xref: /openbmc/linux/drivers/net/wireless/ti/wl18xx/main.c (revision e5c86679)
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 	} else {
797 		ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_SWALLOW_EN,
798 					   PLLSH_WCS_PLL_SWALLOW_EN_VAL2);
799 	}
800 
801 	/* choose WCS PLL */
802 	ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_SEL,
803 				   PLLSH_WL_PLL_SEL_WCS_PLL);
804 	if (ret < 0)
805 		goto out;
806 
807 	/* enable both PLLs */
808 	ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL1);
809 	if (ret < 0)
810 		goto out;
811 
812 	udelay(1000);
813 
814 	/* disable coex PLL */
815 	ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL2);
816 	if (ret < 0)
817 		goto out;
818 
819 	/* reset the swallowing logic */
820 	ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN,
821 				   PLLSH_COEX_PLL_SWALLOW_EN_VAL2);
822 	if (ret < 0)
823 		goto out;
824 
825 out:
826 	return ret;
827 }
828 
829 static int wl18xx_boot_soft_reset(struct wl1271 *wl)
830 {
831 	int ret;
832 
833 	/* disable Rx/Tx */
834 	ret = wlcore_write32(wl, WL18XX_ENABLE, 0x0);
835 	if (ret < 0)
836 		goto out;
837 
838 	/* disable auto calibration on start*/
839 	ret = wlcore_write32(wl, WL18XX_SPARE_A2, 0xffff);
840 
841 out:
842 	return ret;
843 }
844 
845 static int wl18xx_pre_boot(struct wl1271 *wl)
846 {
847 	int ret;
848 
849 	ret = wl18xx_set_clk(wl);
850 	if (ret < 0)
851 		goto out;
852 
853 	/* Continue the ELP wake up sequence */
854 	ret = wlcore_write32(wl, WL18XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
855 	if (ret < 0)
856 		goto out;
857 
858 	udelay(500);
859 
860 	ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
861 	if (ret < 0)
862 		goto out;
863 
864 	/* Disable interrupts */
865 	ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
866 	if (ret < 0)
867 		goto out;
868 
869 	ret = wl18xx_boot_soft_reset(wl);
870 
871 out:
872 	return ret;
873 }
874 
875 static int wl18xx_pre_upload(struct wl1271 *wl)
876 {
877 	u32 tmp;
878 	int ret;
879 	u16 irq_invert;
880 
881 	BUILD_BUG_ON(sizeof(struct wl18xx_mac_and_phy_params) >
882 		WL18XX_PHY_INIT_MEM_SIZE);
883 
884 	ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
885 	if (ret < 0)
886 		goto out;
887 
888 	/* TODO: check if this is all needed */
889 	ret = wlcore_write32(wl, WL18XX_EEPROMLESS_IND, WL18XX_EEPROMLESS_IND);
890 	if (ret < 0)
891 		goto out;
892 
893 	ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &tmp);
894 	if (ret < 0)
895 		goto out;
896 
897 	wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
898 
899 	ret = wlcore_read32(wl, WL18XX_SCR_PAD2, &tmp);
900 	if (ret < 0)
901 		goto out;
902 
903 	/*
904 	 * Workaround for FDSP code RAM corruption (needed for PG2.1
905 	 * and newer; for older chips it's a NOP).  Change FDSP clock
906 	 * settings so that it's muxed to the ATGP clock instead of
907 	 * its own clock.
908 	 */
909 
910 	ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
911 	if (ret < 0)
912 		goto out;
913 
914 	/* disable FDSP clock */
915 	ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
916 			     MEM_FDSP_CLK_120_DISABLE);
917 	if (ret < 0)
918 		goto out;
919 
920 	/* set ATPG clock toward FDSP Code RAM rather than its own clock */
921 	ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
922 			     MEM_FDSP_CODERAM_FUNC_CLK_SEL);
923 	if (ret < 0)
924 		goto out;
925 
926 	/* re-enable FDSP clock */
927 	ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
928 			     MEM_FDSP_CLK_120_ENABLE);
929 	if (ret < 0)
930 		goto out;
931 
932 	ret = irq_get_trigger_type(wl->irq);
933 	if ((ret == IRQ_TYPE_LEVEL_LOW) || (ret == IRQ_TYPE_EDGE_FALLING)) {
934 		wl1271_info("using inverted interrupt logic: %d", ret);
935 		ret = wlcore_set_partition(wl,
936 					   &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
937 		if (ret < 0)
938 			goto out;
939 
940 		ret = wl18xx_top_reg_read(wl, TOP_FN0_CCCR_REG_32, &irq_invert);
941 		if (ret < 0)
942 			goto out;
943 
944 		irq_invert |= BIT(1);
945 		ret = wl18xx_top_reg_write(wl, TOP_FN0_CCCR_REG_32, irq_invert);
946 		if (ret < 0)
947 			goto out;
948 
949 		ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
950 	}
951 
952 out:
953 	return ret;
954 }
955 
956 static int wl18xx_set_mac_and_phy(struct wl1271 *wl)
957 {
958 	struct wl18xx_priv *priv = wl->priv;
959 	struct wl18xx_mac_and_phy_params *params;
960 	int ret;
961 
962 	params = kmemdup(&priv->conf.phy, sizeof(*params), GFP_KERNEL);
963 	if (!params) {
964 		ret = -ENOMEM;
965 		goto out;
966 	}
967 
968 	ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
969 	if (ret < 0)
970 		goto out;
971 
972 	ret = wlcore_write(wl, WL18XX_PHY_INIT_MEM_ADDR, params,
973 			   sizeof(*params), false);
974 
975 out:
976 	kfree(params);
977 	return ret;
978 }
979 
980 static int wl18xx_enable_interrupts(struct wl1271 *wl)
981 {
982 	u32 event_mask, intr_mask;
983 	int ret;
984 
985 	event_mask = WL18XX_ACX_EVENTS_VECTOR;
986 	intr_mask = WL18XX_INTR_MASK;
987 
988 	ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, event_mask);
989 	if (ret < 0)
990 		goto out;
991 
992 	wlcore_enable_interrupts(wl);
993 
994 	ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK,
995 			       WL1271_ACX_INTR_ALL & ~intr_mask);
996 	if (ret < 0)
997 		goto disable_interrupts;
998 
999 	return ret;
1000 
1001 disable_interrupts:
1002 	wlcore_disable_interrupts(wl);
1003 
1004 out:
1005 	return ret;
1006 }
1007 
1008 static int wl18xx_boot(struct wl1271 *wl)
1009 {
1010 	int ret;
1011 
1012 	ret = wl18xx_pre_boot(wl);
1013 	if (ret < 0)
1014 		goto out;
1015 
1016 	ret = wl18xx_pre_upload(wl);
1017 	if (ret < 0)
1018 		goto out;
1019 
1020 	ret = wlcore_boot_upload_firmware(wl);
1021 	if (ret < 0)
1022 		goto out;
1023 
1024 	ret = wl18xx_set_mac_and_phy(wl);
1025 	if (ret < 0)
