_table_coex[clk_freq].m);
751 	if (ret < 0)
752 		goto out;
753 
754 	/* bypass the swallowing logic */
755 	ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN,
756 				   PLLSH_COEX_PLL_SWALLOW_EN_VAL1);
757 	if (ret < 0)
758 		goto out;
759 
760 	ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_N,
761 				   wl18xx_clk_table[clk_freq].n);
762 	if (ret < 0)
763 		goto out;
764 
765 	ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_M,
766 				   wl18xx_clk_table[clk_freq].m);
767 	if (ret < 0)
768 		goto out;
769 
770 	if (wl18xx_clk_table[clk_freq].swallow) {
771 		/* first the 16 lower bits */
772 		ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_1,
773 					   wl18xx_clk_table[clk_freq].q &
774 					   PLLSH_WCS_PLL_Q_FACTOR_CFG_1_MASK);
775 		if (ret < 0)
776 			goto out;
777 
778 		/* then the 16 higher bits, masked out */
779 		ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_2,
780 					(wl18xx_clk_table[clk_freq].q >> 16) &
781 					PLLSH_WCS_PLL_Q_FACTOR_CFG_2_MASK);
782 		if (ret < 0)
783 			goto out;
784 
785 		/* first the 16 lower bits */
786 		ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_1,
787 					   wl18xx_clk_table[clk_freq].p &
788 					   PLLSH_WCS_PLL_P_FACTOR_CFG_1_MASK);
789 		if (ret < 0)
790 			goto out;
791 
792 		/* then the 16 higher bits, masked out */
793 		ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_2,
794 					(wl18xx_clk_table[clk_freq].p >> 16) &
795 					PLLSH_WCS_PLL_P_FACTOR_CFG_2_MASK);
796 		if (ret < 0)
797 			goto out;
798 	} else {
799 		ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_SWALLOW_EN,
800 					   PLLSH_WCS_PLL_SWALLOW_EN_VAL2);
801 		if (ret < 0)
802 			goto out;
803 	}
804 
805 	/* choose WCS PLL */
806 	ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_SEL,
807 				   PLLSH_WL_PLL_SEL_WCS_PLL);
808 	if (ret < 0)
809 		goto out;
810 
811 	/* enable both PLLs */
812 	ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL1);
813 	if (ret < 0)
814 		goto out;
815 
816 	udelay(1000);
817 
818 	/* disable coex PLL */
819 	ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL2);
820 	if (ret < 0)
821 		goto out;
822 
823 	/* reset the swallowing logic */
824 	ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN,
825 				   PLLSH_COEX_PLL_SWALLOW_EN_VAL2);
826 
827 out:
828 	return ret;
829 }
830 
831 static int wl18xx_boot_soft_reset(struct wl1271 *wl)
832 {
833 	int ret;
834 
835 	/* disable Rx/Tx */
836 	ret = wlcore_write32(wl, WL18XX_ENABLE, 0x0);
837 	if (ret < 0)
838 		goto out;
839 
840 	/* disable auto calibration on start*/
841 	ret = wlcore_write32(wl, WL18XX_SPARE_A2, 0xffff);
842 
843 out:
844 	return ret;
845 }
846 
847 static int wl18xx_pre_boot(struct wl1271 *wl)
848 {
849 	int ret;
850 
851 	ret = wl18xx_set_clk(wl);
852 	if (ret < 0)
853 		goto out;
854 
855 	/* Continue the ELP wake up sequence */
856 	ret = wlcore_write32(wl, WL18XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
857 	if (ret < 0)
858 		goto out;
859 
860 	udelay(500);
861 
862 	ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
863 	if (ret < 0)
864 		goto out;
865 
866 	/* Disable interrupts */
867 	ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
868 	if (ret < 0)
869 		goto out;
870 
871 	ret = wl18xx_boot_soft_reset(wl);
872 
873 out:
874 	return ret;
875 }
876 
877 static int wl18xx_pre_upload(struct wl1271 *wl)
878 {
879 	u32 tmp;
880 	int ret;
881 	u16 irq_invert;
882 
883 	BUILD_BUG_ON(sizeof(struct wl18xx_mac_and_phy_params) >
884 		WL18XX_PHY_INIT_MEM_SIZE);
885 
886 	ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
887 	if (ret < 0)
888 		goto out;
889 
890 	/* TODO: check if this is all needed */
891 	ret = wlcore_write32(wl, WL18XX_EEPROMLESS_IND, WL18XX_EEPROMLESS_IND);
892 	if (ret < 0)
893 		goto out;
894 
895 	ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &tmp);
896 	if (ret < 0)
897 		goto out;
898 
899 	wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
900 
901 	ret = wlcore_read32(wl, WL18XX_SCR_PAD2, &tmp);
902 	if (ret < 0)
903 		goto out;
904 
905 	/*
906 	 * Workaround for FDSP code RAM corruption (needed for PG2.1
907 	 * and newer; for older chips it's a NOP).  Change FDSP clock
908 	 * settings so that it's muxed to the ATGP clock instead of
909 	 * its own clock.
910 	 */
911 
912 	ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
913 	if (ret < 0)
914 		goto out;
915 
916 	/* disable FDSP clock */
917 	ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
918 			     MEM_FDSP_CLK_120_DISABLE);
919 	if (ret < 0)
920 		goto out;
921 
922 	/* set ATPG clock toward FDSP Code RAM rather than its own clock */
923 	ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
924 			     MEM_FDSP_CODERAM_FUNC_CLK_SEL);
925 	if (ret < 0)
926 		goto out;
927 
928 	/* re-enable FDSP clock */
929 	ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
930 			     MEM_FDSP_CLK_120_ENABLE);
931 	if (ret < 0)
932 		goto out;
933 
934 	ret = irq_get_trigger_type(wl->irq);
935 	if ((ret == IRQ_TYPE_LEVEL_LOW) || (ret == IRQ_TYPE_EDGE_FALLING)) {
936 		wl1271_info("using inverted interrupt logic: %d", ret);
937 		ret = wlcore_set_partition(wl,
938 					   &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
939 		if (ret < 0)
940 			goto out;
941 
942 		ret = wl18xx_top_reg_read(wl, TOP_FN0_CCCR_REG_32, &irq_invert);
943 		if (ret < 0)
944 			goto out;
945 
946 		irq_invert |= BIT(1);
947 		ret = wl18xx_top_reg_write(wl, TOP_FN0_CCCR_REG_32, irq_invert);
948 		if (ret < 0)
949 			goto out;
950 
951 		ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
952 	}
953 
954 out:
955 	return ret;
956 }
957 
958 static int wl18xx_set_mac_and_phy(struct wl1271 *wl)
959 {
960 	struct wl18xx_priv *priv = wl->priv;
