xref: /openbmc/linux/drivers/net/wireless/ti/wl18xx/main.c (revision 77d84ff8)
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 
28 #include "../wlcore/wlcore.h"
29 #include "../wlcore/debug.h"
30 #include "../wlcore/io.h"
31 #include "../wlcore/acx.h"
32 #include "../wlcore/tx.h"
33 #include "../wlcore/rx.h"
34 #include "../wlcore/boot.h"
35 
36 #include "reg.h"
37 #include "conf.h"
38 #include "cmd.h"
39 #include "acx.h"
40 #include "tx.h"
41 #include "wl18xx.h"
42 #include "io.h"
43 #include "scan.h"
44 #include "event.h"
45 #include "debugfs.h"
46 
47 #define WL18XX_RX_CHECKSUM_MASK      0x40
48 
49 static char *ht_mode_param = NULL;
50 static char *board_type_param = NULL;
51 static bool checksum_param = false;
52 static int num_rx_desc_param = -1;
53 
54 /* phy paramters */
55 static int dc2dc_param = -1;
56 static int n_antennas_2_param = -1;
57 static int n_antennas_5_param = -1;
58 static int low_band_component_param = -1;
59 static int low_band_component_type_param = -1;
60 static int high_band_component_param = -1;
61 static int high_band_component_type_param = -1;
62 static int pwr_limit_reference_11_abg_param = -1;
63 
64 static const u8 wl18xx_rate_to_idx_2ghz[] = {
65 	/* MCS rates are used only with 11n */
66 	15,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */
67 	14,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS14 */
68 	13,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS13 */
69 	12,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS12 */
70 	11,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS11 */
71 	10,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS10 */
72 	9,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS9 */
73 	8,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS8 */
74 	7,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS7 */
75 	6,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS6 */
76 	5,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS5 */
77 	4,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS4 */
78 	3,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS3 */
79 	2,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS2 */
80 	1,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS1 */
81 	0,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS0 */
82 
83 	11,                            /* WL18XX_CONF_HW_RXTX_RATE_54   */
84 	10,                            /* WL18XX_CONF_HW_RXTX_RATE_48   */
85 	9,                             /* WL18XX_CONF_HW_RXTX_RATE_36   */
86 	8,                             /* WL18XX_CONF_HW_RXTX_RATE_24   */
87 
88 	/* TI-specific rate */
89 	CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_22   */
90 
91 	7,                             /* WL18XX_CONF_HW_RXTX_RATE_18   */
92 	6,                             /* WL18XX_CONF_HW_RXTX_RATE_12   */
93 	3,                             /* WL18XX_CONF_HW_RXTX_RATE_11   */
94 	5,                             /* WL18XX_CONF_HW_RXTX_RATE_9    */
95 	4,                             /* WL18XX_CONF_HW_RXTX_RATE_6    */
96 	2,                             /* WL18XX_CONF_HW_RXTX_RATE_5_5  */
97 	1,                             /* WL18XX_CONF_HW_RXTX_RATE_2    */
98 	0                              /* WL18XX_CONF_HW_RXTX_RATE_1    */
99 };
100 
101 static const u8 wl18xx_rate_to_idx_5ghz[] = {
102 	/* MCS rates are used only with 11n */
103 	15,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */
104 	14,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS14 */
105 	13,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS13 */
106 	12,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS12 */
107 	11,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS11 */
108 	10,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS10 */
109 	9,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS9 */
110 	8,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS8 */
111 	7,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS7 */
112 	6,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS6 */
113 	5,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS5 */
114 	4,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS4 */
115 	3,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS3 */
116 	2,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS2 */
117 	1,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS1 */
118 	0,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS0 */
119 
120 	7,                             /* WL18XX_CONF_HW_RXTX_RATE_54   */
121 	6,                             /* WL18XX_CONF_HW_RXTX_RATE_48   */
122 	5,                             /* WL18XX_CONF_HW_RXTX_RATE_36   */
123 	4,                             /* WL18XX_CONF_HW_RXTX_RATE_24   */
124 
125 	/* TI-specific rate */
126 	CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_22   */
127 
128 	3,                             /* WL18XX_CONF_HW_RXTX_RATE_18   */
129 	2,                             /* WL18XX_CONF_HW_RXTX_RATE_12   */
130 	CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_11   */
131 	1,                             /* WL18XX_CONF_HW_RXTX_RATE_9    */
132 	0,                             /* WL18XX_CONF_HW_RXTX_RATE_6    */
133 	CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_5_5  */
134 	CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_2    */
135 	CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_1    */
136 };
137 
138 static const u8 *wl18xx_band_rate_to_idx[] = {
139 	[IEEE80211_BAND_2GHZ] = wl18xx_rate_to_idx_2ghz,
140 	[IEEE80211_BAND_5GHZ] = wl18xx_rate_to_idx_5ghz
141 };
142 
143 enum wl18xx_hw_rates {
144 	WL18XX_CONF_HW_RXTX_RATE_MCS15 = 0,
145 	WL18XX_CONF_HW_RXTX_RATE_MCS14,
146 	WL18XX_CONF_HW_RXTX_RATE_MCS13,
147 	WL18XX_CONF_HW_RXTX_RATE_MCS12,
148 	WL18XX_CONF_HW_RXTX_RATE_MCS11,
149 	WL18XX_CONF_HW_RXTX_RATE_MCS10,
150 	WL18XX_CONF_HW_RXTX_RATE_MCS9,
151 	WL18XX_CONF_HW_RXTX_RATE_MCS8,
152 	WL18XX_CONF_HW_RXTX_RATE_MCS7,
153 	WL18XX_CONF_HW_RXTX_RATE_MCS6,
154 	WL18XX_CONF_HW_RXTX_RATE_MCS5,
155 	WL18XX_CONF_HW_RXTX_RATE_MCS4,
156 	WL18XX_CONF_HW_RXTX_RATE_MCS3,
157 	WL18XX_CONF_HW_RXTX_RATE_MCS2,
158 	WL18XX_CONF_HW_RXTX_RATE_MCS1,
159 	WL18XX_CONF_HW_RXTX_RATE_MCS0,
160 	WL18XX_CONF_HW_RXTX_RATE_54,
161 	WL18XX_CONF_HW_RXTX_RATE_48,
162 	WL18XX_CONF_HW_RXTX_RATE_36,
163 	WL18XX_CONF_HW_RXTX_RATE_24,
164 	WL18XX_CONF_HW_RXTX_RATE_22,
165 	WL18XX_CONF_HW_RXTX_RATE_18,
166 	WL18XX_CONF_HW_RXTX_RATE_12,
167 	WL18XX_CONF_HW_RXTX_RATE_11,
168 	WL18XX_CONF_HW_RXTX_RATE_9,
169 	WL18XX_CONF_HW_RXTX_RATE_6,
170 	WL18XX_CONF_HW_RXTX_RATE_5_5,
171 	WL18XX_CONF_HW_RXTX_RATE_2,
172 	WL18XX_CONF_HW_RXTX_RATE_1,
173 	WL18XX_CONF_HW_RXTX_RATE_MAX,
174 };
175 
176 static struct wlcore_conf wl18xx_conf = {
177 	.sg = {
178 		.params = {
179 			[CONF_SG_ACL_BT_MASTER_MIN_BR] = 10,
180 			[CONF_SG_ACL_BT_MASTER_MAX_BR] = 180,
181 			[CONF_SG_ACL_BT_SLAVE_MIN_BR] = 10,
182 			[CONF_SG_ACL_BT_SLAVE_MAX_BR] = 180,
183 			[CONF_SG_ACL_BT_MASTER_MIN_EDR] = 10,
184 			[CONF_SG_ACL_BT_MASTER_MAX_EDR] = 80,
185 			[CONF_SG_ACL_BT_SLAVE_MIN_EDR] = 10,
186 			[CONF_SG_ACL_BT_SLAVE_MAX_EDR] = 80,
187 			[CONF_SG_ACL_WLAN_PS_MASTER_BR] = 8,
188 			[CONF_SG_ACL_WLAN_PS_SLAVE_BR] = 8,
189 			[CONF_SG_ACL_WLAN_PS_MASTER_EDR] = 20,
190 			[CONF_SG_ACL_WLAN_PS_SLAVE_EDR] = 20,
191 			[CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_BR] = 20,
192 			[CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_BR] = 35,
193 			[CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_BR] = 16,
194 			[CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_BR] = 35,
195 			[CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_EDR] = 32,
196 			[CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_EDR] = 50,
197 			[CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_EDR] = 28,
198 			[CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_EDR] = 50,