1026 		goto out;
1027 
1028 	wl->event_mask = BSS_LOSS_EVENT_ID |
1029 		SCAN_COMPLETE_EVENT_ID |
1030 		RADAR_DETECTED_EVENT_ID |
1031 		RSSI_SNR_TRIGGER_0_EVENT_ID |
1032 		PERIODIC_SCAN_COMPLETE_EVENT_ID |
1033 		PERIODIC_SCAN_REPORT_EVENT_ID |
1034 		DUMMY_PACKET_EVENT_ID |
1035 		PEER_REMOVE_COMPLETE_EVENT_ID |
1036 		BA_SESSION_RX_CONSTRAINT_EVENT_ID |
1037 		REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID |
1038 		INACTIVE_STA_EVENT_ID |
1039 		CHANNEL_SWITCH_COMPLETE_EVENT_ID |
1040 		DFS_CHANNELS_CONFIG_COMPLETE_EVENT |
1041 		SMART_CONFIG_SYNC_EVENT_ID |
1042 		SMART_CONFIG_DECODE_EVENT_ID |
1043 		TIME_SYNC_EVENT_ID |
1044 		FW_LOGGER_INDICATION |
1045 		RX_BA_WIN_SIZE_CHANGE_EVENT_ID;
1046 
1047 	wl->ap_event_mask = MAX_TX_FAILURE_EVENT_ID;
1048 
1049 	ret = wlcore_boot_run_firmware(wl);
1050 	if (ret < 0)
1051 		goto out;
1052 
1053 	ret = wl18xx_enable_interrupts(wl);
1054 
1055 out:
1056 	return ret;
1057 }
1058 
1059 static int wl18xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr,
1060 			       void *buf, size_t len)
1061 {
1062 	struct wl18xx_priv *priv = wl->priv;
1063 
1064 	memcpy(priv->cmd_buf, buf, len);
1065 	memset(priv->cmd_buf + len, 0, WL18XX_CMD_MAX_SIZE - len);
1066 
1067 	return wlcore_write(wl, cmd_box_addr, priv->cmd_buf,
1068 			    WL18XX_CMD_MAX_SIZE, false);
1069 }
1070 
1071 static int wl18xx_ack_event(struct wl1271 *wl)
1072 {
1073 	return wlcore_write_reg(wl, REG_INTERRUPT_TRIG,
1074 				WL18XX_INTR_TRIG_EVENT_ACK);
1075 }
1076 
1077 static u32 wl18xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks)
1078 {
1079 	u32 blk_size = WL18XX_TX_HW_BLOCK_SIZE;
1080 	return (len + blk_size - 1) / blk_size + spare_blks;
1081 }
1082 
1083 static void
1084 wl18xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1085 			  u32 blks, u32 spare_blks)
1086 {
1087 	desc->wl18xx_mem.total_mem_blocks = blks;
1088 }
1089 
1090 static void
1091 wl18xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1092 			    struct sk_buff *skb)
1093 {
1094 	desc->length = cpu_to_le16(skb->len);
1095 
1096 	/* if only the last frame is to be padded, we unset this bit on Tx */
1097 	if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME)
1098 		desc->wl18xx_mem.ctrl = WL18XX_TX_CTRL_NOT_PADDED;
1099 	else
1100 		desc->wl18xx_mem.ctrl = 0;
1101 
1102 	wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d "
1103 		     "len: %d life: %d mem: %d", desc->hlid,
1104 		     le16_to_cpu(desc->length),
1105 		     le16_to_cpu(desc->life_time),
1106 		     desc->wl18xx_mem.total_mem_blocks);
1107 }
1108 
1109 static enum wl_rx_buf_align
1110 wl18xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc)
1111 {
1112 	if (rx_desc & RX_BUF_PADDED_PAYLOAD)
1113 		return WLCORE_RX_BUF_PADDED;
1114 
1115 	return WLCORE_RX_BUF_ALIGNED;
1116 }
1117 
1118 static u32 wl18xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data,
1119 				    u32 data_len)
1120 {
1121 	struct wl1271_rx_descriptor *desc = rx_data;
1122 
1123 	/* invalid packet */
1124 	if (data_len < sizeof(*desc))
1125 		return 0;
1126 
1127 	return data_len - sizeof(*desc);
1128 }
1129 
1130 static void wl18xx_tx_immediate_completion(struct wl1271 *wl)
1131 {
1132 	wl18xx_tx_immediate_complete(wl);
1133 }
1134 
1135 static int wl18xx_set_host_cfg_bitmap(struct wl1271 *wl, u32 extra_mem_blk)
1136 {
1137 	int ret;
1138 	u32 sdio_align_size = 0;
1139 	u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE |
1140 			      HOST_IF_CFG_ADD_RX_ALIGNMENT;
1141 
1142 	/* Enable Tx SDIO padding */
1143 	if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) {
1144 		host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
1145 		sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
1146 	}
1147 
1148 	/* Enable Rx SDIO padding */
1149 	if (wl->quirks & WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN) {
1150 		host_cfg_bitmap |= HOST_IF_CFG_RX_PAD_TO_SDIO_BLK;
1151 		sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
1152 	}
1153 
1154 	ret = wl18xx_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap,
1155 					    sdio_align_size, extra_mem_blk,
1156 					    WL18XX_HOST_IF_LEN_SIZE_FIELD);
1157 	if (ret < 0)
1158 		return ret;
1159 
1160 	return 0;
1161 }
1162 
1163 static int wl18xx_hw_init(struct wl1271 *wl)
1164 {
1165 	int ret;
1166 	struct wl18xx_priv *priv = wl->priv;
1167 
1168 	/* (re)init private structures. Relevant on recovery as well. */
1169 	priv->last_fw_rls_idx = 0;
1170 	priv->extra_spare_key_count = 0;
1171 
1172 	/* set the default amount of spare blocks in the bitmap */
1173 	ret = wl18xx_set_host_cfg_bitmap(wl, WL18XX_TX_HW_BLOCK_SPARE);
1174 	if (ret < 0)
1175 		return ret;
1176 
1177 	/* set the dynamic fw traces bitmap */
1178 	ret = wl18xx_acx_dynamic_fw_traces(wl);
1179 	if (ret < 0)
1180 		return ret;
1181 
1182 	if (checksum_param) {
1183 		ret = wl18xx_acx_set_checksum_state(wl);
1184 		if (ret != 0)
1185 			return ret;
1186 	}
1187 
1188 	return ret;
1189 }
1190 
1191 static void wl18xx_convert_fw_status(struct wl1271 *wl, void *raw_fw_status,
1192 				     struct wl_fw_status *fw_status)
1193 {
1194 	struct wl18xx_fw_status *int_fw_status = raw_fw_status;
1195 
1196 	fw_status->intr = le32_to_cpu(int_fw_status->intr);
1197 	fw_status->fw_rx_counter = int_fw_status->fw_rx_counter;
1198 	fw_status->drv_rx_counter = int_fw_status->drv_rx_counter;
1199 	fw_status->tx_results_counter = int_fw_status->tx_results_counter;
1200 	fw_status->rx_pkt_descs = int_fw_status->rx_pkt_descs;
1201 
1202 	fw_status->fw_localtime = le32_to_cpu(int_fw_status->fw_localtime);
1203 	fw_status->link_ps_bitmap = le32_to_cpu(int_fw_status->link_ps_bitmap);
1204 	fw_status->link_fast_bitmap =
1205 			le32_to_cpu(int_fw_status->link_fast_bitmap);
1206 	fw_status->total_released_blks =