961 	struct wl18xx_mac_and_phy_params *params;
962 	int ret;
963 
964 	params = kmemdup(&priv->conf.phy, sizeof(*params), GFP_KERNEL);
965 	if (!params) {
966 		ret = -ENOMEM;
967 		goto out;
968 	}
969 
970 	ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
971 	if (ret < 0)
972 		goto out;
973 
974 	ret = wlcore_write(wl, WL18XX_PHY_INIT_MEM_ADDR, params,
975 			   sizeof(*params), false);
976 
977 out:
978 	kfree(params);
979 	return ret;
980 }
981 
982 static int wl18xx_enable_interrupts(struct wl1271 *wl)
983 {
984 	u32 event_mask, intr_mask;
985 	int ret;
986 
987 	event_mask = WL18XX_ACX_EVENTS_VECTOR;
988 	intr_mask = WL18XX_INTR_MASK;
989 
990 	ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, event_mask);
991 	if (ret < 0)
992 		goto out;
993 
994 	wlcore_enable_interrupts(wl);
995 
996 	ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK,
997 			       WL1271_ACX_INTR_ALL & ~intr_mask);
998 	if (ret < 0)
999 		goto disable_interrupts;
1000 
1001 	return ret;
1002 
1003 disable_interrupts:
1004 	wlcore_disable_interrupts(wl);
1005 
1006 out:
1007 	return ret;
1008 }
1009 
1010 static int wl18xx_boot(struct wl1271 *wl)
1011 {
1012 	int ret;
1013 
1014 	ret = wl18xx_pre_boot(wl);
1015 	if (ret < 0)
1016 		goto out;
1017 
1018 	ret = wl18xx_pre_upload(wl);
1019 	if (ret < 0)
1020 		goto out;
1021 
1022 	ret = wlcore_boot_upload_firmware(wl);
1023 	if (ret < 0)
1024 		goto out;
1025 
1026 	ret = wl18xx_set_mac_and_phy(wl);
1027 	if (ret < 0)
1028 		goto out;
1029 
1030 	wl->event_mask = BSS_LOSS_EVENT_ID |
1031 		SCAN_COMPLETE_EVENT_ID |
1032 		RADAR_DETECTED_EVENT_ID |
1033 		RSSI_SNR_TRIGGER_0_EVENT_ID |
1034 		PERIODIC_SCAN_COMPLETE_EVENT_ID |
1035 		PERIODIC_SCAN_REPORT_EVENT_ID |
1036 		DUMMY_PACKET_EVENT_ID |
1037 		PEER_REMOVE_COMPLETE_EVENT_ID |
1038 		BA_SESSION_RX_CONSTRAINT_EVENT_ID |
1039 		REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID |
1040 		INACTIVE_STA_EVENT_ID |
1041 		CHANNEL_SWITCH_COMPLETE_EVENT_ID |
1042 		DFS_CHANNELS_CONFIG_COMPLETE_EVENT |
1043 		SMART_CONFIG_SYNC_EVENT_ID |
1044 		SMART_CONFIG_DECODE_EVENT_ID |
1045 		TIME_SYNC_EVENT_ID |
1046 		FW_LOGGER_INDICATION |
1047 		RX_BA_WIN_SIZE_CHANGE_EVENT_ID;
1048 
1049 	wl->ap_event_mask = MAX_TX_FAILURE_EVENT_ID;
1050 
1051 	ret = wlcore_boot_run_firmware(wl);
1052 	if (ret < 0)
1053 		goto out;
1054 
1055 	ret = wl18xx_enable_interrupts(wl);
1056 
1057 out:
1058 	return ret;
1059 }
1060 
1061 static int wl18xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr,
1062 			       void *buf, size_t len)
1063 {
1064 	struct wl18xx_priv *priv = wl->priv;
1065 
1066 	memcpy(priv->cmd_buf, buf, len);
1067 	memset(priv->cmd_buf + len, 0, WL18XX_CMD_MAX_SIZE - len);
1068 
1069 	return wlcore_write(wl, cmd_box_addr, priv->cmd_buf,
1070 			    WL18XX_CMD_MAX_SIZE, false);
1071 }
1072 
1073 static int wl18xx_ack_event(struct wl1271 *wl)
1074 {
1075 	return wlcore_write_reg(wl, REG_INTERRUPT_TRIG,
1076 				WL18XX_INTR_TRIG_EVENT_ACK);
1077 }
1078 
1079 static u32 wl18xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks)
1080 {
1081 	u32 blk_size = WL18XX_TX_HW_BLOCK_SIZE;
1082 	return (len + blk_size - 1) / blk_size + spare_blks;
1083 }
1084 
1085 static void
1086 wl18xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1087 			  u32 blks, u32 spare_blks)
1088 {
1089 	desc->wl18xx_mem.total_mem_blocks = blks;
1090 }
1091 
1092 static void
1093 wl18xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1094 			    struct sk_buff *skb)
1095 {
1096 	desc->length = cpu_to_le16(skb->len);
1097 
1098 	/* if only the last frame is to be padded, we unset this bit on Tx */
1099 	if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME)
1100 		desc->wl18xx_mem.ctrl = WL18XX_TX_CTRL_NOT_PADDED;
1101 	else
1102 		desc->wl18xx_mem.ctrl = 0;
1103 
1104 	wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d "
1105 		     "len: %d life: %d mem: %d", desc->hlid,
1106 		     le16_to_cpu(desc->length),
1107 		     le16_to_cpu(desc->life_time),
1108 		     desc->wl18xx_mem.total_mem_blocks);
1109 }
1110 
1111 static enum wl_rx_buf_align
1112 wl18xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc)
1113 {
1114 	if (rx_desc & RX_BUF_PADDED_PAYLOAD)
1115 		return WLCORE_RX_BUF_PADDED;
1116 
1117 	return WLCORE_RX_BUF_ALIGNED;
1118 }
1119 
1120 static u32 wl18xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data,
1121 				    u32 data_len)
1122 {
1123 	struct wl1271_rx_descriptor *desc = rx_data;
1124 
1125 	/* invalid packet */
1126 	if (data_len < sizeof(*desc))
1127 		return 0;
1128 
1129 	return data_len - sizeof(*desc);
1130 }
1131 
1132 static void wl18xx_tx_immediate_completion(struct wl1271 *wl)
1133 {
1134 	wl18xx_tx_immediate_complete(wl);
1135 }
1136 
1137 static int wl18xx_set_host_cfg_bitmap(struct wl1271 *wl, u32 extra_mem_blk)
1138 {
1139 	int ret;
1140 	u32 sdio_align_size = 0;
1141 	u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE |
1142 			      HOST_IF_CFG_ADD_RX_ALIGNMENT;
1143 
1144 	/* Enable Tx SDIO padding */
1145 	if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) {
1146 		host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
1147 		sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
1148 	}
1149 
1150 	/* Enable Rx SDIO padding */
1151 	if (wl->quirks & WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN) {
1152 		host_cfg_bitmap |= HOST_IF_CFG_RX_PAD_TO_SDIO_BLK;
1153 		sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
1154 	}
1155 
1156 	ret = wl18xx_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap,
1157 					    sdio_align_size, extra_mem_blk,
1158 					    WL18XX_HOST_IF_LEN_SIZE_FIELD);
1159 	if (ret < 0)
1160 		return ret;
1161 
1162 	return 0;
1163 }