199 			[CONF_SG_ACL_ACTIVE_SCAN_WLAN_BR] = 10,
200 			[CONF_SG_ACL_ACTIVE_SCAN_WLAN_EDR] = 20,
201 			[CONF_SG_ACL_PASSIVE_SCAN_BT_BR] = 75,
202 			[CONF_SG_ACL_PASSIVE_SCAN_WLAN_BR] = 15,
203 			[CONF_SG_ACL_PASSIVE_SCAN_BT_EDR] = 27,
204 			[CONF_SG_ACL_PASSIVE_SCAN_WLAN_EDR] = 17,
205 			/* active scan params */
206 			[CONF_SG_AUTO_SCAN_PROBE_REQ] = 170,
207 			[CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50,
208 			[CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100,
209 			/* passive scan params */
210 			[CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_BR] = 800,
211 			[CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_EDR] = 200,
212 			[CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200,
213 			/* passive scan in dual antenna params */
214 			[CONF_SG_CONSECUTIVE_HV3_IN_PASSIVE_SCAN] = 0,
215 			[CONF_SG_BCN_HV3_COLLISION_THRESH_IN_PASSIVE_SCAN] = 0,
216 			[CONF_SG_TX_RX_PROTECTION_BWIDTH_IN_PASSIVE_SCAN] = 0,
217 			/* general params */
218 			[CONF_SG_STA_FORCE_PS_IN_BT_SCO] = 1,
219 			[CONF_SG_ANTENNA_CONFIGURATION] = 0,
220 			[CONF_SG_BEACON_MISS_PERCENT] = 60,
221 			[CONF_SG_DHCP_TIME] = 5000,
222 			[CONF_SG_RXT] = 1200,
223 			[CONF_SG_TXT] = 1000,
224 			[CONF_SG_ADAPTIVE_RXT_TXT] = 1,
225 			[CONF_SG_GENERAL_USAGE_BIT_MAP] = 3,
226 			[CONF_SG_HV3_MAX_SERVED] = 6,
227 			[CONF_SG_PS_POLL_TIMEOUT] = 10,
228 			[CONF_SG_UPSD_TIMEOUT] = 10,
229 			[CONF_SG_CONSECUTIVE_CTS_THRESHOLD] = 2,
230 			[CONF_SG_STA_RX_WINDOW_AFTER_DTIM] = 5,
231 			[CONF_SG_STA_CONNECTION_PROTECTION_TIME] = 30,
232 			/* AP params */
233 			[CONF_AP_BEACON_MISS_TX] = 3,
234 			[CONF_AP_RX_WINDOW_AFTER_BEACON] = 10,
235 			[CONF_AP_BEACON_WINDOW_INTERVAL] = 2,
236 			[CONF_AP_CONNECTION_PROTECTION_TIME] = 0,
237 			[CONF_AP_BT_ACL_VAL_BT_SERVE_TIME] = 25,
238 			[CONF_AP_BT_ACL_VAL_WL_SERVE_TIME] = 25,
239 			/* CTS Diluting params */
240 			[CONF_SG_CTS_DILUTED_BAD_RX_PACKETS_TH] = 0,
241 			[CONF_SG_CTS_CHOP_IN_DUAL_ANT_SCO_MASTER] = 0,
242 		},
243 		.state = CONF_SG_PROTECTIVE,
244 	},
245 	.rx = {
246 		.rx_msdu_life_time           = 512000,
247 		.packet_detection_threshold  = 0,
248 		.ps_poll_timeout             = 15,
249 		.upsd_timeout                = 15,
250 		.rts_threshold               = IEEE80211_MAX_RTS_THRESHOLD,
251 		.rx_cca_threshold            = 0,
252 		.irq_blk_threshold           = 0xFFFF,
253 		.irq_pkt_threshold           = 0,
254 		.irq_timeout                 = 600,
255 		.queue_type                  = CONF_RX_QUEUE_TYPE_LOW_PRIORITY,
256 	},
257 	.tx = {
258 		.tx_energy_detection         = 0,
259 		.sta_rc_conf                 = {
260 			.enabled_rates       = 0,
261 			.short_retry_limit   = 10,
262 			.long_retry_limit    = 10,
263 			.aflags              = 0,
264 		},
265 		.ac_conf_count               = 4,
266 		.ac_conf                     = {
267 			[CONF_TX_AC_BE] = {
268 				.ac          = CONF_TX_AC_BE,
269 				.cw_min      = 15,
270 				.cw_max      = 63,
271 				.aifsn       = 3,
272 				.tx_op_limit = 0,
273 			},
274 			[CONF_TX_AC_BK] = {
275 				.ac          = CONF_TX_AC_BK,
276 				.cw_min      = 15,
277 				.cw_max      = 63,
278 				.aifsn       = 7,
279 				.tx_op_limit = 0,
280 			},
281 			[CONF_TX_AC_VI] = {
282 				.ac          = CONF_TX_AC_VI,
283 				.cw_min      = 15,
284 				.cw_max      = 63,
285 				.aifsn       = CONF_TX_AIFS_PIFS,
286 				.tx_op_limit = 3008,
287 			},
288 			[CONF_TX_AC_VO] = {
289 				.ac          = CONF_TX_AC_VO,
290 				.cw_min      = 15,
291 				.cw_max      = 63,
292 				.aifsn       = CONF_TX_AIFS_PIFS,
293 				.tx_op_limit = 1504,
294 			},
295 		},
296 		.max_tx_retries = 100,
297 		.ap_aging_period = 300,
298 		.tid_conf_count = 4,
299 		.tid_conf = {
300 			[CONF_TX_AC_BE] = {
301 				.queue_id    = CONF_TX_AC_BE,
302 				.channel_type = CONF_CHANNEL_TYPE_EDCF,
303 				.tsid        = CONF_TX_AC_BE,
304 				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
305 				.ack_policy  = CONF_ACK_POLICY_LEGACY,
306 				.apsd_conf   = {0, 0},
307 			},
308 			[CONF_TX_AC_BK] = {
309 				.queue_id    = CONF_TX_AC_BK,
310 				.channel_type = CONF_CHANNEL_TYPE_EDCF,
311 				.tsid        = CONF_TX_AC_BK,
312 				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
313 				.ack_policy  = CONF_ACK_POLICY_LEGACY,
314 				.apsd_conf   = {0, 0},
315 			},
316 			[CONF_TX_AC_VI] = {
317 				.queue_id    = CONF_TX_AC_VI,
318 				.channel_type = CONF_CHANNEL_TYPE_EDCF,
319 				.tsid        = CONF_TX_AC_VI,
320 				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
321 				.ack_policy  = CONF_ACK_POLICY_LEGACY,
322 				.apsd_conf   = {0, 0},
323 			},
324 			[CONF_TX_AC_VO] = {
325 				.queue_id    = CONF_TX_AC_VO,
326 				.channel_type = CONF_CHANNEL_TYPE_EDCF,
327 				.tsid        = CONF_TX_AC_VO,
328 				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
329 				.ack_policy  = CONF_ACK_POLICY_LEGACY,
330 				.apsd_conf   = {0, 0},
331 			},
332 		},
333 		.frag_threshold              = IEEE80211_MAX_FRAG_THRESHOLD,
334 		.tx_compl_timeout            = 350,
335 		.tx_compl_threshold          = 10,
336 		.basic_rate                  = CONF_HW_BIT_RATE_1MBPS,
337 		.basic_rate_5                = CONF_HW_BIT_RATE_6MBPS,
338 		.tmpl_short_retry_limit      = 10,
339 		.tmpl_long_retry_limit       = 10,
340 		.tx_watchdog_timeout         = 5000,
341 		.slow_link_thold             = 3,
342 		.fast_link_thold             = 30,
343 	},
344 	.conn = {
345 		.wake_up_event               = CONF_WAKE_UP_EVENT_DTIM,
346 		.listen_interval             = 1,
347 		.suspend_wake_up_event       = CONF_WAKE_UP_EVENT_N_DTIM,
348 		.suspend_listen_interval     = 3,
349 		.bcn_filt_mode               = CONF_BCN_FILT_MODE_ENABLED,
350 		.bcn_filt_ie_count           = 3,
351 		.bcn_filt_ie = {
352 			[0] = {
353 				.ie          = WLAN_EID_CHANNEL_SWITCH,
354 				.rule        = CONF_BCN_RULE_PASS_ON_APPEARANCE,
355 			},
356 			[1] = {
357 				.ie          = WLAN_EID_HT_OPERATION,
358 				.rule        = CONF_BCN_RULE_PASS_ON_CHANGE,
359 			},
360 			[2] = {
361 				.ie	     = WLAN_EID_ERP_INFO,
362 				.rule	     = CONF_BCN_RULE_PASS_ON_CHANGE,
363 			},
364 		},
365 		.synch_fail_thold            = 12,
366 		.bss_lose_timeout            = 400,
367 		.beacon_rx_timeout           = 10000,
368 		.broadcast_timeout           = 20000,
369 		.rx_broadcast_in_ps          = 1,
370 		.ps_poll_threshold           = 10,
371 		.bet_enable                  = CONF_BET_MODE_ENABLE,
372 		.bet_max_consecutive         = 50,
373 		.psm_entry_retries           = 8,
374 		.psm_exit_retries            = 16,
375 		.psm_entry_nullfunc_retries  = 3,
376 		.dynamic_ps_timeout          = 1500,
377 		.forced_ps                   = false,
378 		.keep_alive_interval         = 55000,
379 		.max_listen_interval         = 20,
380 		.sta_sleep_auth              = WL1271_PSM_ILLEGAL,
381 	},
382 	.itrim = {
383 		.enable = false,
384 		.timeout = 50000,
385 	},
386 	.pm_config = {
387 		.host_clk_settling_time = 5000,
388 		.host_fast_wakeup_support = CONF_FAST_WAKEUP_DISABLE,
389 	},
390 	.roam_trigger = {
391 		.trigger_pacing               = 1,
392 		.avg_weight_rssi_beacon       = 20,
393 		.avg_weight_rssi_data         = 10,
394 		.avg_weight_snr_beacon        = 20,
395 		.avg_weight_snr_data          = 10,
396 	},
397 	.scan = {
398 		.min_dwell_time_active        = 7500,
399 		.max_dwell_time_active        = 30000,
400 		.min_dwell_time_active_long   = 25000,
401 		.max_dwell_time_active_long   = 50000,
402 		.dwell_time_passive           = 100000,
403 		.dwell_time_dfs               = 150000,
404 		.num_probe_reqs               = 2,
405 		.split_scan_timeout           = 50000,
406 	},
407 	.sched_scan = {
408 		/*
409 		 * Values are in TU/1000 but since sched scan FW command
410 		 * params are in TUs rounding up may occur.