1207 			le32_to_cpu(int_fw_status->total_released_blks);
1208 	fw_status->tx_total = le32_to_cpu(int_fw_status->tx_total);
1209 
1210 	fw_status->counters.tx_released_pkts =
1211 			int_fw_status->counters.tx_released_pkts;
1212 	fw_status->counters.tx_lnk_free_pkts =
1213 			int_fw_status->counters.tx_lnk_free_pkts;
1214 	fw_status->counters.tx_voice_released_blks =
1215 			int_fw_status->counters.tx_voice_released_blks;
1216 	fw_status->counters.tx_last_rate =
1217 			int_fw_status->counters.tx_last_rate;
1218 	fw_status->counters.tx_last_rate_mbps =
1219 			int_fw_status->counters.tx_last_rate_mbps;
1220 	fw_status->counters.hlid =
1221 			int_fw_status->counters.hlid;
1222 
1223 	fw_status->log_start_addr = le32_to_cpu(int_fw_status->log_start_addr);
1224 
1225 	fw_status->priv = &int_fw_status->priv;
1226 }
1227 
1228 static void wl18xx_set_tx_desc_csum(struct wl1271 *wl,
1229 				    struct wl1271_tx_hw_descr *desc,
1230 				    struct sk_buff *skb)
1231 {
1232 	u32 ip_hdr_offset;
1233 	struct iphdr *ip_hdr;
1234 
1235 	if (!checksum_param) {
1236 		desc->wl18xx_checksum_data = 0;
1237 		return;
1238 	}
1239 
1240 	if (skb->ip_summed != CHECKSUM_PARTIAL) {
1241 		desc->wl18xx_checksum_data = 0;
1242 		return;
1243 	}
1244 
1245 	ip_hdr_offset = skb_network_header(skb) - skb_mac_header(skb);
1246 	if (WARN_ON(ip_hdr_offset >= (1<<7))) {
1247 		desc->wl18xx_checksum_data = 0;
1248 		return;
1249 	}
1250 
1251 	desc->wl18xx_checksum_data = ip_hdr_offset << 1;
1252 
1253 	/* FW is interested only in the LSB of the protocol  TCP=0 UDP=1 */
1254 	ip_hdr = (void *)skb_network_header(skb);
1255 	desc->wl18xx_checksum_data |= (ip_hdr->protocol & 0x01);
1256 }
1257 
1258 static void wl18xx_set_rx_csum(struct wl1271 *wl,
1259 			       struct wl1271_rx_descriptor *desc,
1260 			       struct sk_buff *skb)
1261 {
1262 	if (desc->status & WL18XX_RX_CHECKSUM_MASK)
1263 		skb->ip_summed = CHECKSUM_UNNECESSARY;
1264 }
1265 
1266 static bool wl18xx_is_mimo_supported(struct wl1271 *wl)
1267 {
1268 	struct wl18xx_priv *priv = wl->priv;
1269 
1270 	/* only support MIMO with multiple antennas, and when SISO
1271 	 * is not forced through config
1272 	 */
1273 	return (priv->conf.phy.number_of_assembled_ant2_4 >= 2) &&
1274 	       (priv->conf.ht.mode != HT_MODE_WIDE) &&
1275 	       (priv->conf.ht.mode != HT_MODE_SISO20);
1276 }
1277 
1278 /*
1279  * TODO: instead of having these two functions to get the rate mask,
1280  * we should modify the wlvif->rate_set instead
1281  */
1282 static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl,
1283 				       struct wl12xx_vif *wlvif)
1284 {
1285 	u32 hw_rate_set = wlvif->rate_set;
1286 
1287 	if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
1288 	    wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
1289 		wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
1290 		hw_rate_set |= CONF_TX_RATE_USE_WIDE_CHAN;
1291 
1292 		/* we don't support MIMO in wide-channel mode */
1293 		hw_rate_set &= ~CONF_TX_MIMO_RATES;
1294 	} else if (wl18xx_is_mimo_supported(wl)) {
1295 		wl1271_debug(DEBUG_ACX, "using MIMO channel rate mask");
1296 		hw_rate_set |= CONF_TX_MIMO_RATES;
1297 	}
1298 
1299 	return hw_rate_set;
1300 }
1301 
1302 static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl,
1303 					     struct wl12xx_vif *wlvif)
1304 {
1305 	if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
1306 	    wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
1307 		wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
1308 
1309 		/* sanity check - we don't support this */
1310 		if (WARN_ON(wlvif->band != NL80211_BAND_5GHZ))
1311 			return 0;
1312 
1313 		return CONF_TX_RATE_USE_WIDE_CHAN;
1314 	} else if (wl18xx_is_mimo_supported(wl) &&
1315 		   wlvif->band == NL80211_BAND_2GHZ) {
1316 		wl1271_debug(DEBUG_ACX, "using MIMO rate mask");
1317 		/*
1318 		 * we don't care about HT channel here - if a peer doesn't
1319 		 * support MIMO, we won't enable it in its rates
1320 		 */
1321 		return CONF_TX_MIMO_RATES;
1322 	} else {
1323 		return 0;
1324 	}
1325 }
1326 
1327 static const char *wl18xx_rdl_name(enum wl18xx_rdl_num rdl_num)
1328 {
1329 	switch (rdl_num) {
1330 	case RDL_1_HP:
1331 		return "183xH";
1332 	case RDL_2_SP:
1333 		return "183x or 180x";
1334 	case RDL_3_HP:
1335 		return "187xH";
1336 	case RDL_4_SP:
1337 		return "187x";
1338 	case RDL_5_SP:
1339 		return "RDL11 - Not Supported";
1340 	case RDL_6_SP:
1341 		return "180xD";
1342 	case RDL_7_SP:
1343 		return "RDL13 - Not Supported (1893Q)";
1344 	case RDL_8_SP:
1345 		return "18xxQ";
1346 	case RDL_NONE:
1347 		return "UNTRIMMED";
1348 	default:
1349 		return "UNKNOWN";
1350 	}
1351 }
1352 
1353 static int wl18xx_get_pg_ver(struct wl1271 *wl, s8 *ver)
1354 {
1355 	u32 fuse;
1356 	s8 rom = 0, metal = 0, pg_ver = 0, rdl_ver = 0, package_type = 0;
1357 	int ret;
1358 
1359 	ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
1360 	if (ret < 0)
1361 		goto out;
1362 
1363 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
1364 	if (ret < 0)
1365 		goto out;
1366 
1367 	package_type = (fuse >> WL18XX_PACKAGE_TYPE_OFFSET) & 1;
1368 
1369 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_1_3, &fuse);
1370 	if (ret < 0)
1371 		goto out;
1372 
1373 	pg_ver = (fuse & WL18XX_PG_VER_MASK) >> WL18XX_PG_VER_OFFSET;
1374 	rom = (fuse & WL18XX_ROM_VER_MASK) >> WL18XX_ROM_VER_OFFSET;
1375 
1376 	if ((rom <= 0xE) && (package_type == WL18XX_PACKAGE_TYPE_WSP))
1377 		metal = (fuse & WL18XX_METAL_VER_MASK) >>
1378 			WL18XX_METAL_VER_OFFSET;
1379 	else
1380 		metal = (fuse & WL18XX_NEW_METAL_VER_MASK) >>
1381 			WL18XX_NEW_METAL_VER_OFFSET;
1382 
1383 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
1384 	if (ret < 0)
1385 		goto out;
1386 
1387 	rdl_ver = (fuse & WL18XX_RDL_VER_MASK) >> WL18XX_RDL_VER_OFFSET;
1388 