1164 
1165 static int wl18xx_hw_init(struct wl1271 *wl)
1166 {
1167 	int ret;
1168 	struct wl18xx_priv *priv = wl->priv;
1169 
1170 	/* (re)init private structures. Relevant on recovery as well. */
1171 	priv->last_fw_rls_idx = 0;
1172 	priv->extra_spare_key_count = 0;
1173 
1174 	/* set the default amount of spare blocks in the bitmap */
1175 	ret = wl18xx_set_host_cfg_bitmap(wl, WL18XX_TX_HW_BLOCK_SPARE);
1176 	if (ret < 0)
1177 		return ret;
1178 
1179 	/* set the dynamic fw traces bitmap */
1180 	ret = wl18xx_acx_dynamic_fw_traces(wl);
1181 	if (ret < 0)
1182 		return ret;
1183 
1184 	if (checksum_param) {
1185 		ret = wl18xx_acx_set_checksum_state(wl);
1186 		if (ret != 0)
1187 			return ret;
1188 	}
1189 
1190 	return ret;
1191 }
1192 
1193 static void wl18xx_convert_fw_status(struct wl1271 *wl, void *raw_fw_status,
1194 				     struct wl_fw_status *fw_status)
1195 {
1196 	struct wl18xx_fw_status *int_fw_status = raw_fw_status;
1197 
1198 	fw_status->intr = le32_to_cpu(int_fw_status->intr);
1199 	fw_status->fw_rx_counter = int_fw_status->fw_rx_counter;
1200 	fw_status->drv_rx_counter = int_fw_status->drv_rx_counter;
1201 	fw_status->tx_results_counter = int_fw_status->tx_results_counter;
1202 	fw_status->rx_pkt_descs = int_fw_status->rx_pkt_descs;
1203 
1204 	fw_status->fw_localtime = le32_to_cpu(int_fw_status->fw_localtime);
1205 	fw_status->link_ps_bitmap = le32_to_cpu(int_fw_status->link_ps_bitmap);
1206 	fw_status->link_fast_bitmap =
1207 			le32_to_cpu(int_fw_status->link_fast_bitmap);
1208 	fw_status->total_released_blks =
1209 			le32_to_cpu(int_fw_status->total_released_blks);
1210 	fw_status->tx_total = le32_to_cpu(int_fw_status->tx_total);
1211 
1212 	fw_status->counters.tx_released_pkts =
1213 			int_fw_status->counters.tx_released_pkts;
1214 	fw_status->counters.tx_lnk_free_pkts =
1215 			int_fw_status->counters.tx_lnk_free_pkts;
1216 	fw_status->counters.tx_voice_released_blks =
1217 			int_fw_status->counters.tx_voice_released_blks;
1218 	fw_status->counters.tx_last_rate =
1219 			int_fw_status->counters.tx_last_rate;
1220 	fw_status->counters.tx_last_rate_mbps =
1221 			int_fw_status->counters.tx_last_rate_mbps;
1222 	fw_status->counters.hlid =
1223 			int_fw_status->counters.hlid;
1224 
1225 	fw_status->log_start_addr = le32_to_cpu(int_fw_status->log_start_addr);
1226 
1227 	fw_status->priv = &int_fw_status->priv;
1228 }
1229 
1230 static void wl18xx_set_tx_desc_csum(struct wl1271 *wl,
1231 				    struct wl1271_tx_hw_descr *desc,
1232 				    struct sk_buff *skb)
1233 {
1234 	u32 ip_hdr_offset;
1235 	struct iphdr *ip_hdr;
1236 
1237 	if (!checksum_param) {
1238 		desc->wl18xx_checksum_data = 0;
1239 		return;
1240 	}
1241 
1242 	if (skb->ip_summed != CHECKSUM_PARTIAL) {
1243 		desc->wl18xx_checksum_data = 0;
1244 		return;
1245 	}
1246 
1247 	ip_hdr_offset = skb_network_header(skb) - skb_mac_header(skb);
1248 	if (WARN_ON(ip_hdr_offset >= (1<<7))) {
1249 		desc->wl18xx_checksum_data = 0;
1250 		return;
1251 	}
1252 
1253 	desc->wl18xx_checksum_data = ip_hdr_offset << 1;
1254 
1255 	/* FW is interested only in the LSB of the protocol  TCP=0 UDP=1 */
1256 	ip_hdr = (void *)skb_network_header(skb);
1257 	desc->wl18xx_checksum_data |= (ip_hdr->protocol & 0x01);
1258 }
1259 
1260 static void wl18xx_set_rx_csum(struct wl1271 *wl,
1261 			       struct wl1271_rx_descriptor *desc,
1262 			       struct sk_buff *skb)
1263 {
1264 	if (desc->status & WL18XX_RX_CHECKSUM_MASK)
1265 		skb->ip_summed = CHECKSUM_UNNECESSARY;
1266 }
1267 
1268 static bool wl18xx_is_mimo_supported(struct wl1271 *wl)
1269 {
1270 	struct wl18xx_priv *priv = wl->priv;
1271 
1272 	/* only support MIMO with multiple antennas, and when SISO
1273 	 * is not forced through config
1274 	 */
1275 	return (priv->conf.phy.number_of_assembled_ant2_4 >= 2) &&
1276 	       (priv->conf.ht.mode != HT_MODE_WIDE) &&
1277 	       (priv->conf.ht.mode != HT_MODE_SISO20);
1278 }
1279 
1280 /*
1281  * TODO: instead of having these two functions to get the rate mask,
1282  * we should modify the wlvif->rate_set instead
1283  */
1284 static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl,
1285 				       struct wl12xx_vif *wlvif)
1286 {
1287 	u32 hw_rate_set = wlvif->rate_set;
1288 
1289 	if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
1290 	    wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
1291 		wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
1292 		hw_rate_set |= CONF_TX_RATE_USE_WIDE_CHAN;
1293 
1294 		/* we don't support MIMO in wide-channel mode */
1295 		hw_rate_set &= ~CONF_TX_MIMO_RATES;
1296 	} else if (wl18xx_is_mimo_supported(wl)) {
1297 		wl1271_debug(DEBUG_ACX, "using MIMO channel rate mask");
1298 		hw_rate_set |= CONF_TX_MIMO_RATES;
1299 	}
1300 
1301 	return hw_rate_set;
1302 }
1303 
1304 static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl,
1305 					     struct wl12xx_vif *wlvif)
1306 {
1307 	if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
1308 	    wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
1309 		wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
1310 
1311 		/* sanity check - we don't support this */
1312 		if (WARN_ON(wlvif->band != NL80211_BAND_5GHZ))
1313 			return 0;
1314 
1315 		return CONF_TX_RATE_USE_WIDE_CHAN;
1316 	} else if (wl18xx_is_mimo_supported(wl) &&
1317 		   wlvif->band == NL80211_BAND_2GHZ) {
1318 		wl1271_debug(DEBUG_ACX, "using MIMO rate mask");
1319 		/*
1320 		 * we don't care about HT channel here - if a peer doesn't
1321 		 * support MIMO, we won't enable it in its rates
1322 		 */
1323 		return CONF_TX_MIMO_RATES;
1324 	} else {
1325 		return 0;
1326 	}
1327 }
1328 
1329 static const char *wl18xx_rdl_name(enum wl18xx_rdl_num rdl_num)
1330 {