411 		 */
412 		.base_dwell_time		= 7500,
413 		.max_dwell_time_delta		= 22500,
414 		/* based on 250bits per probe @1Mbps */
415 		.dwell_time_delta_per_probe	= 2000,
416 		/* based on 250bits per probe @6Mbps (plus a bit more) */
417 		.dwell_time_delta_per_probe_5	= 350,
418 		.dwell_time_passive		= 100000,
419 		.dwell_time_dfs			= 150000,
420 		.num_probe_reqs			= 2,
421 		.rssi_threshold			= -90,
422 		.snr_threshold			= 0,
423 	},
424 	.ht = {
425 		.rx_ba_win_size = 32,
426 		.tx_ba_win_size = 64,
427 		.inactivity_timeout = 10000,
428 		.tx_ba_tid_bitmap = CONF_TX_BA_ENABLED_TID_BITMAP,
429 	},
430 	.mem = {
431 		.num_stations                 = 1,
432 		.ssid_profiles                = 1,
433 		.rx_block_num                 = 40,
434 		.tx_min_block_num             = 40,
435 		.dynamic_memory               = 1,
436 		.min_req_tx_blocks            = 45,
437 		.min_req_rx_blocks            = 22,
438 		.tx_min                       = 27,
439 	},
440 	.fm_coex = {
441 		.enable                       = true,
442 		.swallow_period               = 5,
443 		.n_divider_fref_set_1         = 0xff,       /* default */
444 		.n_divider_fref_set_2         = 12,
445 		.m_divider_fref_set_1         = 0xffff,
446 		.m_divider_fref_set_2         = 148,        /* default */
447 		.coex_pll_stabilization_time  = 0xffffffff, /* default */
448 		.ldo_stabilization_time       = 0xffff,     /* default */
449 		.fm_disturbed_band_margin     = 0xff,       /* default */
450 		.swallow_clk_diff             = 0xff,       /* default */
451 	},
452 	.rx_streaming = {
453 		.duration                      = 150,
454 		.queues                        = 0x1,
455 		.interval                      = 20,
456 		.always                        = 0,
457 	},
458 	.fwlog = {
459 		.mode                         = WL12XX_FWLOG_CONTINUOUS,
460 		.mem_blocks                   = 2,
461 		.severity                     = 0,
462 		.timestamp                    = WL12XX_FWLOG_TIMESTAMP_DISABLED,
463 		.output                       = WL12XX_FWLOG_OUTPUT_DBG_PINS,
464 		.threshold                    = 0,
465 	},
466 	.rate = {
467 		.rate_retry_score = 32000,
468 		.per_add = 8192,
469 		.per_th1 = 2048,
470 		.per_th2 = 4096,
471 		.max_per = 8100,
472 		.inverse_curiosity_factor = 5,
473 		.tx_fail_low_th = 4,
474 		.tx_fail_high_th = 10,
475 		.per_alpha_shift = 4,
476 		.per_add_shift = 13,
477 		.per_beta1_shift = 10,
478 		.per_beta2_shift = 8,
479 		.rate_check_up = 2,
480 		.rate_check_down = 12,
481 		.rate_retry_policy = {
482 			0x00, 0x00, 0x00, 0x00, 0x00,
483 			0x00, 0x00, 0x00, 0x00, 0x00,
484 			0x00, 0x00, 0x00,
485 		},
486 	},
487 	.hangover = {
488 		.recover_time               = 0,
489 		.hangover_period            = 20,
490 		.dynamic_mode               = 1,
491 		.early_termination_mode     = 1,
492 		.max_period                 = 20,
493 		.min_period                 = 1,
494 		.increase_delta             = 1,
495 		.decrease_delta             = 2,
496 		.quiet_time                 = 4,
497 		.increase_time              = 1,
498 		.window_size                = 16,
499 	},
500 	.recovery = {
501 		.bug_on_recovery	    = 0,
502 		.no_recovery		    = 0,
503 	},
504 };
505 
506 static struct wl18xx_priv_conf wl18xx_default_priv_conf = {
507 	.ht = {
508 		.mode				= HT_MODE_WIDE,
509 	},
510 	.phy = {
511 		.phy_standalone			= 0x00,
512 		.primary_clock_setting_time	= 0x05,
513 		.clock_valid_on_wake_up		= 0x00,
514 		.secondary_clock_setting_time	= 0x05,
515 		.board_type 			= BOARD_TYPE_HDK_18XX,
516 		.auto_detect			= 0x00,
517 		.dedicated_fem			= FEM_NONE,
518 		.low_band_component		= COMPONENT_3_WAY_SWITCH,
519 		.low_band_component_type	= 0x05,
520 		.high_band_component		= COMPONENT_2_WAY_SWITCH,
521 		.high_band_component_type	= 0x09,
522 		.tcxo_ldo_voltage		= 0x00,
523 		.xtal_itrim_val			= 0x04,
524 		.srf_state			= 0x00,
525 		.io_configuration		= 0x01,
526 		.sdio_configuration		= 0x00,
527 		.settings			= 0x00,
528 		.enable_clpc			= 0x00,
529 		.enable_tx_low_pwr_on_siso_rdl	= 0x00,
530 		.rx_profile			= 0x00,
531 		.pwr_limit_reference_11_abg	= 0x64,
532 		.per_chan_pwr_limit_arr_11abg	= {
533 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
534 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
535 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
536 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
537 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
538 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
539 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
540 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
541 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
542 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
543 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
544 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
545 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
546 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
547 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
548 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
549 			0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
550 		.pwr_limit_reference_11p	= 0x64,
551 		.per_chan_bo_mode_11_abg	= { 0x00, 0x00, 0x00, 0x00,
552 						    0x00, 0x00, 0x00, 0x00,
553 						    0x00, 0x00, 0x00, 0x00,
554 						    0x00 },
555 		.per_chan_bo_mode_11_p		= { 0x00, 0x00, 0x00, 0x00 },
556 		.per_chan_pwr_limit_arr_11p	= { 0xff, 0xff, 0xff, 0xff,
557 						    0xff, 0xff, 0xff },
558 		.psat				= 0,
559 		.external_pa_dc2dc		= 0,
560 		.number_of_assembled_ant2_4	= 2,
561 		.number_of_assembled_ant5	= 1,
562 		.low_power_val			= 0xff,
563 		.med_power_val			= 0xff,
564 		.high_power_val			= 0xff,
565 		.low_power_val_2nd		= 0xff,
566 		.med_power_val_2nd		= 0xff,
567 		.high_power_val_2nd		= 0xff,
568 		.tx_rf_margin			= 1,
569 	},
570 };
571 
572 static const struct wlcore_partition_set wl18xx_ptable[PART_TABLE_LEN] = {
573 	[PART_TOP_PRCM_ELP_SOC] = {
574 		.mem  = { .start = 0x00A02000, .size  = 0x00010000 },
575 		.reg  = { .start = 0x00807000, .size  = 0x00005000 },
576 		.mem2 = { .start = 0x00800000, .size  = 0x0000B000 },
577 		.mem3 = { .start = 0x00000000, .size  = 0x00000000 },
578 	},
579 	[PART_DOWN] = {
580 		.mem  = { .start = 0x00000000, .size  = 0x00014000 },
581 		.reg  = { .start = 0x00810000, .size  = 0x0000BFFF },
582 		.mem2 = { .start = 0x00000000, .size  = 0x00000000 },
583 		.mem3 = { .start = 0x00000000, .size  = 0x00000000 },
584 	},
585 	[PART_BOOT] = {
586 		.mem  = { .start = 0x00700000, .size = 0x0000030c },
587 		.reg  = { .start = 0x00802000, .size = 0x00014578 },
588 		.mem2 = { .start = 0x00B00404, .size = 0x00001000 },
589 		.mem3 = { .start = 0x00C00000, .size = 0x00000400 },
590 	},
591 	[PART_WORK] = {
592 		.mem  = { .start = 0x00800000, .size  = 0x000050FC },
593 		.reg  = { .start = 0x00B00404, .size  = 0x00001000 },
594 		.mem2 = { .start = 0x00C00000, .size  = 0x00000400 },
595 		.mem3 = { .start = 0x00000000, .size  = 0x00000000 },
596 	},
597 	[PART_PHY_INIT] = {
598 		.mem  = { .start = WL18XX_PHY_INIT_MEM_ADDR,
599 			  .size  = WL18XX_PHY_INIT_MEM_SIZE },
600 		.reg  = { .start = 0x00000000, .size = 0x00000000 },
601 		.mem2 = { .start = 0x00000000, .size = 0x00000000 },
602 		.mem3 = { .start = 0x00000000, .size = 0x00000000 },
603 	},
604 };
605 
606 static const int wl18xx_rtable[REG_TABLE_LEN] = {
607 	[REG_ECPU_CONTROL]		= WL18XX_REG_ECPU_CONTROL,
608 	[REG_INTERRUPT_NO_CLEAR]	= WL18XX_REG_INTERRUPT_NO_CLEAR,
609 	[REG_INTERRUPT_ACK]		= WL18XX_REG_INTERRUPT_ACK,
610 	[REG_COMMAND_MAILBOX_PTR]	= WL18XX_REG_COMMAND_MAILBOX_PTR,
611 	[REG_EVENT_MAILBOX_PTR]		= WL18XX_REG_EVENT_MAILBOX_PTR,
612 	[REG_INTERRUPT_TRIG]		= WL18XX_REG_INTERRUPT_TRIG_H,
613 	[REG_INTERRUPT_MASK]		= WL18XX_REG_INTERRUPT_MASK,
614 	[REG_PC_ON_RECOVERY]		= WL18XX_SCR_PAD4,
615 	[REG_CHIP_ID_B]			= WL18XX_REG_CHIP_ID_B,
616 	[REG_CMD_MBOX_ADDRESS]		= WL18XX_CMD_MBOX_ADDRESS,
617 
618 	/* data access memory addresses, used with partition translation */
619 	[REG_SLV_MEM_DATA]		= WL18XX_SLV_MEM_DATA,
620 	[REG_SLV_REG_DATA]		= WL18XX_SLV_REG_DATA,
621 
622 	/* raw data access memory addresses */
623 	[REG_RAW_FW_STATUS_ADDR]	= WL18XX_FW_STATUS_ADDR,