1389 	wl1271_info("wl18xx HW: %s, PG %d.%d (ROM 0x%x)",
1390 		    wl18xx_rdl_name(rdl_ver), pg_ver, metal, rom);
1391 
1392 	if (ver)
1393 		*ver = pg_ver;
1394 
1395 	ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
1396 
1397 out:
1398 	return ret;
1399 }
1400 
1401 static int wl18xx_load_conf_file(struct device *dev, struct wlcore_conf *conf,
1402 				 struct wl18xx_priv_conf *priv_conf,
1403 				 const char *file)
1404 {
1405 	struct wlcore_conf_file *conf_file;
1406 	const struct firmware *fw;
1407 	int ret;
1408 
1409 	ret = request_firmware(&fw, file, dev);
1410 	if (ret < 0) {
1411 		wl1271_error("could not get configuration binary %s: %d",
1412 			     file, ret);
1413 		return ret;
1414 	}
1415 
1416 	if (fw->size != WL18XX_CONF_SIZE) {
1417 		wl1271_error("%s configuration binary size is wrong, expected %zu got %zu",
1418 			     file, WL18XX_CONF_SIZE, fw->size);
1419 		ret = -EINVAL;
1420 		goto out_release;
1421 	}
1422 
1423 	conf_file = (struct wlcore_conf_file *) fw->data;
1424 
1425 	if (conf_file->header.magic != cpu_to_le32(WL18XX_CONF_MAGIC)) {
1426 		wl1271_error("configuration binary file magic number mismatch, "
1427 			     "expected 0x%0x got 0x%0x", WL18XX_CONF_MAGIC,
1428 			     conf_file->header.magic);
1429 		ret = -EINVAL;
1430 		goto out_release;
1431 	}
1432 
1433 	if (conf_file->header.version != cpu_to_le32(WL18XX_CONF_VERSION)) {
1434 		wl1271_error("configuration binary file version not supported, "
1435 			     "expected 0x%08x got 0x%08x",
1436 			     WL18XX_CONF_VERSION, conf_file->header.version);
1437 		ret = -EINVAL;
1438 		goto out_release;
1439 	}
1440 
1441 	memcpy(conf, &conf_file->core, sizeof(*conf));
1442 	memcpy(priv_conf, &conf_file->priv, sizeof(*priv_conf));
1443 
1444 out_release:
1445 	release_firmware(fw);
1446 	return ret;
1447 }
1448 
1449 static int wl18xx_conf_init(struct wl1271 *wl, struct device *dev)
1450 {
1451 	struct platform_device *pdev = wl->pdev;
1452 	struct wlcore_platdev_data *pdata = dev_get_platdata(&pdev->dev);
1453 	struct wl18xx_priv *priv = wl->priv;
1454 
1455 	if (wl18xx_load_conf_file(dev, &wl->conf, &priv->conf,
1456 				  pdata->family->cfg_name) < 0) {
1457 		wl1271_warning("falling back to default config");
1458 
1459 		/* apply driver default configuration */
1460 		memcpy(&wl->conf, &wl18xx_conf, sizeof(wl->conf));
1461 		/* apply default private configuration */
1462 		memcpy(&priv->conf, &wl18xx_default_priv_conf,
1463 		       sizeof(priv->conf));
1464 	}
1465 
1466 	return 0;
1467 }
1468 
1469 static int wl18xx_plt_init(struct wl1271 *wl)
1470 {
1471 	int ret;
1472 
1473 	/* calibrator based auto/fem detect not supported for 18xx */
1474 	if (wl->plt_mode == PLT_FEM_DETECT) {
1475 		wl1271_error("wl18xx_plt_init: PLT FEM_DETECT not supported");
1476 		return -EINVAL;
1477 	}
1478 
1479 	ret = wlcore_write32(wl, WL18XX_SCR_PAD8, WL18XX_SCR_PAD8_PLT);
1480 	if (ret < 0)
1481 		return ret;
1482 
1483 	return wl->ops->boot(wl);
1484 }
1485 
1486 static int wl18xx_get_mac(struct wl1271 *wl)
1487 {
1488 	u32 mac1, mac2;
1489 	int ret;
1490 
1491 	ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
1492 	if (ret < 0)
1493 		goto out;
1494 
1495 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_1, &mac1);
1496 	if (ret < 0)
1497 		goto out;
1498 
1499 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_2, &mac2);
1500 	if (ret < 0)
1501 		goto out;
1502 
1503 	/* these are the two parts of the BD_ADDR */
1504 	wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
1505 		((mac1 & 0xff000000) >> 24);
1506 	wl->fuse_nic_addr = (mac1 & 0xffffff);
1507 
1508 	if (!wl->fuse_oui_addr && !wl->fuse_nic_addr) {
1509 		u8 mac[ETH_ALEN];
1510 
1511 		eth_random_addr(mac);
1512 
1513 		wl->fuse_oui_addr = (mac[0] << 16) + (mac[1] << 8) + mac[2];
1514 		wl->fuse_nic_addr = (mac[3] << 16) + (mac[4] << 8) + mac[5];
1515 		wl1271_warning("MAC address from fuse not available, using random locally administered addresses.");
1516 	}
1517 
1518 	ret = wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
1519 
1520 out:
1521 	return ret;
1522 }
1523 
1524 static int wl18xx_handle_static_data(struct wl1271 *wl,
1525 				     struct wl1271_static_data *static_data)
1526 {
1527 	struct wl18xx_static_data_priv *static_data_priv =
1528 		(struct wl18xx_static_data_priv *) static_data->priv;
1529 
1530 	strncpy(wl->chip.phy_fw_ver_str, static_data_priv->phy_version,
1531 		sizeof(wl->chip.phy_fw_ver_str));
1532 
1533 	/* make sure the string is NULL-terminated */
1534 	wl->chip.phy_fw_ver_str[sizeof(wl->chip.phy_fw_ver_str) - 1] = '\0';
1535 
1536 	wl1271_info("PHY firmware version: %s", static_data_priv->phy_version);
1537 
1538 	return 0;
1539 }
1540 
1541 static int wl18xx_get_spare_blocks(struct wl1271 *wl, bool is_gem)
1542 {
1543 	struct wl18xx_priv *priv = wl->priv;
1544 
1545 	/* If we have keys requiring extra spare, indulge them */
1546 	if (priv->extra_spare_key_count)
1547 		return WL18XX_TX_HW_EXTRA_BLOCK_SPARE;
1548 
1549 	return WL18XX_TX_HW_BLOCK_SPARE;
1550 }
1551 
1552 static int wl18xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
1553 			  struct ieee80211_vif *vif,
1554 			  struct ieee80211_sta *sta,
1555 			  struct ieee80211_key_conf *key_conf)
1556 {
1557 	struct wl18xx_priv *priv = wl->priv;
1558 	bool change_spare = false, special_enc;
1559 	int ret;
1560 
1561 	wl1271_debug(DEBUG_CRYPT, "extra spare keys before: %d",
1562 		     priv->extra_spare_key_count);
1563 
1564 	special_enc = key_conf->cipher == WL1271_CIPHER_SUITE_GEM ||
1565 		      key_conf->cipher == WLAN_CIPHER_SUITE_TKIP;
1566 
1567 	ret = wlcore_set_key(wl, cmd, vif, sta, key_conf);
1568 	if (ret < 0)
1569 		goto out;
1570 
1571 	/*
1572 	 * when adding the first or removing the last GEM/TKIP key,
1573 	 * we have to adjust the number of spare blocks.