1331 	switch (rdl_num) {
1332 	case RDL_1_HP:
1333 		return "183xH";
1334 	case RDL_2_SP:
1335 		return "183x or 180x";
1336 	case RDL_3_HP:
1337 		return "187xH";
1338 	case RDL_4_SP:
1339 		return "187x";
1340 	case RDL_5_SP:
1341 		return "RDL11 - Not Supported";
1342 	case RDL_6_SP:
1343 		return "180xD";
1344 	case RDL_7_SP:
1345 		return "RDL13 - Not Supported (1893Q)";
1346 	case RDL_8_SP:
1347 		return "18xxQ";
1348 	case RDL_NONE:
1349 		return "UNTRIMMED";
1350 	default:
1351 		return "UNKNOWN";
1352 	}
1353 }
1354 
1355 static int wl18xx_get_pg_ver(struct wl1271 *wl, s8 *ver)
1356 {
1357 	u32 fuse;
1358 	s8 rom = 0, metal = 0, pg_ver = 0, rdl_ver = 0, package_type = 0;
1359 	int ret;
1360 
1361 	ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
1362 	if (ret < 0)
1363 		goto out;
1364 
1365 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
1366 	if (ret < 0)
1367 		goto out;
1368 
1369 	package_type = (fuse >> WL18XX_PACKAGE_TYPE_OFFSET) & 1;
1370 
1371 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_1_3, &fuse);
1372 	if (ret < 0)
1373 		goto out;
1374 
1375 	pg_ver = (fuse & WL18XX_PG_VER_MASK) >> WL18XX_PG_VER_OFFSET;
1376 	rom = (fuse & WL18XX_ROM_VER_MASK) >> WL18XX_ROM_VER_OFFSET;
1377 
1378 	if ((rom <= 0xE) && (package_type == WL18XX_PACKAGE_TYPE_WSP))
1379 		metal = (fuse & WL18XX_METAL_VER_MASK) >>
1380 			WL18XX_METAL_VER_OFFSET;
1381 	else
1382 		metal = (fuse & WL18XX_NEW_METAL_VER_MASK) >>
1383 			WL18XX_NEW_METAL_VER_OFFSET;
1384 
1385 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
1386 	if (ret < 0)
1387 		goto out;
1388 
1389 	rdl_ver = (fuse & WL18XX_RDL_VER_MASK) >> WL18XX_RDL_VER_OFFSET;
1390 
1391 	wl1271_info("wl18xx HW: %s, PG %d.%d (ROM 0x%x)",
1392 		    wl18xx_rdl_name(rdl_ver), pg_ver, metal, rom);
1393 
1394 	if (ver)
1395 		*ver = pg_ver;
1396 
1397 	ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
1398 
1399 out:
1400 	return ret;
1401 }
1402 
1403 static int wl18xx_load_conf_file(struct device *dev, struct wlcore_conf *conf,
1404 				 struct wl18xx_priv_conf *priv_conf,
1405 				 const char *file)
1406 {
1407 	struct wlcore_conf_file *conf_file;
1408 	const struct firmware *fw;
1409 	int ret;
1410 
1411 	ret = request_firmware(&fw, file, dev);
1412 	if (ret < 0) {
1413 		wl1271_error("could not get configuration binary %s: %d",
1414 			     file, ret);
1415 		return ret;
1416 	}
1417 
1418 	if (fw->size != WL18XX_CONF_SIZE) {
1419 		wl1271_error("%s configuration binary size is wrong, expected %zu got %zu",
1420 			     file, WL18XX_CONF_SIZE, fw->size);
1421 		ret = -EINVAL;
1422 		goto out_release;
1423 	}
1424 
1425 	conf_file = (struct wlcore_conf_file *) fw->data;
1426 
1427 	if (conf_file->header.magic != cpu_to_le32(WL18XX_CONF_MAGIC)) {
1428 		wl1271_error("configuration binary file magic number mismatch, "
1429 			     "expected 0x%0x got 0x%0x", WL18XX_CONF_MAGIC,
1430 			     conf_file->header.magic);
1431 		ret = -EINVAL;
1432 		goto out_release;
1433 	}
1434 
1435 	if (conf_file->header.version != cpu_to_le32(WL18XX_CONF_VERSION)) {
1436 		wl1271_error("configuration binary file version not supported, "
1437 			     "expected 0x%08x got 0x%08x",
1438 			     WL18XX_CONF_VERSION, conf_file->header.version);
1439 		ret = -EINVAL;
1440 		goto out_release;
1441 	}
1442 
1443 	memcpy(conf, &conf_file->core, sizeof(*conf));
1444 	memcpy(priv_conf, &conf_file->priv, sizeof(*priv_conf));
1445 
1446 out_release:
1447 	release_firmware(fw);
1448 	return ret;
1449 }
1450 
1451 static int wl18xx_conf_init(struct wl1271 *wl, struct device *dev)
1452 {
1453 	struct platform_device *pdev = wl->pdev;
1454 	struct wlcore_platdev_data *pdata = dev_get_platdata(&pdev->dev);
1455 	struct wl18xx_priv *priv = wl->priv;
1456 
1457 	if (wl18xx_load_conf_file(dev, &wl->conf, &priv->conf,
1458 				  pdata->family->cfg_name) < 0) {
1459 		wl1271_warning("falling back to default config");
1460 
1461 		/* apply driver default configuration */
1462 		memcpy(&wl->conf, &wl18xx_conf, sizeof(wl->conf));
1463 		/* apply default private configuration */
1464 		memcpy(&priv->conf, &wl18xx_default_priv_conf,
1465 		       sizeof(priv->conf));
1466 	}
1467 
1468 	return 0;
1469 }
1470 
1471 static int wl18xx_plt_init(struct wl1271 *wl)
1472 {
1473 	int ret;
1474 
1475 	/* calibrator based auto/fem detect not supported for 18xx */
1476 	if (wl->plt_mode == PLT_FEM_DETECT) {
1477 		wl1271_error("wl18xx_plt_init: PLT FEM_DETECT not supported");
1478 		return -EINVAL;
1479 	}
1480 
1481 	ret = wlcore_write32(wl, WL18XX_SCR_PAD8, WL18XX_SCR_PAD8_PLT);
1482 	if (ret < 0)
1483 		return ret;
1484 
1485 	return wl->ops->boot(wl);
1486 }
1487 
1488 static int wl18xx_get_mac(struct wl1271 *wl)
1489 {
1490 	u32 mac1, mac2;
1491 	int ret;
1492 
1493 	ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
1494 	if (ret < 0)
1495 		goto out;
1496 
1497 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_1, &mac1);
1498 	if (ret < 0)
1499 		goto out;
1500 
1501 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_2, &mac2);
1502 	if (ret < 0)
1503 		goto out;
1504 
1505 	/* these are the two parts of the BD_ADDR */
1506 	wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
1507 		((mac1 & 0xff000000) >> 24);
1508 	wl->fuse_nic_addr = (mac1 & 0xffffff);
1509 
1510 	if (!wl->fuse_oui_addr && !wl->fuse_nic_addr) {
1511 		u8 mac[ETH_ALEN];
1512 
1513 		eth_random_addr(mac);
1514 
1515 		wl->fuse_oui_addr = (mac[0] << 16) + (mac[1] << 8) + mac[2];
1516 		wl->fuse_nic_addr = (mac[3] << 16) + (mac[4] << 8) + mac[5];
1517 		wl1271_warning("MAC address from fuse not available, using random locally administered addresses.");
1518 	}
1519 
1520 	ret = wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