624 };
625 
626 static const struct wl18xx_clk_cfg wl18xx_clk_table_coex[NUM_CLOCK_CONFIGS] = {
627 	[CLOCK_CONFIG_16_2_M]	= { 8,  121, 0, 0, false },
628 	[CLOCK_CONFIG_16_368_M]	= { 8,  120, 0, 0, false },
629 	[CLOCK_CONFIG_16_8_M]	= { 8,  117, 0, 0, false },
630 	[CLOCK_CONFIG_19_2_M]	= { 10, 128, 0, 0, false },
631 	[CLOCK_CONFIG_26_M]	= { 11, 104, 0, 0, false },
632 	[CLOCK_CONFIG_32_736_M]	= { 8,  120, 0, 0, false },
633 	[CLOCK_CONFIG_33_6_M]	= { 8,  117, 0, 0, false },
634 	[CLOCK_CONFIG_38_468_M]	= { 10, 128, 0, 0, false },
635 	[CLOCK_CONFIG_52_M]	= { 11, 104, 0, 0, false },
636 };
637 
638 static const struct wl18xx_clk_cfg wl18xx_clk_table[NUM_CLOCK_CONFIGS] = {
639 	[CLOCK_CONFIG_16_2_M]	= { 7,  104,  801, 4,  true },
640 	[CLOCK_CONFIG_16_368_M]	= { 9,  132, 3751, 4,  true },
641 	[CLOCK_CONFIG_16_8_M]	= { 7,  100,    0, 0, false },
642 	[CLOCK_CONFIG_19_2_M]	= { 8,  100,    0, 0, false },
643 	[CLOCK_CONFIG_26_M]	= { 13, 120,    0, 0, false },
644 	[CLOCK_CONFIG_32_736_M]	= { 9,  132, 3751, 4,  true },
645 	[CLOCK_CONFIG_33_6_M]	= { 7,  100,    0, 0, false },
646 	[CLOCK_CONFIG_38_468_M]	= { 8,  100,    0, 0, false },
647 	[CLOCK_CONFIG_52_M]	= { 13, 120,    0, 0, false },
648 };
649 
650 /* TODO: maybe move to a new header file? */
651 #define WL18XX_FW_NAME "ti-connectivity/wl18xx-fw-2.bin"
652 
653 static int wl18xx_identify_chip(struct wl1271 *wl)
654 {
655 	int ret = 0;
656 
657 	switch (wl->chip.id) {
658 	case CHIP_ID_185x_PG20:
659 		wl1271_debug(DEBUG_BOOT, "chip id 0x%x (185x PG20)",
660 				 wl->chip.id);
661 		wl->sr_fw_name = WL18XX_FW_NAME;
662 		/* wl18xx uses the same firmware for PLT */
663 		wl->plt_fw_name = WL18XX_FW_NAME;
664 		wl->quirks |= WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN |
665 			      WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN |
666 			      WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN |
667 			      WLCORE_QUIRK_TX_PAD_LAST_FRAME |
668 			      WLCORE_QUIRK_REGDOMAIN_CONF |
669 			      WLCORE_QUIRK_DUAL_PROBE_TMPL;
670 
671 		wlcore_set_min_fw_ver(wl, WL18XX_CHIP_VER,
672 				      WL18XX_IFTYPE_VER,  WL18XX_MAJOR_VER,
673 				      WL18XX_SUBTYPE_VER, WL18XX_MINOR_VER,
674 				      /* there's no separate multi-role FW */
675 				      0, 0, 0, 0);
676 		break;
677 	case CHIP_ID_185x_PG10:
678 		wl1271_warning("chip id 0x%x (185x PG10) is deprecated",
679 			       wl->chip.id);
680 		ret = -ENODEV;
681 		goto out;
682 
683 	default:
684 		wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
685 		ret = -ENODEV;
686 		goto out;
687 	}
688 
689 	wl->fw_mem_block_size = 272;
690 	wl->fwlog_end = 0x40000000;
691 
692 	wl->scan_templ_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4;
693 	wl->scan_templ_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5;
694 	wl->sched_scan_templ_id_2_4 = CMD_TEMPL_PROBE_REQ_2_4_PERIODIC;
695 	wl->sched_scan_templ_id_5 = CMD_TEMPL_PROBE_REQ_5_PERIODIC;
696 	wl->max_channels_5 = WL18XX_MAX_CHANNELS_5GHZ;
697 	wl->ba_rx_session_count_max = WL18XX_RX_BA_MAX_SESSIONS;
698 out:
699 	return ret;
700 }
701 
702 static int wl18xx_set_clk(struct wl1271 *wl)
703 {
704 	u16 clk_freq;
705 	int ret;
706 
707 	ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
708 	if (ret < 0)
709 		goto out;
710 
711 	/* TODO: PG2: apparently we need to read the clk type */
712 
713 	ret = wl18xx_top_reg_read(wl, PRIMARY_CLK_DETECT, &clk_freq);
714 	if (ret < 0)
715 		goto out;
716 
717 	wl1271_debug(DEBUG_BOOT, "clock freq %d (%d, %d, %d, %d, %s)", clk_freq,
718 		     wl18xx_clk_table[clk_freq].n, wl18xx_clk_table[clk_freq].m,
719 		     wl18xx_clk_table[clk_freq].p, wl18xx_clk_table[clk_freq].q,
720 		     wl18xx_clk_table[clk_freq].swallow ? "swallow" : "spit");
721 
722 	/* coex PLL configuration */
723 	ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_N,
724 				   wl18xx_clk_table_coex[clk_freq].n);
725 	if (ret < 0)
726 		goto out;
727 
728 	ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_M,
729 				   wl18xx_clk_table_coex[clk_freq].m);
730 	if (ret < 0)
731 		goto out;
732 
733 	/* bypass the swallowing logic */
734 	ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN,
735 				   PLLSH_COEX_PLL_SWALLOW_EN_VAL1);
736 	if (ret < 0)
737 		goto out;
738 
739 	ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_N,
740 				   wl18xx_clk_table[clk_freq].n);
741 	if (ret < 0)
742 		goto out;
743 
744 	ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_M,
745 				   wl18xx_clk_table[clk_freq].m);
746 	if (ret < 0)
747 		goto out;
748 
749 	if (wl18xx_clk_table[clk_freq].swallow) {
750 		/* first the 16 lower bits */
751 		ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_1,
752 					   wl18xx_clk_table[clk_freq].q &
753 					   PLLSH_WCS_PLL_Q_FACTOR_CFG_1_MASK);
754 		if (ret < 0)
755 			goto out;
756 
757 		/* then the 16 higher bits, masked out */
758 		ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_2,
759 					(wl18xx_clk_table[clk_freq].q >> 16) &
760 					PLLSH_WCS_PLL_Q_FACTOR_CFG_2_MASK);
761 		if (ret < 0)
762 			goto out;
763 
764 		/* first the 16 lower bits */
765 		ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_1,
766 					   wl18xx_clk_table[clk_freq].p &
767 					   PLLSH_WCS_PLL_P_FACTOR_CFG_1_MASK);
768 		if (ret < 0)
769 			goto out;
770 
771 		/* then the 16 higher bits, masked out */
772 		ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_2,
773 					(wl18xx_clk_table[clk_freq].p >> 16) &
774 					PLLSH_WCS_PLL_P_FACTOR_CFG_2_MASK);
775 	} else {
776 		ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_SWALLOW_EN,
777 					   PLLSH_WCS_PLL_SWALLOW_EN_VAL2);
778 	}
779 
780 	/* choose WCS PLL */
781 	ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_SEL,
782 				   PLLSH_WL_PLL_SEL_WCS_PLL);
783 	if (ret < 0)
784 		goto out;
785 
786 	/* enable both PLLs */
787 	ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL1);
788 	if (ret < 0)
789 		goto out;
790 
791 	udelay(1000);
792 
793 	/* disable coex PLL */
794 	ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL2);
795 	if (ret < 0)
796 		goto out;
797 
798 	/* reset the swallowing logic */
799 	ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN,
800 				   PLLSH_COEX_PLL_SWALLOW_EN_VAL2);
801 	if (ret < 0)
802 		goto out;
803 
804 out:
805 	return ret;
806 }
807 
808 static int wl18xx_boot_soft_reset(struct wl1271 *wl)
809 {
810 	int ret;
811 
812 	/* disable Rx/Tx */
813 	ret = wlcore_write32(wl, WL18XX_ENABLE, 0x0);
814 	if (ret < 0)
815 		goto out;
816 
817 	/* disable auto calibration on start*/
818 	ret = wlcore_write32(wl, WL18XX_SPARE_A2, 0xffff);
819 
820 out:
821 	return ret;
822 }
823 
824 static int wl18xx_pre_boot(struct wl1271 *wl)
825 {
826 	int ret;
827 
828 	ret = wl18xx_set_clk(wl);
829 	if (ret < 0)
830 		goto out;
831 
832 	/* Continue the ELP wake up sequence */
833 	ret = wlcore_write32(wl, WL18XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
834 	if (ret < 0)
835 		goto out;
836 
837 	udelay(500);
838 
839 	ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
840 	if (ret < 0)
841 		goto out;
842 
843 	/* Disable interrupts */
844 	ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
845 	if (ret < 0)
846 		goto out;
847 
848 	ret = wl18xx_boot_soft_reset(wl);
849 
850 out:
851 	return ret;
852 }
853 
854 static int wl18xx_pre_upload(struct wl1271 *wl)
855 {
856 	u32 tmp;
857 	int ret;
858 
859 	BUILD_BUG_ON(sizeof(struct wl18xx_mac_and_phy_params) >
860 		WL18XX_PHY_INIT_MEM_SIZE);
861 
862 	ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
863 	if (ret < 0)
864 		goto out;
865 
866 	/* TODO: check if this is all needed */
867 	ret = wlcore_write32(wl, WL18XX_EEPROMLESS_IND, WL18XX_EEPROMLESS_IND);
868 	if (ret < 0)
869 		goto out;
870 
871 	ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &tmp);
872 	if (ret < 0)
873 		goto out;
874 
875 	wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
876 
877 	ret = wlcore_read32(wl, WL18XX_SCR_PAD2, &tmp);
878 	if (ret < 0)
879 		goto out;
880 
881 	/*
882 	 * Workaround for FDSP code RAM corruption (needed for PG2.1
883 	 * and newer; for older chips it's a NOP).  Change FDSP clock
884 	 * settings so that it's muxed to the ATGP clock instead of
885 	 * its own clock.