1574 	 */
1575 	if (special_enc) {
1576 		if (cmd == SET_KEY) {
1577 			/* first key */
1578 			change_spare = (priv->extra_spare_key_count == 0);
1579 			priv->extra_spare_key_count++;
1580 		} else if (cmd == DISABLE_KEY) {
1581 			/* last key */
1582 			change_spare = (priv->extra_spare_key_count == 1);
1583 			priv->extra_spare_key_count--;
1584 		}
1585 	}
1586 
1587 	wl1271_debug(DEBUG_CRYPT, "extra spare keys after: %d",
1588 		     priv->extra_spare_key_count);
1589 
1590 	if (!change_spare)
1591 		goto out;
1592 
1593 	/* key is now set, change the spare blocks */
1594 	if (priv->extra_spare_key_count)
1595 		ret = wl18xx_set_host_cfg_bitmap(wl,
1596 					WL18XX_TX_HW_EXTRA_BLOCK_SPARE);
1597 	else
1598 		ret = wl18xx_set_host_cfg_bitmap(wl,
1599 					WL18XX_TX_HW_BLOCK_SPARE);
1600 
1601 out:
1602 	return ret;
1603 }
1604 
1605 static u32 wl18xx_pre_pkt_send(struct wl1271 *wl,
1606 			       u32 buf_offset, u32 last_len)
1607 {
1608 	if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME) {
1609 		struct wl1271_tx_hw_descr *last_desc;
1610 
1611 		/* get the last TX HW descriptor written to the aggr buf */
1612 		last_desc = (struct wl1271_tx_hw_descr *)(wl->aggr_buf +
1613 							buf_offset - last_len);
1614 
1615 		/* the last frame is padded up to an SDIO block */
1616 		last_desc->wl18xx_mem.ctrl &= ~WL18XX_TX_CTRL_NOT_PADDED;
1617 		return ALIGN(buf_offset, WL12XX_BUS_BLOCK_SIZE);
1618 	}
1619 
1620 	/* no modifications */
1621 	return buf_offset;
1622 }
1623 
1624 static void wl18xx_sta_rc_update(struct wl1271 *wl,
1625 				 struct wl12xx_vif *wlvif)
1626 {
1627 	bool wide = wlvif->rc_update_bw >= IEEE80211_STA_RX_BW_40;
1628 
1629 	wl1271_debug(DEBUG_MAC80211, "mac80211 sta_rc_update wide %d", wide);
1630 
1631 	/* sanity */
1632 	if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS))
1633 		return;
1634 
1635 	/* ignore the change before association */
1636 	if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
1637 		return;
1638 
1639 	/*
1640 	 * If we started out as wide, we can change the operation mode. If we
1641 	 * thought this was a 20mhz AP, we have to reconnect
1642 	 */
1643 	if (wlvif->sta.role_chan_type == NL80211_CHAN_HT40MINUS ||
1644 	    wlvif->sta.role_chan_type == NL80211_CHAN_HT40PLUS)
1645 		wl18xx_acx_peer_ht_operation_mode(wl, wlvif->sta.hlid, wide);
1646 	else
1647 		ieee80211_connection_loss(wl12xx_wlvif_to_vif(wlvif));
1648 }
1649 
1650 static int wl18xx_set_peer_cap(struct wl1271 *wl,
1651 			       struct ieee80211_sta_ht_cap *ht_cap,
1652 			       bool allow_ht_operation,
1653 			       u32 rate_set, u8 hlid)
1654 {
1655 	return wl18xx_acx_set_peer_cap(wl, ht_cap, allow_ht_operation,
1656 				       rate_set, hlid);
1657 }
1658 
1659 static bool wl18xx_lnk_high_prio(struct wl1271 *wl, u8 hlid,
1660 				 struct wl1271_link *lnk)
1661 {
1662 	u8 thold;
1663 	struct wl18xx_fw_status_priv *status_priv =
1664 		(struct wl18xx_fw_status_priv *)wl->fw_status->priv;
1665 	unsigned long suspend_bitmap;
1666 
1667 	/* if we don't have the link map yet, assume they all low prio */
1668 	if (!status_priv)
1669 		return false;
1670 
1671 	/* suspended links are never high priority */
1672 	suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
1673 	if (test_bit(hlid, &suspend_bitmap))
1674 		return false;
1675 
1676 	/* the priority thresholds are taken from FW */
1677 	if (test_bit(hlid, &wl->fw_fast_lnk_map) &&
1678 	    !test_bit(hlid, &wl->ap_fw_ps_map))
1679 		thold = status_priv->tx_fast_link_prio_threshold;
1680 	else
1681 		thold = status_priv->tx_slow_link_prio_threshold;
1682 
1683 	return lnk->allocated_pkts < thold;
1684 }
1685 
1686 static bool wl18xx_lnk_low_prio(struct wl1271 *wl, u8 hlid,
1687 				struct wl1271_link *lnk)
1688 {
1689 	u8 thold;
1690 	struct wl18xx_fw_status_priv *status_priv =
1691 		(struct wl18xx_fw_status_priv *)wl->fw_status->priv;
1692 	unsigned long suspend_bitmap;
1693 
1694 	/* if we don't have the link map yet, assume they all low prio */
1695 	if (!status_priv)
1696 		return true;
1697 
1698 	suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
1699 	if (test_bit(hlid, &suspend_bitmap))
1700 		thold = status_priv->tx_suspend_threshold;
1701 	else if (test_bit(hlid, &wl->fw_fast_lnk_map) &&
1702 		 !test_bit(hlid, &wl->ap_fw_ps_map))
1703 		thold = status_priv->tx_fast_stop_threshold;
1704 	else
1705 		thold = status_priv->tx_slow_stop_threshold;
1706 
1707 	return lnk->allocated_pkts < thold;
1708 }
1709 
1710 static u32 wl18xx_convert_hwaddr(struct wl1271 *wl, u32 hwaddr)
1711 {
1712 	return hwaddr & ~0x80000000;
1713 }
1714 
1715 static int wl18xx_setup(struct wl1271 *wl);
1716 
1717 static struct wlcore_ops wl18xx_ops = {
1718 	.setup		= wl18xx_setup,
1719 	.identify_chip	= wl18xx_identify_chip,
1720 	.boot		= wl18xx_boot,
1721 	.plt_init	= wl18xx_plt_init,
1722 	.trigger_cmd	= wl18xx_trigger_cmd,
1723 	.ack_event	= wl18xx_ack_event,
1724 	.wait_for_event	= wl18xx_wait_for_event,
1725 	.process_mailbox_events = wl18xx_process_mailbox_events,
1726 	.calc_tx_blocks = wl18xx_calc_tx_blocks,
1727 	.set_tx_desc_blocks = wl18xx_set_tx_desc_blocks,