1521 
1522 out:
1523 	return ret;
1524 }
1525 
1526 static int wl18xx_handle_static_data(struct wl1271 *wl,
1527 				     struct wl1271_static_data *static_data)
1528 {
1529 	struct wl18xx_static_data_priv *static_data_priv =
1530 		(struct wl18xx_static_data_priv *) static_data->priv;
1531 
1532 	strncpy(wl->chip.phy_fw_ver_str, static_data_priv->phy_version,
1533 		sizeof(wl->chip.phy_fw_ver_str));
1534 
1535 	/* make sure the string is NULL-terminated */
1536 	wl->chip.phy_fw_ver_str[sizeof(wl->chip.phy_fw_ver_str) - 1] = '\0';
1537 
1538 	wl1271_info("PHY firmware version: %s", static_data_priv->phy_version);
1539 
1540 	return 0;
1541 }
1542 
1543 static int wl18xx_get_spare_blocks(struct wl1271 *wl, bool is_gem)
1544 {
1545 	struct wl18xx_priv *priv = wl->priv;
1546 
1547 	/* If we have keys requiring extra spare, indulge them */
1548 	if (priv->extra_spare_key_count)
1549 		return WL18XX_TX_HW_EXTRA_BLOCK_SPARE;
1550 
1551 	return WL18XX_TX_HW_BLOCK_SPARE;
1552 }
1553 
1554 static int wl18xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
1555 			  struct ieee80211_vif *vif,
1556 			  struct ieee80211_sta *sta,
1557 			  struct ieee80211_key_conf *key_conf)
1558 {
1559 	struct wl18xx_priv *priv = wl->priv;
1560 	bool change_spare = false, special_enc;
1561 	int ret;
1562 
1563 	wl1271_debug(DEBUG_CRYPT, "extra spare keys before: %d",
1564 		     priv->extra_spare_key_count);
1565 
1566 	special_enc = key_conf->cipher == WL1271_CIPHER_SUITE_GEM ||
1567 		      key_conf->cipher == WLAN_CIPHER_SUITE_TKIP;
1568 
1569 	ret = wlcore_set_key(wl, cmd, vif, sta, key_conf);
1570 	if (ret < 0)
1571 		goto out;
1572 
1573 	/*
1574 	 * when adding the first or removing the last GEM/TKIP key,
1575 	 * we have to adjust the number of spare blocks.
1576 	 */
1577 	if (special_enc) {
1578 		if (cmd == SET_KEY) {
1579 			/* first key */
1580 			change_spare = (priv->extra_spare_key_count == 0);
1581 			priv->extra_spare_key_count++;
1582 		} else if (cmd == DISABLE_KEY) {
1583 			/* last key */
1584 			change_spare = (priv->extra_spare_key_count == 1);
1585 			priv->extra_spare_key_count--;
1586 		}
1587 	}
1588 
1589 	wl1271_debug(DEBUG_CRYPT, "extra spare keys after: %d",
1590 		     priv->extra_spare_key_count);
1591 
1592 	if (!change_spare)
1593 		goto out;
1594 
1595 	/* key is now set, change the spare blocks */
1596 	if (priv->extra_spare_key_count)
1597 		ret = wl18xx_set_host_cfg_bitmap(wl,
1598 					WL18XX_TX_HW_EXTRA_BLOCK_SPARE);
1599 	else
1600 		ret = wl18xx_set_host_cfg_bitmap(wl,
1601 					WL18XX_TX_HW_BLOCK_SPARE);
1602 
1603 out:
1604 	return ret;
1605 }
1606 
1607 static u32 wl18xx_pre_pkt_send(struct wl1271 *wl,
1608 			       u32 buf_offset, u32 last_len)
1609 {
1610 	if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME) {
1611 		struct wl1271_tx_hw_descr *last_desc;
1612 
1613 		/* get the last TX HW descriptor written to the aggr buf */
1614 		last_desc = (struct wl1271_tx_hw_descr *)(wl->aggr_buf +
1615 							buf_offset - last_len);
1616 
1617 		/* the last frame is padded up to an SDIO block */
1618 		last_desc->wl18xx_mem.ctrl &= ~WL18XX_TX_CTRL_NOT_PADDED;
1619 		return ALIGN(buf_offset, WL12XX_BUS_BLOCK_SIZE);
1620 	}
1621 
1622 	/* no modifications */
1623 	return buf_offset;
1624 }
1625 
1626 static void wl18xx_sta_rc_update(struct wl1271 *wl,
1627 				 struct wl12xx_vif *wlvif)
1628 {
1629 	bool wide = wlvif->rc_update_bw >= IEEE80211_STA_RX_BW_40;
1630 
1631 	wl1271_debug(DEBUG_MAC80211, "mac80211 sta_rc_update wide %d", wide);
1632 
1633 	/* sanity */
1634 	if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS))
1635 		return;
1636 
1637 	/* ignore the change before association */
1638 	if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
1639 		return;
1640 
1641 	/*
1642 	 * If we started out as wide, we can change the operation mode. If we
1643 	 * thought this was a 20mhz AP, we have to reconnect
1644 	 */
1645 	if (wlvif->sta.role_chan_type == NL80211_CHAN_HT40MINUS ||
1646 	    wlvif->sta.role_chan_type == NL80211_CHAN_HT40PLUS)
1647 		wl18xx_acx_peer_ht_operation_mode(wl, wlvif->sta.hlid, wide);
1648 	else
1649 		ieee80211_connection_loss(wl12xx_wlvif_to_vif(wlvif));
1650 }
1651 
1652 static int wl18xx_set_peer_cap(struct wl1271 *wl,
1653 			       struct ieee80211_sta_ht_cap *ht_cap,
1654 			       bool allow_ht_operation,
1655 			       u32 rate_set, u8 hlid)
1656 {
1657 	return wl18xx_acx_set_peer_cap(wl, ht_cap, allow_ht_operation,
1658 				       rate_set, hlid);
1659 }
1660 
1661 static bool wl18xx_lnk_high_prio(struct wl1271 *wl, u8 hlid,
1662 				 struct wl1271_link *lnk)
1663 {
1664 	u8 thold;
1665 	struct wl18xx_fw_status_priv *status_priv =
1666 		(struct wl18xx_fw_status_priv *)wl->fw_status->priv;
1667 	unsigned long suspend_bitmap;
1668 
1669 	/* if we don't have the link map yet, assume they all low prio */
1670 	if (!status_priv)
1671 		return false;
1672 
1673 	/* suspended links are never high priority */
1674 	suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
1675 	if (test_bit(hlid, &suspend_bitmap))
1676 		return false;
1677 
1678 	/* the priority thresholds are taken from FW */
1679 	if (test_bit(hlid, &wl->fw_fast_lnk_map) &&
1680 	    !test_bit(hlid, &wl->ap_fw_ps_map))
1681 		thold = status_priv->tx_fast_link_prio_threshold;
1682 	else
1683 		thold = status_priv->tx_slow_link_prio_threshold;
1684 
1685 	return lnk->allocated_pkts < thold;
1686 }
1687 
1688 static bool wl18xx_lnk_low_prio(struct wl1271 *wl, u8 hlid,
1689 				struct wl1271_link *lnk)
1690 {
1691 	u8 thold;
1692 	struct wl18xx_fw_status_priv *status_priv =
1693 		(struct wl18xx_fw_status_priv *)wl->fw_status->priv;
1694 	unsigned long suspend_bitmap;
1695 