886 	 */
887 
888 	ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
889 	if (ret < 0)
890 		goto out;
891 
892 	/* disable FDSP clock */
893 	ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
894 			     MEM_FDSP_CLK_120_DISABLE);
895 	if (ret < 0)
896 		goto out;
897 
898 	/* set ATPG clock toward FDSP Code RAM rather than its own clock */
899 	ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
900 			     MEM_FDSP_CODERAM_FUNC_CLK_SEL);
901 	if (ret < 0)
902 		goto out;
903 
904 	/* re-enable FDSP clock */
905 	ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
906 			     MEM_FDSP_CLK_120_ENABLE);
907 
908 out:
909 	return ret;
910 }
911 
912 static int wl18xx_set_mac_and_phy(struct wl1271 *wl)
913 {
914 	struct wl18xx_priv *priv = wl->priv;
915 	struct wl18xx_mac_and_phy_params *params;
916 	int ret;
917 
918 	params = kmemdup(&priv->conf.phy, sizeof(*params), GFP_KERNEL);
919 	if (!params) {
920 		ret = -ENOMEM;
921 		goto out;
922 	}
923 
924 	ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
925 	if (ret < 0)
926 		goto out;
927 
928 	ret = wlcore_write(wl, WL18XX_PHY_INIT_MEM_ADDR, params,
929 			   sizeof(*params), false);
930 
931 out:
932 	kfree(params);
933 	return ret;
934 }
935 
936 static int wl18xx_enable_interrupts(struct wl1271 *wl)
937 {
938 	u32 event_mask, intr_mask;
939 	int ret;
940 
941 	event_mask = WL18XX_ACX_EVENTS_VECTOR;
942 	intr_mask = WL18XX_INTR_MASK;
943 
944 	ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, event_mask);
945 	if (ret < 0)
946 		goto out;
947 
948 	wlcore_enable_interrupts(wl);
949 
950 	ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK,
951 			       WL1271_ACX_INTR_ALL & ~intr_mask);
952 	if (ret < 0)
953 		goto disable_interrupts;
954 
955 	return ret;
956 
957 disable_interrupts:
958 	wlcore_disable_interrupts(wl);
959 
960 out:
961 	return ret;
962 }
963 
964 static int wl18xx_boot(struct wl1271 *wl)
965 {
966 	int ret;
967 
968 	ret = wl18xx_pre_boot(wl);
969 	if (ret < 0)
970 		goto out;
971 
972 	ret = wl18xx_pre_upload(wl);
973 	if (ret < 0)
974 		goto out;
975 
976 	ret = wlcore_boot_upload_firmware(wl);
977 	if (ret < 0)
978 		goto out;
979 
980 	ret = wl18xx_set_mac_and_phy(wl);
981 	if (ret < 0)
982 		goto out;
983 
984 	wl->event_mask = BSS_LOSS_EVENT_ID |
985 		SCAN_COMPLETE_EVENT_ID |
986 		RSSI_SNR_TRIGGER_0_EVENT_ID |
987 		PERIODIC_SCAN_COMPLETE_EVENT_ID |
988 		PERIODIC_SCAN_REPORT_EVENT_ID |
989 		DUMMY_PACKET_EVENT_ID |
990 		PEER_REMOVE_COMPLETE_EVENT_ID |
991 		BA_SESSION_RX_CONSTRAINT_EVENT_ID |
992 		REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID |
993 		INACTIVE_STA_EVENT_ID |
994 		CHANNEL_SWITCH_COMPLETE_EVENT_ID |
995 		DFS_CHANNELS_CONFIG_COMPLETE_EVENT;
996 
997 	wl->ap_event_mask = MAX_TX_FAILURE_EVENT_ID;
998 
999 	ret = wlcore_boot_run_firmware(wl);
1000 	if (ret < 0)
1001 		goto out;
1002 
1003 	ret = wl18xx_enable_interrupts(wl);
1004 
1005 out:
1006 	return ret;
1007 }
1008 
1009 static int wl18xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr,
1010 			       void *buf, size_t len)
1011 {
1012 	struct wl18xx_priv *priv = wl->priv;
1013 
1014 	memcpy(priv->cmd_buf, buf, len);
1015 	memset(priv->cmd_buf + len, 0, WL18XX_CMD_MAX_SIZE - len);
1016 
1017 	return wlcore_write(wl, cmd_box_addr, priv->cmd_buf,
1018 			    WL18XX_CMD_MAX_SIZE, false);
1019 }
1020 
1021 static int wl18xx_ack_event(struct wl1271 *wl)
1022 {
1023 	return wlcore_write_reg(wl, REG_INTERRUPT_TRIG,
1024 				WL18XX_INTR_TRIG_EVENT_ACK);
1025 }
1026 
1027 static u32 wl18xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks)
1028 {
1029 	u32 blk_size = WL18XX_TX_HW_BLOCK_SIZE;
1030 	return (len + blk_size - 1) / blk_size + spare_blks;
1031 }
1032 
1033 static void
1034 wl18xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1035 			  u32 blks, u32 spare_blks)
1036 {
1037 	desc->wl18xx_mem.total_mem_blocks = blks;
1038 }
1039 
1040 static void
1041 wl18xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1042 			    struct sk_buff *skb)
1043 {
1044 	desc->length = cpu_to_le16(skb->len);
1045 
1046 	/* if only the last frame is to be padded, we unset this bit on Tx */
1047 	if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME)
1048 		desc->wl18xx_mem.ctrl = WL18XX_TX_CTRL_NOT_PADDED;
1049 	else
1050 		desc->wl18xx_mem.ctrl = 0;
1051 
1052 	wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d "
1053 		     "len: %d life: %d mem: %d", desc->hlid,
1054 		     le16_to_cpu(desc->length),
1055 		     le16_to_cpu(desc->life_time),
1056 		     desc->wl18xx_mem.total_mem_blocks);
1057 }
1058 
1059 static enum wl_rx_buf_align
1060 wl18xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc)
1061 {
1062 	if (rx_desc & RX_BUF_PADDED_PAYLOAD)
1063 		return WLCORE_RX_BUF_PADDED;
1064 
1065 	return WLCORE_RX_BUF_ALIGNED;
1066 }
1067 
1068 static u32 wl18xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data,
1069 				    u32 data_len)
1070 {
1071 	struct wl1271_rx_descriptor *desc = rx_data;
1072 
1073 	/* invalid packet */
1074 	if (data_len < sizeof(*desc))
1075 		return 0;
1076 
1077 	return data_len - sizeof(*desc);
1078 }
1079 
1080 static void wl18xx_tx_immediate_completion(struct wl1271 *wl)
1081 {
1082 	wl18xx_tx_immediate_complete(wl);
1083 }
1084 
1085 static int wl18xx_set_host_cfg_bitmap(struct wl1271 *wl, u32 extra_mem_blk)
1086 {
1087 	int ret;
1088 	u32 sdio_align_size = 0;
1089 	u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE |
1090 			      HOST_IF_CFG_ADD_RX_ALIGNMENT;
1091 
1092 	/* Enable Tx SDIO padding */
1093 	if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) {
1094 		host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
1095 		sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
1096 	}
1097 
1098 	/* Enable Rx SDIO padding */
1099 	if (wl->quirks & WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN) {
1100 		host_cfg_bitmap |= HOST_IF_CFG_RX_PAD_TO_SDIO_BLK;
1101 		sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
1102 	}
1103 
1104 	ret = wl18xx_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap,
1105 					    sdio_align_size, extra_mem_blk,
1106 					    WL18XX_HOST_IF_LEN_SIZE_FIELD);
1107 	if (ret < 0)
1108 		return ret;
1109 
1110 	return 0;
1111 }
1112 
1113 static int wl18xx_hw_init(struct wl1271 *wl)
1114 {
1115 	int ret;
1116 	struct wl18xx_priv *priv = wl->priv;
1117 
1118 	/* (re)init private structures. Relevant on recovery as well. */
1119 	priv->last_fw_rls_idx = 0;
1120 	priv->extra_spare_key_count = 0;
1121 
1122 	/* set the default amount of spare blocks in the bitmap */
1123 	ret = wl18xx_set_host_cfg_bitmap(wl, WL18XX_TX_HW_BLOCK_SPARE);
1124 	if (ret < 0)
1125 		return ret;
1126 
1127 	if (checksum_param) {
1128 		ret = wl18xx_acx_set_checksum_state(wl);
1129 		if (ret != 0)
1130 			return ret;
1131 	}
1132 
1133 	return ret;
1134 }
1135 
1136 static void wl18xx_set_tx_desc_csum(struct wl1271 *wl,
1137 				    struct wl1271_tx_hw_descr *desc,
1138 				    struct sk_buff *skb)
1139 {
1140 	u32 ip_hdr_offset;
1141 	struct iphdr *ip_hdr;
1142 
1143 	if (!checksum_param) {
1144 		desc->wl18xx_checksum_data = 0;
1145 		return;
1146 	}
1147 
1148 	if (skb->ip_summed != CHECKSUM_PARTIAL) {
1149 		desc->wl18xx_checksum_data = 0;
1150 		return;
1151 	}
1152 
1153 	ip_hdr_offset = skb_network_header(skb) - skb_mac_header(skb);
1154 	if (WARN_ON(ip_hdr_offset >= (1<<7))) {
1155 		desc->wl18xx_checksum_data = 0;
1156 		return;
1157 	}
1158 
1159 	desc->wl18xx_checksum_data = ip_hdr_offset << 1;
1160 
1161 	/* FW is interested only in the LSB of the protocol  TCP=0 UDP=1 */
1162 	ip_hdr = (void *)skb_network_header(skb);
1163 	desc->wl18xx_checksum_data |= (ip_hdr->protocol & 0x01);
1164 }
1165 