1728 	.set_tx_desc_data_len = wl18xx_set_tx_desc_data_len,
1729 	.get_rx_buf_align = wl18xx_get_rx_buf_align,
1730 	.get_rx_packet_len = wl18xx_get_rx_packet_len,
1731 	.tx_immediate_compl = wl18xx_tx_immediate_completion,
1732 	.tx_delayed_compl = NULL,
1733 	.hw_init	= wl18xx_hw_init,
1734 	.convert_fw_status = wl18xx_convert_fw_status,
1735 	.set_tx_desc_csum = wl18xx_set_tx_desc_csum,
1736 	.get_pg_ver	= wl18xx_get_pg_ver,
1737 	.set_rx_csum = wl18xx_set_rx_csum,
1738 	.sta_get_ap_rate_mask = wl18xx_sta_get_ap_rate_mask,
1739 	.ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask,
1740 	.get_mac	= wl18xx_get_mac,
1741 	.debugfs_init	= wl18xx_debugfs_add_files,
1742 	.scan_start	= wl18xx_scan_start,
1743 	.scan_stop	= wl18xx_scan_stop,
1744 	.sched_scan_start	= wl18xx_sched_scan_start,
1745 	.sched_scan_stop	= wl18xx_scan_sched_scan_stop,
1746 	.handle_static_data	= wl18xx_handle_static_data,
1747 	.get_spare_blocks = wl18xx_get_spare_blocks,
1748 	.set_key	= wl18xx_set_key,
1749 	.channel_switch	= wl18xx_cmd_channel_switch,
1750 	.pre_pkt_send	= wl18xx_pre_pkt_send,
1751 	.sta_rc_update	= wl18xx_sta_rc_update,
1752 	.set_peer_cap	= wl18xx_set_peer_cap,
1753 	.convert_hwaddr = wl18xx_convert_hwaddr,
1754 	.lnk_high_prio	= wl18xx_lnk_high_prio,
1755 	.lnk_low_prio	= wl18xx_lnk_low_prio,
1756 	.smart_config_start = wl18xx_cmd_smart_config_start,
1757 	.smart_config_stop  = wl18xx_cmd_smart_config_stop,
1758 	.smart_config_set_group_key = wl18xx_cmd_smart_config_set_group_key,
1759 	.interrupt_notify = wl18xx_acx_interrupt_notify_config,
1760 	.rx_ba_filter	= wl18xx_acx_rx_ba_filter,
1761 	.ap_sleep	= wl18xx_acx_ap_sleep,
1762 	.set_cac	= wl18xx_cmd_set_cac,
1763 	.dfs_master_restart	= wl18xx_cmd_dfs_master_restart,
1764 };
1765 
1766 /* HT cap appropriate for wide channels in 2Ghz */
1767 static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_2ghz = {
1768 	.cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
1769 	       IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_DSSSCCK40 |
1770 	       IEEE80211_HT_CAP_GRN_FLD,
1771 	.ht_supported = true,
1772 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1773 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1774 	.mcs = {
1775 		.rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1776 		.rx_highest = cpu_to_le16(150),
1777 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1778 		},
1779 };
1780 
1781 /* HT cap appropriate for wide channels in 5Ghz */
1782 static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_5ghz = {
1783 	.cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
1784 	       IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
1785 	       IEEE80211_HT_CAP_GRN_FLD,
1786 	.ht_supported = true,
1787 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1788 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1789 	.mcs = {
1790 		.rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1791 		.rx_highest = cpu_to_le16(150),
1792 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1793 		},
1794 };
1795 
1796 /* HT cap appropriate for SISO 20 */
1797 static struct ieee80211_sta_ht_cap wl18xx_siso20_ht_cap = {
1798 	.cap = IEEE80211_HT_CAP_SGI_20 |
1799 	       IEEE80211_HT_CAP_GRN_FLD,
1800 	.ht_supported = true,
1801 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1802 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1803 	.mcs = {
1804 		.rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1805 		.rx_highest = cpu_to_le16(72),
1806 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1807 		},
1808 };
1809 
1810 /* HT cap appropriate for MIMO rates in 20mhz channel */
1811 static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap_2ghz = {
1812 	.cap = IEEE80211_HT_CAP_SGI_20 |
1813 	       IEEE80211_HT_CAP_GRN_FLD,
1814 	.ht_supported = true,
1815 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1816 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1817 	.mcs = {
1818 		.rx_mask = { 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, },
1819 		.rx_highest = cpu_to_le16(144),
1820 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1821 		},
1822 };
1823 
1824 static const struct ieee80211_iface_limit wl18xx_iface_limits[] = {
1825 	{
1826 		.max = 2,
1827 		.types = BIT(NL80211_IFTYPE_STATION),
1828 	},
1829 	{
1830 		.max = 1,
1831 		.types =   BIT(NL80211_IFTYPE_AP)
1832 			 | BIT(NL80211_IFTYPE_P2P_GO)
1833 			 | BIT(NL80211_IFTYPE_P2P_CLIENT)
1834 #ifdef CONFIG_MAC80211_MESH
1835 			 | BIT(NL80211_IFTYPE_MESH_POINT)
1836 #endif
1837 	},
1838 	{
1839 		.max = 1,
1840 		.types = BIT(NL80211_IFTYPE_P2P_DEVICE),
1841 	},
1842 };
1843 
1844 static const struct ieee80211_iface_limit wl18xx_iface_ap_limits[] = {
1845 	{
1846 		.max = 2,
1847 		.types = BIT(NL80211_IFTYPE_AP),
1848 	},
1849 #ifdef CONFIG_MAC80211_MESH
1850 	{
1851 		.max = 1,
1852 		.types = BIT(NL80211_IFTYPE_MESH_POINT),
1853 	},
1854 #endif
1855 	{
1856 		.max = 1,
1857 		.types = BIT(NL80211_IFTYPE_P2P_DEVICE),
1858 	},
1859 };
1860 
1861 static const struct ieee80211_iface_limit wl18xx_iface_ap_cl_limits[] = {
1862 	{
1863 		.max = 1,