1696 	/* if we don't have the link map yet, assume they all low prio */
1697 	if (!status_priv)
1698 		return true;
1699 
1700 	suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
1701 	if (test_bit(hlid, &suspend_bitmap))
1702 		thold = status_priv->tx_suspend_threshold;
1703 	else if (test_bit(hlid, &wl->fw_fast_lnk_map) &&
1704 		 !test_bit(hlid, &wl->ap_fw_ps_map))
1705 		thold = status_priv->tx_fast_stop_threshold;
1706 	else
1707 		thold = status_priv->tx_slow_stop_threshold;
1708 
1709 	return lnk->allocated_pkts < thold;
1710 }
1711 
1712 static u32 wl18xx_convert_hwaddr(struct wl1271 *wl, u32 hwaddr)
1713 {
1714 	return hwaddr & ~0x80000000;
1715 }
1716 
1717 static int wl18xx_setup(struct wl1271 *wl);
1718 
1719 static struct wlcore_ops wl18xx_ops = {
1720 	.setup		= wl18xx_setup,
1721 	.identify_chip	= wl18xx_identify_chip,
1722 	.boot		= wl18xx_boot,
1723 	.plt_init	= wl18xx_plt_init,
1724 	.trigger_cmd	= wl18xx_trigger_cmd,
1725 	.ack_event	= wl18xx_ack_event,
1726 	.wait_for_event	= wl18xx_wait_for_event,
1727 	.process_mailbox_events = wl18xx_process_mailbox_events,
1728 	.calc_tx_blocks = wl18xx_calc_tx_blocks,
1729 	.set_tx_desc_blocks = wl18xx_set_tx_desc_blocks,
1730 	.set_tx_desc_data_len = wl18xx_set_tx_desc_data_len,
1731 	.get_rx_buf_align = wl18xx_get_rx_buf_align,
1732 	.get_rx_packet_len = wl18xx_get_rx_packet_len,
1733 	.tx_immediate_compl = wl18xx_tx_immediate_completion,
1734 	.tx_delayed_compl = NULL,
1735 	.hw_init	= wl18xx_hw_init,
1736 	.convert_fw_status = wl18xx_convert_fw_status,
1737 	.set_tx_desc_csum = wl18xx_set_tx_desc_csum,
1738 	.get_pg_ver	= wl18xx_get_pg_ver,
1739 	.set_rx_csum = wl18xx_set_rx_csum,
1740 	.sta_get_ap_rate_mask = wl18xx_sta_get_ap_rate_mask,
1741 	.ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask,
1742 	.get_mac	= wl18xx_get_mac,
1743 	.debugfs_init	= wl18xx_debugfs_add_files,
1744 	.scan_start	= wl18xx_scan_start,
1745 	.scan_stop	= wl18xx_scan_stop,
1746 	.sched_scan_start	= wl18xx_sched_scan_start,
1747 	.sched_scan_stop	= wl18xx_scan_sched_scan_stop,
1748 	.handle_static_data	= wl18xx_handle_static_data,
1749 	.get_spare_blocks = wl18xx_get_spare_blocks,
1750 	.set_key	= wl18xx_set_key,
1751 	.channel_switch	= wl18xx_cmd_channel_switch,
1752 	.pre_pkt_send	= wl18xx_pre_pkt_send,
1753 	.sta_rc_update	= wl18xx_sta_rc_update,
1754 	.set_peer_cap	= wl18xx_set_peer_cap,
1755 	.convert_hwaddr = wl18xx_convert_hwaddr,
1756 	.lnk_high_prio	= wl18xx_lnk_high_prio,
1757 	.lnk_low_prio	= wl18xx_lnk_low_prio,
1758 	.smart_config_start = wl18xx_cmd_smart_config_start,
1759 	.smart_config_stop  = wl18xx_cmd_smart_config_stop,
1760 	.smart_config_set_group_key = wl18xx_cmd_smart_config_set_group_key,
1761 	.interrupt_notify = wl18xx_acx_interrupt_notify_config,
1762 	.rx_ba_filter	= wl18xx_acx_rx_ba_filter,
1763 	.ap_sleep	= wl18xx_acx_ap_sleep,
1764 	.set_cac	= wl18xx_cmd_set_cac,
1765 	.dfs_master_restart	= wl18xx_cmd_dfs_master_restart,
1766 };
1767 
1768 /* HT cap appropriate for wide channels in 2Ghz */
1769 static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_2ghz = {
1770 	.cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
1771 	       IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_DSSSCCK40 |
1772 	       IEEE80211_HT_CAP_GRN_FLD,
1773 	.ht_supported = true,
1774 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1775 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1776 	.mcs = {
1777 		.rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1778 		.rx_highest = cpu_to_le16(150),
1779 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1780 		},
1781 };
1782 
1783 /* HT cap appropriate for wide channels in 5Ghz */
1784 static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_5ghz = {
1785 	.cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
1786 	       IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
1787 	       IEEE80211_HT_CAP_GRN_FLD,
1788 	.ht_supported = true,
1789 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1790 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1791 	.mcs = {
1792 		.rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1793 		.rx_highest = cpu_to_le16(150),
1794 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1795 		},
1796 };
1797 
1798 /* HT cap appropriate for SISO 20 */
1799 static struct ieee80211_sta_ht_cap wl18xx_siso20_ht_cap = {
1800 	.cap = IEEE80211_HT_CAP_SGI_20 |
1801 	       IEEE80211_HT_CAP_GRN_FLD,
1802 	.ht_supported = true,
1803 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1804 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1805 	.mcs = {
1806 		.rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1807 		.rx_highest = cpu_to_le16(72),
1808 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1809 		},
1810 };
1811 
1812 /* HT cap appropriate for MIMO rates in 20mhz channel */
1813 static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap_2ghz = {
1814 	.cap = IEEE80211_HT_CAP_SGI_20 |
1815 	       IEEE80211_HT_CAP_GRN_FLD,
1816 	.ht_supported = true,
1817 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1818 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1819 	.mcs = {
1820 		.rx_mask = { 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, },
1821 		.rx_highest = cpu_to_le16(144),
1822 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1823 		},
1824 };
1825 
1826 static const struct ieee80211_iface_limit wl18xx_iface_limits[] = {
1827 	{
1828 		.max = 2,
1829 		.types = BIT(NL80211_IFTYPE_STATION),
1830 	},
1831 	{
1832 		.max = 1,
1833 		.types =   BIT(NL80211_IFTYPE_AP)
1834 			 | BIT(NL80211_IFTYPE_P2P_GO)
1835 			 | BIT(NL80211_IFTYPE_P2P_CLIENT)
1836 #ifdef CONFIG_MAC80211_MESH
1837 			 | BIT(NL80211_IFTYPE_MESH_POINT)
1838 #endif