1166 static void wl18xx_set_rx_csum(struct wl1271 *wl,
1167 			       struct wl1271_rx_descriptor *desc,
1168 			       struct sk_buff *skb)
1169 {
1170 	if (desc->status & WL18XX_RX_CHECKSUM_MASK)
1171 		skb->ip_summed = CHECKSUM_UNNECESSARY;
1172 }
1173 
1174 static bool wl18xx_is_mimo_supported(struct wl1271 *wl)
1175 {
1176 	struct wl18xx_priv *priv = wl->priv;
1177 
1178 	/* only support MIMO with multiple antennas, and when SISO
1179 	 * is not forced through config
1180 	 */
1181 	return (priv->conf.phy.number_of_assembled_ant2_4 >= 2) &&
1182 	       (priv->conf.ht.mode != HT_MODE_WIDE) &&
1183 	       (priv->conf.ht.mode != HT_MODE_SISO20);
1184 }
1185 
1186 /*
1187  * TODO: instead of having these two functions to get the rate mask,
1188  * we should modify the wlvif->rate_set instead
1189  */
1190 static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl,
1191 				       struct wl12xx_vif *wlvif)
1192 {
1193 	u32 hw_rate_set = wlvif->rate_set;
1194 
1195 	if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
1196 	    wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
1197 		wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
1198 		hw_rate_set |= CONF_TX_RATE_USE_WIDE_CHAN;
1199 
1200 		/* we don't support MIMO in wide-channel mode */
1201 		hw_rate_set &= ~CONF_TX_MIMO_RATES;
1202 	} else if (wl18xx_is_mimo_supported(wl)) {
1203 		wl1271_debug(DEBUG_ACX, "using MIMO channel rate mask");
1204 		hw_rate_set |= CONF_TX_MIMO_RATES;
1205 	}
1206 
1207 	return hw_rate_set;
1208 }
1209 
1210 static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl,
1211 					     struct wl12xx_vif *wlvif)
1212 {
1213 	if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
1214 	    wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
1215 		wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
1216 
1217 		/* sanity check - we don't support this */
1218 		if (WARN_ON(wlvif->band != IEEE80211_BAND_5GHZ))
1219 			return 0;
1220 
1221 		return CONF_TX_RATE_USE_WIDE_CHAN;
1222 	} else if (wl18xx_is_mimo_supported(wl) &&
1223 		   wlvif->band == IEEE80211_BAND_2GHZ) {
1224 		wl1271_debug(DEBUG_ACX, "using MIMO rate mask");
1225 		/*
1226 		 * we don't care about HT channel here - if a peer doesn't
1227 		 * support MIMO, we won't enable it in its rates
1228 		 */
1229 		return CONF_TX_MIMO_RATES;
1230 	} else {
1231 		return 0;
1232 	}
1233 }
1234 
1235 static const char *wl18xx_rdl_name(enum wl18xx_rdl_num rdl_num)
1236 {
1237 	switch (rdl_num) {
1238 	case RDL_1_HP:
1239 		return "183xH";
1240 	case RDL_2_SP:
1241 		return "183x or 180x";
1242 	case RDL_3_HP:
1243 		return "187xH";
1244 	case RDL_4_SP:
1245 		return "187x";
1246 	case RDL_5_SP:
1247 		return "RDL11 - Not Supported";
1248 	case RDL_6_SP:
1249 		return "180xD";
1250 	case RDL_7_SP:
1251 		return "RDL13 - Not Supported (1893Q)";
1252 	case RDL_8_SP:
1253 		return "18xxQ";
1254 	case RDL_NONE:
1255 		return "UNTRIMMED";
1256 	default:
1257 		return "UNKNOWN";
1258 	}
1259 }
1260 
1261 static int wl18xx_get_pg_ver(struct wl1271 *wl, s8 *ver)
1262 {
1263 	u32 fuse;
1264 	s8 rom = 0, metal = 0, pg_ver = 0, rdl_ver = 0, package_type = 0;
1265 	int ret;
1266 
1267 	ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
1268 	if (ret < 0)
1269 		goto out;
1270 
1271 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
1272 	if (ret < 0)
1273 		goto out;
1274 
1275 	package_type = (fuse >> WL18XX_PACKAGE_TYPE_OFFSET) & 1;
1276 
1277 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_1_3, &fuse);
1278 	if (ret < 0)
1279 		goto out;
1280 
1281 	pg_ver = (fuse & WL18XX_PG_VER_MASK) >> WL18XX_PG_VER_OFFSET;
1282 	rom = (fuse & WL18XX_ROM_VER_MASK) >> WL18XX_ROM_VER_OFFSET;
1283 
1284 	if ((rom <= 0xE) && (package_type == WL18XX_PACKAGE_TYPE_WSP))
1285 		metal = (fuse & WL18XX_METAL_VER_MASK) >>
1286 			WL18XX_METAL_VER_OFFSET;
1287 	else
1288 		metal = (fuse & WL18XX_NEW_METAL_VER_MASK) >>
1289 			WL18XX_NEW_METAL_VER_OFFSET;
1290 
1291 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
1292 	if (ret < 0)
1293 		goto out;
1294 
1295 	rdl_ver = (fuse & WL18XX_RDL_VER_MASK) >> WL18XX_RDL_VER_OFFSET;
1296 
1297 	wl1271_info("wl18xx HW: %s, PG %d.%d (ROM 0x%x)",
1298 		    wl18xx_rdl_name(rdl_ver), pg_ver, metal, rom);
1299 
1300 	if (ver)
1301 		*ver = pg_ver;
1302 
1303 	ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
1304 
1305 out:
1306 	return ret;
1307 }
1308 
1309 #define WL18XX_CONF_FILE_NAME "ti-connectivity/wl18xx-conf.bin"
1310 static int wl18xx_conf_init(struct wl1271 *wl, struct device *dev)
1311 {
1312 	struct wl18xx_priv *priv = wl->priv;
1313 	struct wlcore_conf_file *conf_file;
1314 	const struct firmware *fw;
1315 	int ret;
1316 
1317 	ret = request_firmware(&fw, WL18XX_CONF_FILE_NAME, dev);
1318 	if (ret < 0) {
1319 		wl1271_error("could not get configuration binary %s: %d",
1320 			     WL18XX_CONF_FILE_NAME, ret);
1321 		goto out_fallback;
1322 	}
1323 
1324 	if (fw->size != WL18XX_CONF_SIZE) {
1325 		wl1271_error("configuration binary file size is wrong, expected %zu got %zu",
1326 			     WL18XX_CONF_SIZE, fw->size);
1327 		ret = -EINVAL;
1328 		goto out;
1329 	}
1330 
1331 	conf_file = (struct wlcore_conf_file *) fw->data;
1332 
1333 	if (conf_file->header.magic != cpu_to_le32(WL18XX_CONF_MAGIC)) {
1334 		wl1271_error("configuration binary file magic number mismatch, "
1335 			     "expected 0x%0x got 0x%0x", WL18XX_CONF_MAGIC,
1336 			     conf_file->header.magic);
1337 		ret = -EINVAL;
1338 		goto out;
1339 	}
1340 
1341 	if (conf_file->header.version != cpu_to_le32(WL18XX_CONF_VERSION)) {
1342 		wl1271_error("configuration binary file version not supported, "
1343 			     "expected 0x%08x got 0x%08x",
1344 			     WL18XX_CONF_VERSION, conf_file->header.version);
1345 		ret = -EINVAL;
1346 		goto out;
1347 	}
1348 
1349 	memcpy(&wl->conf, &conf_file->core, sizeof(wl18xx_conf));
1350 	memcpy(&priv->conf, &conf_file->priv, sizeof(priv->conf));
1351 
1352 	goto out;
1353 
1354 out_fallback:
1355 	wl1271_warning("falling back to default config");
1356 
1357 	/* apply driver default configuration */
1358 	memcpy(&wl->conf, &wl18xx_conf, sizeof(wl18xx_conf));
1359 	/* apply default private configuration */
1360 	memcpy(&priv->conf, &wl18xx_default_priv_conf, sizeof(priv->conf));
1361 
1362 	/* For now we just fallback */
1363 	return 0;
1364 
1365 out:
1366 	release_firmware(fw);
1367 	return ret;
1368 }
1369 
1370 static int wl18xx_plt_init(struct wl1271 *wl)
1371 {
1372 	int ret;
1373 
1374 	/* calibrator based auto/fem detect not supported for 18xx */
1375 	if (wl->plt_mode == PLT_FEM_DETECT) {
1376 		wl1271_error("wl18xx_plt_init: PLT FEM_DETECT not supported");
1377 		return -EINVAL;
1378 	}
1379 
1380 	ret = wlcore_write32(wl, WL18XX_SCR_PAD8, WL18XX_SCR_PAD8_PLT);
1381 	if (ret < 0)
1382 		return ret;
1383 
1384 	return wl->ops->boot(wl);
1385 }
1386 
1387 static int wl18xx_get_mac(struct wl1271 *wl)
1388 {
1389 	u32 mac1, mac2;
1390 	int ret;
1391 
1392 	ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
1393 	if (ret < 0)
1394 		goto out;
1395 
1396 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_1, &mac1);
1397 	if (ret < 0)
1398 		goto out;
1399 
1400 	ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_2, &mac2);
1401 	if (ret < 0)
1402 		goto out;
1403 
1404 	/* these are the two parts of the BD_ADDR */
1405 	wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
1406 		((mac1 & 0xff000000) >> 24);
1407 	wl->fuse_nic_addr = (mac1 & 0xffffff);
1408 
1409 	if (!wl->fuse_oui_addr && !wl->fuse_nic_addr) {
1410 		u8 mac[ETH_ALEN];
1411 
1412 		eth_random_addr(mac);
1413 
1414 		wl->fuse_oui_addr = (mac[0] << 16) + (mac[1] << 8) + mac[2];