1864 		.types = BIT(NL80211_IFTYPE_STATION),
1865 	},
1866 	{
1867 		.max = 1,
1868 		.types = BIT(NL80211_IFTYPE_AP),
1869 	},
1870 	{
1871 		.max = 1,
1872 		.types = BIT(NL80211_IFTYPE_P2P_CLIENT),
1873 	},
1874 	{
1875 		.max = 1,
1876 		.types = BIT(NL80211_IFTYPE_P2P_DEVICE),
1877 	},
1878 };
1879 
1880 static const struct ieee80211_iface_limit wl18xx_iface_ap_go_limits[] = {
1881 	{
1882 		.max = 1,
1883 		.types = BIT(NL80211_IFTYPE_STATION),
1884 	},
1885 	{
1886 		.max = 1,
1887 		.types = BIT(NL80211_IFTYPE_AP),
1888 	},
1889 	{
1890 		.max = 1,
1891 		.types = BIT(NL80211_IFTYPE_P2P_GO),
1892 	},
1893 	{
1894 		.max = 1,
1895 		.types = BIT(NL80211_IFTYPE_P2P_DEVICE),
1896 	},
1897 };
1898 
1899 static const struct ieee80211_iface_combination
1900 wl18xx_iface_combinations[] = {
1901 	{
1902 		.max_interfaces = 3,
1903 		.limits = wl18xx_iface_limits,
1904 		.n_limits = ARRAY_SIZE(wl18xx_iface_limits),
1905 		.num_different_channels = 2,
1906 	},
1907 	{
1908 		.max_interfaces = 2,
1909 		.limits = wl18xx_iface_ap_limits,
1910 		.n_limits = ARRAY_SIZE(wl18xx_iface_ap_limits),
1911 		.num_different_channels = 1,
1912 		.radar_detect_widths =	BIT(NL80211_CHAN_NO_HT) |
1913 					BIT(NL80211_CHAN_HT20) |
1914 					BIT(NL80211_CHAN_HT40MINUS) |
1915 					BIT(NL80211_CHAN_HT40PLUS),
1916 	}
1917 };
1918 
1919 static int wl18xx_setup(struct wl1271 *wl)
1920 {
1921 	struct wl18xx_priv *priv = wl->priv;
1922 	int ret;
1923 
1924 	BUILD_BUG_ON(WL18XX_MAX_LINKS > WLCORE_MAX_LINKS);
1925 	BUILD_BUG_ON(WL18XX_MAX_AP_STATIONS > WL18XX_MAX_LINKS);
1926 	BUILD_BUG_ON(WL18XX_CONF_SG_PARAMS_MAX > WLCORE_CONF_SG_PARAMS_MAX);
1927 
1928 	wl->rtable = wl18xx_rtable;
1929 	wl->num_tx_desc = WL18XX_NUM_TX_DESCRIPTORS;
1930 	wl->num_rx_desc = WL18XX_NUM_RX_DESCRIPTORS;
1931 	wl->num_links = WL18XX_MAX_LINKS;
1932 	wl->max_ap_stations = WL18XX_MAX_AP_STATIONS;
1933 	wl->iface_combinations = wl18xx_iface_combinations;
1934 	wl->n_iface_combinations = ARRAY_SIZE(wl18xx_iface_combinations);
1935 	wl->num_mac_addr = WL18XX_NUM_MAC_ADDRESSES;
1936 	wl->band_rate_to_idx = wl18xx_band_rate_to_idx;
1937 	wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX;
1938 	wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0;
1939 	wl->fw_status_len = sizeof(struct wl18xx_fw_status);
1940 	wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv);
1941 	wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics);
1942 	wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv);
1943 
1944 	if (num_rx_desc_param != -1)
1945 		wl->num_rx_desc = num_rx_desc_param;
1946 
1947 	ret = wl18xx_conf_init(wl, wl->dev);
1948 	if (ret < 0)
1949 		return ret;
1950 
1951 	/* If the module param is set, update it in conf */
1952 	if (board_type_param) {
1953 		if (!strcmp(board_type_param, "fpga")) {
1954 			priv->conf.phy.board_type = BOARD_TYPE_FPGA_18XX;
1955 		} else if (!strcmp(board_type_param, "hdk")) {
1956 			priv->conf.phy.board_type = BOARD_TYPE_HDK_18XX;
1957 		} else if (!strcmp(board_type_param, "dvp")) {
1958 			priv->conf.phy.board_type = BOARD_TYPE_DVP_18XX;
1959 		} else if (!strcmp(board_type_param, "evb")) {
1960 			priv->conf.phy.board_type = BOARD_TYPE_EVB_18XX;
1961 		} else if (!strcmp(board_type_param, "com8")) {
1962 			priv->conf.phy.board_type = BOARD_TYPE_COM8_18XX;
1963 		} else {
1964 			wl1271_error("invalid board type '%s'",
1965 				board_type_param);
1966 			return -EINVAL;
1967 		}
1968 	}
1969 
1970 	if (priv->conf.phy.board_type >= NUM_BOARD_TYPES) {
1971 		wl1271_error("invalid board type '%d'",
1972 			priv->conf.phy.board_type);
1973 		return -EINVAL;
1974 	}
1975 
1976 	if (low_band_component_param != -1)
1977 		priv->conf.phy.low_band_component = low_band_component_param;
1978 	if (low_band_component_type_param != -1)
1979 		priv->conf.phy.low_band_component_type =
1980 			low_band_component_type_param;
1981 	if (high_band_component_param != -1)
1982 		priv->conf.phy.high_band_component = high_band_component_param;
1983 	if (high_band_component_type_param != -1)
1984 		priv->conf.phy.high_band_component_type =
1985 			high_band_component_type_param;
1986 	if (pwr_limit_reference_11_abg_param != -1)
1987 		priv->conf.phy.pwr_limit_reference_11_abg =
1988 			pwr_limit_reference_11_abg_param;
1989 	if (n_antennas_2_param != -1)
1990 		priv->conf.phy.number_of_assembled_ant2_4 = n_antennas_2_param;
1991 	if (n_antennas_5_param != -1)
1992 		priv->conf.phy.number_of_assembled_ant5 = n_antennas_5_param;
1993 	if (dc2dc_param != -1)
1994 		priv->conf.phy.external_pa_dc2dc = dc2dc_param;
1995 
1996 	if (ht_mode_param) {
1997 		if (!strcmp(ht_mode_param, "default"))
1998 			priv->conf.ht.mode = HT_MODE_DEFAULT;
1999 		else if (!strcmp(ht_mode_param, "wide"))
2000 			priv->conf.ht.mode = HT_MODE_WIDE;
2001 		else if (!strcmp(ht_mode_param, "siso20"))
2002 			priv->conf.ht.mode = HT_MODE_SISO20;
2003 		else {
2004 			wl1271_error("invalid ht_mode '%s'", ht_mode_param);
2005 			return -EINVAL;
2006 		}
2007 	}
2008 
2009 	if (priv->conf.ht.mode == HT_MODE_DEFAULT) {
2010 		/*
2011 		 * Only support mimo with multiple antennas. Fall back to
2012 		 * siso40.