1839 	},
1840 	{
1841 		.max = 1,
1842 		.types = BIT(NL80211_IFTYPE_P2P_DEVICE),
1843 	},
1844 };
1845 
1846 static const struct ieee80211_iface_limit wl18xx_iface_ap_limits[] = {
1847 	{
1848 		.max = 2,
1849 		.types = BIT(NL80211_IFTYPE_AP),
1850 	},
1851 #ifdef CONFIG_MAC80211_MESH
1852 	{
1853 		.max = 1,
1854 		.types = BIT(NL80211_IFTYPE_MESH_POINT),
1855 	},
1856 #endif
1857 	{
1858 		.max = 1,
1859 		.types = BIT(NL80211_IFTYPE_P2P_DEVICE),
1860 	},
1861 };
1862 
1863 static const struct ieee80211_iface_limit wl18xx_iface_ap_cl_limits[] = {
1864 	{
1865 		.max = 1,
1866 		.types = BIT(NL80211_IFTYPE_STATION),
1867 	},
1868 	{
1869 		.max = 1,
1870 		.types = BIT(NL80211_IFTYPE_AP),
1871 	},
1872 	{
1873 		.max = 1,
1874 		.types = BIT(NL80211_IFTYPE_P2P_CLIENT),
1875 	},
1876 	{
1877 		.max = 1,
1878 		.types = BIT(NL80211_IFTYPE_P2P_DEVICE),
1879 	},
1880 };
1881 
1882 static const struct ieee80211_iface_limit wl18xx_iface_ap_go_limits[] = {
1883 	{
1884 		.max = 1,
1885 		.types = BIT(NL80211_IFTYPE_STATION),
1886 	},
1887 	{
1888 		.max = 1,
1889 		.types = BIT(NL80211_IFTYPE_AP),
1890 	},
1891 	{
1892 		.max = 1,
1893 		.types = BIT(NL80211_IFTYPE_P2P_GO),
1894 	},
1895 	{
1896 		.max = 1,
1897 		.types = BIT(NL80211_IFTYPE_P2P_DEVICE),
1898 	},
1899 };
1900 
1901 static const struct ieee80211_iface_combination
1902 wl18xx_iface_combinations[] = {
1903 	{
1904 		.max_interfaces = 3,
1905 		.limits = wl18xx_iface_limits,
1906 		.n_limits = ARRAY_SIZE(wl18xx_iface_limits),
1907 		.num_different_channels = 2,
1908 	},
1909 	{
1910 		.max_interfaces = 2,
1911 		.limits = wl18xx_iface_ap_limits,
1912 		.n_limits = ARRAY_SIZE(wl18xx_iface_ap_limits),
1913 		.num_different_channels = 1,
1914 		.radar_detect_widths =	BIT(NL80211_CHAN_NO_HT) |
1915 					BIT(NL80211_CHAN_HT20) |
1916 					BIT(NL80211_CHAN_HT40MINUS) |
1917 					BIT(NL80211_CHAN_HT40PLUS),
1918 	}
1919 };
1920 
1921 static int wl18xx_setup(struct wl1271 *wl)
1922 {
1923 	struct wl18xx_priv *priv = wl->priv;
1924 	int ret;
1925 
1926 	BUILD_BUG_ON(WL18XX_MAX_LINKS > WLCORE_MAX_LINKS);
1927 	BUILD_BUG_ON(WL18XX_MAX_AP_STATIONS > WL18XX_MAX_LINKS);
1928 	BUILD_BUG_ON(WL18XX_CONF_SG_PARAMS_MAX > WLCORE_CONF_SG_PARAMS_MAX);
1929 
1930 	wl->rtable = wl18xx_rtable;
1931 	wl->num_tx_desc = WL18XX_NUM_TX_DESCRIPTORS;
1932 	wl->num_rx_desc = WL18XX_NUM_RX_DESCRIPTORS;
1933 	wl->num_links = WL18XX_MAX_LINKS;
1934 	wl->max_ap_stations = WL18XX_MAX_AP_STATIONS;
1935 	wl->iface_combinations = wl18xx_iface_combinations;
1936 	wl->n_iface_combinations = ARRAY_SIZE(wl18xx_iface_combinations);
1937 	wl->num_mac_addr = WL18XX_NUM_MAC_ADDRESSES;
1938 	wl->band_rate_to_idx = wl18xx_band_rate_to_idx;
1939 	wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX;
1940 	wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0;
1941 	wl->fw_status_len = sizeof(struct wl18xx_fw_status);
1942 	wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv);
1943 	wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics);
1944 	wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv);
1945 
1946 	if (num_rx_desc_param != -1)
1947 		wl->num_rx_desc = num_rx_desc_param;
1948 
1949 	ret = wl18xx_conf_init(wl, wl->dev);
1950 	if (ret < 0)
1951 		return ret;
1952 
1953 	/* If the module param is set, update it in conf */
1954 	if (board_type_param) {
1955 		if (!strcmp(board_type_param, "fpga")) {
1956 			priv->conf.phy.board_type = BOARD_TYPE_FPGA_18XX;
1957 		} else if (!strcmp(board_type_param, "hdk")) {
1958 			priv->conf.phy.board_type = BOARD_TYPE_HDK_18XX;
1959 		} else if (!strcmp(board_type_param, "dvp")) {
1960 			priv->conf.phy.board_type = BOARD_TYPE_DVP_18XX;
1961 		} else if (!strcmp(board_type_param, "evb")) {
1962 			priv->conf.phy.board_type = BOARD_TYPE_EVB_18XX;
1963 		} else if (!strcmp(board_type_param, "com8")) {
1964 			priv->conf.phy.board_type = BOARD_TYPE_COM8_18XX;
1965 		} else {
1966 			wl1271_error("invalid board type '%s'",
1967 				board_type_param);
1968 			return -EINVAL;
1969 		}
1970 	}
1971 
1972 	if (priv->conf.phy.board_type >= NUM_BOARD_TYPES) {
1973 		wl1271_error("invalid board type '%d'",
1974 			priv->conf.phy.board_type);
1975 		return -EINVAL;
1976 	}
1977 
1978 	if (low_band_component_param != -1)
1979 		priv->conf.phy.low_band_component = low_band_component_param;
1980 	if (low_band_component_type_param != -1)
1981 		priv->conf.phy.low_band_component_type =
1982 			low_band_component_type_param;
1983 	if (high_band_component_param != -1)
1984 		priv->conf.phy.high_band_component = high_band_component_param;
1985 	if (high_band_component_type_param != -1)
1986 		priv->conf.phy.high_band_component_type =
1987 			high_band_component_type_param;
1988 	if (pwr_limit_reference_11_abg_param != -1)
1989 		priv->conf.phy.pwr_limit_reference_11_abg =
1990 			pwr_limit_reference_11_abg_param;
1991 	if (n_antennas_2_param != -1)
1992 		priv->conf.phy.number_of_assembled_ant2_4 = n_antennas_2_param;
1993 	if (n_antennas_5_param != -1)
1994 		priv->conf.phy.number_of_assembled_ant5 = n_antennas_5_param;
1995 	if (dc2dc_param != -1)
1996 		priv->conf.phy.external_pa_dc2dc = dc2dc_param;
1997 
1998 	if (ht_mode_param) {
1999 		if (!strcmp(ht_mode_param, "default"))
2000 			priv->conf.ht.mode = HT_MODE_DEFAULT;
2001 		else if (!strcmp(ht_mode_param, "wide"))
2002 			priv->conf.ht.mode = HT_MODE_WIDE;
2003 		else if (!strcmp(ht_mode_param, "siso20"))
2004 			priv->conf.ht.mode = HT_MODE_SISO20;
2005 		else {
2006 			wl1271_error("invalid ht_mode '%s'", ht_mode_param);
2007 			return -EINVAL;
2008 		}
2009 	}
2010 
2011 	if (priv->conf.ht.mode == HT_MODE_DEFAULT) {
2012 		/*
2013 		 * Only support mimo with multiple antennas. Fall back to
2014 		 * siso40.