1415 		wl->fuse_nic_addr = (mac[3] << 16) + (mac[4] << 8) + mac[5];
1416 		wl1271_warning("MAC address from fuse not available, using random locally administered addresses.");
1417 	}
1418 
1419 	ret = wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
1420 
1421 out:
1422 	return ret;
1423 }
1424 
1425 static int wl18xx_handle_static_data(struct wl1271 *wl,
1426 				     struct wl1271_static_data *static_data)
1427 {
1428 	struct wl18xx_static_data_priv *static_data_priv =
1429 		(struct wl18xx_static_data_priv *) static_data->priv;
1430 
1431 	strncpy(wl->chip.phy_fw_ver_str, static_data_priv->phy_version,
1432 		sizeof(wl->chip.phy_fw_ver_str));
1433 
1434 	/* make sure the string is NULL-terminated */
1435 	wl->chip.phy_fw_ver_str[sizeof(wl->chip.phy_fw_ver_str) - 1] = '\0';
1436 
1437 	wl1271_info("PHY firmware version: %s", static_data_priv->phy_version);
1438 
1439 	return 0;
1440 }
1441 
1442 static int wl18xx_get_spare_blocks(struct wl1271 *wl, bool is_gem)
1443 {
1444 	struct wl18xx_priv *priv = wl->priv;
1445 
1446 	/* If we have keys requiring extra spare, indulge them */
1447 	if (priv->extra_spare_key_count)
1448 		return WL18XX_TX_HW_EXTRA_BLOCK_SPARE;
1449 
1450 	return WL18XX_TX_HW_BLOCK_SPARE;
1451 }
1452 
1453 static int wl18xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
1454 			  struct ieee80211_vif *vif,
1455 			  struct ieee80211_sta *sta,
1456 			  struct ieee80211_key_conf *key_conf)
1457 {
1458 	struct wl18xx_priv *priv = wl->priv;
1459 	bool change_spare = false, special_enc;
1460 	int ret;
1461 
1462 	wl1271_debug(DEBUG_CRYPT, "extra spare keys before: %d",
1463 		     priv->extra_spare_key_count);
1464 
1465 	special_enc = key_conf->cipher == WL1271_CIPHER_SUITE_GEM ||
1466 		      key_conf->cipher == WLAN_CIPHER_SUITE_TKIP;
1467 
1468 	ret = wlcore_set_key(wl, cmd, vif, sta, key_conf);
1469 	if (ret < 0)
1470 		goto out;
1471 
1472 	/*
1473 	 * when adding the first or removing the last GEM/TKIP key,
1474 	 * we have to adjust the number of spare blocks.
1475 	 */
1476 	if (special_enc) {
1477 		if (cmd == SET_KEY) {
1478 			/* first key */
1479 			change_spare = (priv->extra_spare_key_count == 0);
1480 			priv->extra_spare_key_count++;
1481 		} else if (cmd == DISABLE_KEY) {
1482 			/* last key */
1483 			change_spare = (priv->extra_spare_key_count == 1);
1484 			priv->extra_spare_key_count--;
1485 		}
1486 	}
1487 
1488 	wl1271_debug(DEBUG_CRYPT, "extra spare keys after: %d",
1489 		     priv->extra_spare_key_count);
1490 
1491 	if (!change_spare)
1492 		goto out;
1493 
1494 	/* key is now set, change the spare blocks */
1495 	if (priv->extra_spare_key_count)
1496 		ret = wl18xx_set_host_cfg_bitmap(wl,
1497 					WL18XX_TX_HW_EXTRA_BLOCK_SPARE);
1498 	else
1499 		ret = wl18xx_set_host_cfg_bitmap(wl,
1500 					WL18XX_TX_HW_BLOCK_SPARE);
1501 
1502 out:
1503 	return ret;
1504 }
1505 
1506 static u32 wl18xx_pre_pkt_send(struct wl1271 *wl,
1507 			       u32 buf_offset, u32 last_len)
1508 {
1509 	if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME) {
1510 		struct wl1271_tx_hw_descr *last_desc;
1511 
1512 		/* get the last TX HW descriptor written to the aggr buf */
1513 		last_desc = (struct wl1271_tx_hw_descr *)(wl->aggr_buf +
1514 							buf_offset - last_len);
1515 
1516 		/* the last frame is padded up to an SDIO block */
1517 		last_desc->wl18xx_mem.ctrl &= ~WL18XX_TX_CTRL_NOT_PADDED;
1518 		return ALIGN(buf_offset, WL12XX_BUS_BLOCK_SIZE);
1519 	}
1520 
1521 	/* no modifications */
1522 	return buf_offset;
1523 }
1524 
1525 static void wl18xx_sta_rc_update(struct wl1271 *wl,
1526 				 struct wl12xx_vif *wlvif,
1527 				 struct ieee80211_sta *sta,
1528 				 u32 changed)
1529 {
1530 	bool wide = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
1531 
1532 	wl1271_debug(DEBUG_MAC80211, "mac80211 sta_rc_update wide %d", wide);
1533 
1534 	if (!(changed & IEEE80211_RC_BW_CHANGED))
1535 		return;
1536 
1537 	mutex_lock(&wl->mutex);
1538 
1539 	/* sanity */
1540 	if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS))
1541 		goto out;
1542 
1543 	/* ignore the change before association */
1544 	if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
1545 		goto out;
1546 
1547 	/*
1548 	 * If we started out as wide, we can change the operation mode. If we
1549 	 * thought this was a 20mhz AP, we have to reconnect
1550 	 */
1551 	if (wlvif->sta.role_chan_type == NL80211_CHAN_HT40MINUS ||
1552 	    wlvif->sta.role_chan_type == NL80211_CHAN_HT40PLUS)
1553 		wl18xx_acx_peer_ht_operation_mode(wl, wlvif->sta.hlid, wide);
1554 	else
1555 		ieee80211_connection_loss(wl12xx_wlvif_to_vif(wlvif));
1556 
1557 out:
1558 	mutex_unlock(&wl->mutex);
1559 }
1560 
1561 static int wl18xx_set_peer_cap(struct wl1271 *wl,
1562 			       struct ieee80211_sta_ht_cap *ht_cap,
1563 			       bool allow_ht_operation,
1564 			       u32 rate_set, u8 hlid)
1565 {
1566 	return wl18xx_acx_set_peer_cap(wl, ht_cap, allow_ht_operation,
1567 				       rate_set, hlid);
1568 }
1569 
1570 static bool wl18xx_lnk_high_prio(struct wl1271 *wl, u8 hlid,
1571 				 struct wl1271_link *lnk)
1572 {
1573 	u8 thold;
1574 	struct wl18xx_fw_status_priv *status_priv =
1575 		(struct wl18xx_fw_status_priv *)wl->fw_status_2->priv;
1576 	u32 suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
1577 
1578 	/* suspended links are never high priority */
1579 	if (test_bit(hlid, (unsigned long *)&suspend_bitmap))
1580 		return false;
1581 
1582 	/* the priority thresholds are taken from FW */
1583 	if (test_bit(hlid, (unsigned long *)&wl->fw_fast_lnk_map) &&
1584 	    !test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map))
1585 		thold = status_priv->tx_fast_link_prio_threshold;
1586 	else
1587 		thold = status_priv->tx_slow_link_prio_threshold;
1588 
1589 	return lnk->allocated_pkts < thold;
1590 }
1591 
1592 static bool wl18xx_lnk_low_prio(struct wl1271 *wl, u8 hlid,
1593 				struct wl1271_link *lnk)
1594 {
1595 	u8 thold;
1596 	struct wl18xx_fw_status_priv *status_priv =
1597 		(struct wl18xx_fw_status_priv *)wl->fw_status_2->priv;
1598 	u32 suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
1599 
1600 	if (test_bit(hlid, (unsigned long *)&suspend_bitmap))
1601 		thold = status_priv->tx_suspend_threshold;
1602 	else if (test_bit(hlid, (unsigned long *)&wl->fw_fast_lnk_map) &&
1603 		 !test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map))
1604 		thold = status_priv->tx_fast_stop_threshold;
1605 	else
1606 		thold = status_priv->tx_slow_stop_threshold;
1607 
1608 	return lnk->allocated_pkts < thold;
1609 }
1610 
1611 static u32 wl18xx_convert_hwaddr(struct wl1271 *wl, u32 hwaddr)
1612 {
1613 	return hwaddr & ~0x80000000;
1614 }
1615 
1616 static int wl18xx_setup(struct wl1271 *wl);
1617 
1618 static struct wlcore_ops wl18xx_ops = {
1619 	.setup		= wl18xx_setup,
1620 	.identify_chip	= wl18xx_identify_chip,
1621 	.boot		= wl18xx_boot,
1622 	.plt_init	= wl18xx_plt_init,
1623 	.trigger_cmd	= wl18xx_trigger_cmd,
1624 	.ack_event	= wl18xx_ack_event,
1625 	.wait_for_event	= wl18xx_wait_for_event,
1626 	.process_mailbox_events = wl18xx_process_mailbox_events,
1627 	.calc_tx_blocks = wl18xx_calc_tx_blocks,
1628 	.set_tx_desc_blocks = wl18xx_set_tx_desc_blocks,
1629 	.set_tx_desc_data_len = wl18xx_set_tx_desc_data_len,
1630 	.get_rx_buf_align = wl18xx_get_rx_buf_align,
1631 	.get_rx_packet_len = wl18xx_get_rx_packet_len,
1632 	.tx_immediate_compl = wl18xx_tx_immediate_completion,
1633 	.tx_delayed_compl = NULL,
1634 	.hw_init	= wl18xx_hw_init,
1635 	.set_tx_desc_csum = wl18xx_set_tx_desc_csum,
1636 	.get_pg_ver	= wl18xx_get_pg_ver,
1637 	.set_rx_csum = wl18xx_set_rx_csum,
1638 	.sta_get_ap_rate_mask = wl18xx_sta_get_ap_rate_mask,
1639 	.ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask,