2013 		 */
2014 		if (wl18xx_is_mimo_supported(wl))
2015 			wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
2016 					  &wl18xx_mimo_ht_cap_2ghz);
2017 		else
2018 			wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
2019 					  &wl18xx_siso40_ht_cap_2ghz);
2020 
2021 		/* 5Ghz is always wide */
2022 		wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ,
2023 				  &wl18xx_siso40_ht_cap_5ghz);
2024 	} else if (priv->conf.ht.mode == HT_MODE_WIDE) {
2025 		wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
2026 				  &wl18xx_siso40_ht_cap_2ghz);
2027 		wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ,
2028 				  &wl18xx_siso40_ht_cap_5ghz);
2029 	} else if (priv->conf.ht.mode == HT_MODE_SISO20) {
2030 		wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
2031 				  &wl18xx_siso20_ht_cap);
2032 		wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ,
2033 				  &wl18xx_siso20_ht_cap);
2034 	}
2035 
2036 	if (!checksum_param) {
2037 		wl18xx_ops.set_rx_csum = NULL;
2038 		wl18xx_ops.init_vif = NULL;
2039 	}
2040 
2041 	/* Enable 11a Band only if we have 5G antennas */
2042 	wl->enable_11a = (priv->conf.phy.number_of_assembled_ant5 != 0);
2043 
2044 	return 0;
2045 }
2046 
2047 static int wl18xx_probe(struct platform_device *pdev)
2048 {
2049 	struct wl1271 *wl;
2050 	struct ieee80211_hw *hw;
2051 	int ret;
2052 
2053 	hw = wlcore_alloc_hw(sizeof(struct wl18xx_priv),
2054 			     WL18XX_AGGR_BUFFER_SIZE,
2055 			     sizeof(struct wl18xx_event_mailbox));
2056 	if (IS_ERR(hw)) {
2057 		wl1271_error("can't allocate hw");
2058 		ret = PTR_ERR(hw);
2059 		goto out;
2060 	}
2061 
2062 	wl = hw->priv;
2063 	wl->ops = &wl18xx_ops;
2064 	wl->ptable = wl18xx_ptable;
2065 	ret = wlcore_probe(wl, pdev);
2066 	if (ret)
2067 		goto out_free;
2068 
2069 	return ret;
2070 
2071 out_free:
2072 	wlcore_free_hw(wl);
2073 out:
2074 	return ret;
2075 }
2076 
2077 static const struct platform_device_id wl18xx_id_table[] = {
2078 	{ "wl18xx", 0 },
2079 	{  } /* Terminating Entry */
2080 };
2081 MODULE_DEVICE_TABLE(platform, wl18xx_id_table);
2082 
2083 static struct platform_driver wl18xx_driver = {
2084 	.probe		= wl18xx_probe,
2085 	.remove		= wlcore_remove,
2086 	.id_table	= wl18xx_id_table,
2087 	.driver = {
2088 		.name	= "wl18xx_driver",
2089 	}
2090 };
2091 
2092 module_platform_driver(wl18xx_driver);
2093 module_param_named(ht_mode, ht_mode_param, charp, S_IRUSR);
2094 MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or siso20");
2095 
2096 module_param_named(board_type, board_type_param, charp, S_IRUSR);
2097 MODULE_PARM_DESC(board_type, "Board type: fpga, hdk (default), evb, com8 or "
2098 		 "dvp");
2099 
2100 module_param_named(checksum, checksum_param, bool, S_IRUSR);
2101 MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to false)");
2102 
2103 module_param_named(dc2dc, dc2dc_param, int, S_IRUSR);
2104 MODULE_PARM_DESC(dc2dc, "External DC2DC: u8 (defaults to 0)");
2105 
2106 module_param_named(n_antennas_2, n_antennas_2_param, int, S_IRUSR);
2107 MODULE_PARM_DESC(n_antennas_2,
2108 		 "Number of installed 2.4GHz antennas: 1 (default) or 2");
2109 
2110 module_param_named(n_antennas_5, n_antennas_5_param, int, S_IRUSR);
2111 MODULE_PARM_DESC(n_antennas_5,
2112 		 "Number of installed 5GHz antennas: 1 (default) or 2");
2113 
2114 module_param_named(low_band_component, low_band_component_param, int,
2115 		   S_IRUSR);
2116 MODULE_PARM_DESC(low_band_component, "Low band component: u8 "
2117 		 "(default is 0x01)");
2118 
2119 module_param_named(low_band_component_type, low_band_component_type_param,
2120 		   int, S_IRUSR);
2121 MODULE_PARM_DESC(low_band_component_type, "Low band component type: u8 "
2122 		 "(default is 0x05 or 0x06 depending on the board_type)");
2123 
2124 module_param_named(high_band_component, high_band_component_param, int,
2125 		   S_IRUSR);
2126 MODULE_PARM_DESC(high_band_component, "High band component: u8, "
2127 		 "(default is 0x01)");
2128 
2129 module_param_named(high_band_component_type, high_band_component_type_param,
2130 		   int, S_IRUSR);
2131 MODULE_PARM_DESC(high_band_component_type, "High band component type: u8 "
2132 		 "(default is 0x09)");
2133 
2134 module_param_named(pwr_limit_reference_11_abg,
2135 		   pwr_limit_reference_11_abg_param, int, S_IRUSR);
2136 MODULE_PARM_DESC(pwr_limit_reference_11_abg, "Power limit reference: u8 "
2137 		 "(default is 0xc8)");
2138 
2139 module_param_named(num_rx_desc,
2140 		   num_rx_desc_param, int, S_IRUSR);
2141 MODULE_PARM_DESC(num_rx_desc_param,
2142 		 "Number of Rx descriptors: u8 (default is 32)");
2143 
2144 MODULE_LICENSE("GPL v2");
2145 MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
2146 MODULE_FIRMWARE(WL18XX_FW_NAME);
2147