2015 		 */
2016 		if (wl18xx_is_mimo_supported(wl))
2017 			wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
2018 					  &wl18xx_mimo_ht_cap_2ghz);
2019 		else
2020 			wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
2021 					  &wl18xx_siso40_ht_cap_2ghz);
2022 
2023 		/* 5Ghz is always wide */
2024 		wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ,
2025 				  &wl18xx_siso40_ht_cap_5ghz);
2026 	} else if (priv->conf.ht.mode == HT_MODE_WIDE) {
2027 		wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
2028 				  &wl18xx_siso40_ht_cap_2ghz);
2029 		wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ,
2030 				  &wl18xx_siso40_ht_cap_5ghz);
2031 	} else if (priv->conf.ht.mode == HT_MODE_SISO20) {
2032 		wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
2033 				  &wl18xx_siso20_ht_cap);
2034 		wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ,
2035 				  &wl18xx_siso20_ht_cap);
2036 	}
2037 
2038 	if (!checksum_param) {
2039 		wl18xx_ops.set_rx_csum = NULL;
2040 		wl18xx_ops.init_vif = NULL;
2041 	}
2042 
2043 	/* Enable 11a Band only if we have 5G antennas */
2044 	wl->enable_11a = (priv->conf.phy.number_of_assembled_ant5 != 0);
2045 
2046 	return 0;
2047 }
2048 
2049 static int wl18xx_probe(struct platform_device *pdev)
2050 {
2051 	struct wl1271 *wl;
2052 	struct ieee80211_hw *hw;
2053 	int ret;
2054 
2055 	hw = wlcore_alloc_hw(sizeof(struct wl18xx_priv),
2056 			     WL18XX_AGGR_BUFFER_SIZE,
2057 			     sizeof(struct wl18xx_event_mailbox));
2058 	if (IS_ERR(hw)) {
2059 		wl1271_error("can't allocate hw");
2060 		ret = PTR_ERR(hw);
2061 		goto out;
2062 	}
2063 
2064 	wl = hw->priv;
2065 	wl->ops = &wl18xx_ops;
2066 	wl->ptable = wl18xx_ptable;
2067 	ret = wlcore_probe(wl, pdev);
2068 	if (ret)
2069 		goto out_free;
2070 
2071 	return ret;
2072 
2073 out_free:
2074 	wlcore_free_hw(wl);
2075 out:
2076 	return ret;
2077 }
2078 
2079 static const struct platform_device_id wl18xx_id_table[] = {
2080 	{ "wl18xx", 0 },
2081 	{  } /* Terminating Entry */
2082 };
2083 MODULE_DEVICE_TABLE(platform, wl18xx_id_table);
2084 
2085 static struct platform_driver wl18xx_driver = {
2086 	.probe		= wl18xx_probe,
2087 	.remove		= wlcore_remove,
2088 	.id_table	= wl18xx_id_table,
2089 	.driver = {
2090 		.name	= "wl18xx_driver",
2091 	}
2092 };
2093 
2094 module_platform_driver(wl18xx_driver);
2095 module_param_named(ht_mode, ht_mode_param, charp, S_IRUSR);
2096 MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or siso20");
2097 
2098 module_param_named(board_type, board_type_param, charp, S_IRUSR);
2099 MODULE_PARM_DESC(board_type, "Board type: fpga, hdk (default), evb, com8 or "
2100 		 "dvp");
2101 
2102 module_param_named(checksum, checksum_param, bool, S_IRUSR);
2103 MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to false)");
2104 
2105 module_param_named(dc2dc, dc2dc_param, int, S_IRUSR);
2106 MODULE_PARM_DESC(dc2dc, "External DC2DC: u8 (defaults to 0)");
2107 
2108 module_param_named(n_antennas_2, n_antennas_2_param, int, S_IRUSR);
2109 MODULE_PARM_DESC(n_antennas_2,
2110 		 "Number of installed 2.4GHz antennas: 1 (default) or 2");
2111 
2112 module_param_named(n_antennas_5, n_antennas_5_param, int, S_IRUSR);
2113 MODULE_PARM_DESC(n_antennas_5,
2114 		 "Number of installed 5GHz antennas: 1 (default) or 2");
2115 
2116 module_param_named(low_band_component, low_band_component_param, int,
2117 		   S_IRUSR);
2118 MODULE_PARM_DESC(low_band_component, "Low band component: u8 "
2119 		 "(default is 0x01)");
2120 
2121 module_param_named(low_band_component_type, low_band_component_type_param,
2122 		   int, S_IRUSR);
2123 MODULE_PARM_DESC(low_band_component_type, "Low band component type: u8 "
2124 		 "(default is 0x05 or 0x06 depending on the board_type)");
2125 
2126 module_param_named(high_band_component, high_band_component_param, int,
2127 		   S_IRUSR);
2128 MODULE_PARM_DESC(high_band_component, "High band component: u8, "
2129 		 "(default is 0x01)");
2130 
2131 module_param_named(high_band_component_type, high_band_component_type_param,
2132 		   int, S_IRUSR);
2133 MODULE_PARM_DESC(high_band_component_type, "High band component type: u8 "
2134 		 "(default is 0x09)");
2135 
2136 module_param_named(pwr_limit_reference_11_abg,
2137 		   pwr_limit_reference_11_abg_param, int, S_IRUSR);
2138 MODULE_PARM_DESC(pwr_limit_reference_11_abg, "Power limit reference: u8 "
2139 		 "(default is 0xc8)");
2140 
2141 module_param_named(num_rx_desc,
2142 		   num_rx_desc_param, int, S_IRUSR);
2143 MODULE_PARM_DESC(num_rx_desc_param,
2144 		 "Number of Rx descriptors: u8 (default is 32)");
2145 
2146 MODULE_LICENSE("GPL v2");
2147 MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
2148 MODULE_FIRMWARE(WL18XX_FW_NAME);
2149