1640 	.get_mac	= wl18xx_get_mac,
1641 	.debugfs_init	= wl18xx_debugfs_add_files,
1642 	.scan_start	= wl18xx_scan_start,
1643 	.scan_stop	= wl18xx_scan_stop,
1644 	.sched_scan_start	= wl18xx_sched_scan_start,
1645 	.sched_scan_stop	= wl18xx_scan_sched_scan_stop,
1646 	.handle_static_data	= wl18xx_handle_static_data,
1647 	.get_spare_blocks = wl18xx_get_spare_blocks,
1648 	.set_key	= wl18xx_set_key,
1649 	.channel_switch	= wl18xx_cmd_channel_switch,
1650 	.pre_pkt_send	= wl18xx_pre_pkt_send,
1651 	.sta_rc_update	= wl18xx_sta_rc_update,
1652 	.set_peer_cap	= wl18xx_set_peer_cap,
1653 	.convert_hwaddr = wl18xx_convert_hwaddr,
1654 	.lnk_high_prio	= wl18xx_lnk_high_prio,
1655 	.lnk_low_prio	= wl18xx_lnk_low_prio,
1656 };
1657 
1658 /* HT cap appropriate for wide channels in 2Ghz */
1659 static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_2ghz = {
1660 	.cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
1661 	       IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_DSSSCCK40 |
1662 	       IEEE80211_HT_CAP_GRN_FLD,
1663 	.ht_supported = true,
1664 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1665 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1666 	.mcs = {
1667 		.rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1668 		.rx_highest = cpu_to_le16(150),
1669 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1670 		},
1671 };
1672 
1673 /* HT cap appropriate for wide channels in 5Ghz */
1674 static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_5ghz = {
1675 	.cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
1676 	       IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
1677 	       IEEE80211_HT_CAP_GRN_FLD,
1678 	.ht_supported = true,
1679 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1680 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1681 	.mcs = {
1682 		.rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1683 		.rx_highest = cpu_to_le16(150),
1684 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1685 		},
1686 };
1687 
1688 /* HT cap appropriate for SISO 20 */
1689 static struct ieee80211_sta_ht_cap wl18xx_siso20_ht_cap = {
1690 	.cap = IEEE80211_HT_CAP_SGI_20 |
1691 	       IEEE80211_HT_CAP_GRN_FLD,
1692 	.ht_supported = true,
1693 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1694 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1695 	.mcs = {
1696 		.rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1697 		.rx_highest = cpu_to_le16(72),
1698 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1699 		},
1700 };
1701 
1702 /* HT cap appropriate for MIMO rates in 20mhz channel */
1703 static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap_2ghz = {
1704 	.cap = IEEE80211_HT_CAP_SGI_20 |
1705 	       IEEE80211_HT_CAP_GRN_FLD,
1706 	.ht_supported = true,
1707 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1708 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1709 	.mcs = {
1710 		.rx_mask = { 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, },
1711 		.rx_highest = cpu_to_le16(144),
1712 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1713 		},
1714 };
1715 
1716 static int wl18xx_setup(struct wl1271 *wl)
1717 {
1718 	struct wl18xx_priv *priv = wl->priv;
1719 	int ret;
1720 
1721 	wl->rtable = wl18xx_rtable;
1722 	wl->num_tx_desc = WL18XX_NUM_TX_DESCRIPTORS;
1723 	wl->num_rx_desc = WL18XX_NUM_RX_DESCRIPTORS;
1724 	wl->num_channels = 2;
1725 	wl->num_mac_addr = WL18XX_NUM_MAC_ADDRESSES;
1726 	wl->band_rate_to_idx = wl18xx_band_rate_to_idx;
1727 	wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX;
1728 	wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0;
1729 	wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv);
1730 	wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics);
1731 	wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv);
1732 
1733 	if (num_rx_desc_param != -1)
1734 		wl->num_rx_desc = num_rx_desc_param;
1735 
1736 	ret = wl18xx_conf_init(wl, wl->dev);
1737 	if (ret < 0)
1738 		return ret;
1739 
1740 	/* If the module param is set, update it in conf */
1741 	if (board_type_param) {
1742 		if (!strcmp(board_type_param, "fpga")) {
1743 			priv->conf.phy.board_type = BOARD_TYPE_FPGA_18XX;
1744 		} else if (!strcmp(board_type_param, "hdk")) {
1745 			priv->conf.phy.board_type = BOARD_TYPE_HDK_18XX;
1746 		} else if (!strcmp(board_type_param, "dvp")) {
1747 			priv->conf.phy.board_type = BOARD_TYPE_DVP_18XX;
1748 		} else if (!strcmp(board_type_param, "evb")) {
1749 			priv->conf.phy.board_type = BOARD_TYPE_EVB_18XX;
1750 		} else if (!strcmp(board_type_param, "com8")) {
1751 			priv->conf.phy.board_type = BOARD_TYPE_COM8_18XX;
1752 		} else {
1753 			wl1271_error("invalid board type '%s'",
1754 				board_type_param);
1755 			return -EINVAL;
1756 		}
1757 	}
1758 
1759 	if (priv->conf.phy.board_type >= NUM_BOARD_TYPES) {
1760 		wl1271_error("invalid board type '%d'",
1761 			priv->conf.phy.board_type);
1762 		return -EINVAL;
1763 	}
1764 
1765 	if (low_band_component_param != -1)
1766 		priv->conf.phy.low_band_component = low_band_component_param;
1767 	if (low_band_component_type_param != -1)
1768 		priv->conf.phy.low_band_component_type =
1769 			low_band_component_type_param;
1770 	if (high_band_component_param != -1)
1771 		priv->conf.phy.high_band_component = high_band_component_param;
1772 	if (high_band_component_type_param != -1)
1773 		priv->conf.phy.high_band_component_type =
1774 			high_band_component_type_param;
1775 	if (pwr_limit_reference_11_abg_param != -1)
1776 		priv->conf.phy.pwr_limit_reference_11_abg =
1777 			pwr_limit_reference_11_abg_param;
1778 	if (n_antennas_2_param != -1)
1779 		priv->conf.phy.number_of_assembled_ant2_4 = n_antennas_2_param;
1780 	if (n_antennas_5_param != -1)
1781 		priv->conf.phy.number_of_assembled_ant5 = n_antennas_5_param;
1782 	if (dc2dc_param != -1)
1783 		priv->conf.phy.external_pa_dc2dc = dc2dc_param;
1784 
1785 	if (ht_mode_param) {
1786 		if (!strcmp(ht_mode_param, "default"))
1787 			priv->conf.ht.mode = HT_MODE_DEFAULT;
1788 		else if (!strcmp(ht_mode_param, "wide"))
1789 			priv->conf.ht.mode = HT_MODE_WIDE;
1790 		else if (!strcmp(ht_mode_param, "siso20"))
1791 			priv->conf.ht.mode = HT_MODE_SISO20;
1792 		else {
1793 			wl1271_error("invalid ht_mode '%s'", ht_mode_param);
1794 			return -EINVAL;
1795 		}
1796 	}
1797 
1798 	if (priv->conf.ht.mode == HT_MODE_DEFAULT) {
1799 		/*
1800 		 * Only support mimo with multiple antennas. Fall back to
1801 		 * siso40.
1802 		 */
1803 		if (wl18xx_is_mimo_supported(wl))
1804 			wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
1805 					  &wl18xx_mimo_ht_cap_2ghz);
1806 		else
1807 			wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
1808 					  &wl18xx_siso40_ht_cap_2ghz);
1809 
1810 		/* 5Ghz is always wide */
1811 		wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
1812 				  &wl18xx_siso40_ht_cap_5ghz);
1813 	} else if (priv->conf.ht.mode == HT_MODE_WIDE) {
1814 		wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
1815 				  &wl18xx_siso40_ht_cap_2ghz);
1816 		wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
1817 				  &wl18xx_siso40_ht_cap_5ghz);
1818 	} else if (priv->conf.ht.mode == HT_MODE_SISO20) {
1819 		wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
1820 				  &wl18xx_siso20_ht_cap);
1821 		wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
1822 				  &wl18xx_siso20_ht_cap);
1823 	}
1824 
1825 	if (!checksum_param) {
1826 		wl18xx_ops.set_rx_csum = NULL;
1827 		wl18xx_ops.init_vif = NULL;
1828 	}
1829 
1830 	/* Enable 11a Band only if we have 5G antennas */
1831 	wl->enable_11a = (priv->conf.phy.number_of_assembled_ant5 != 0);
1832 
1833 	return 0;
1834 }
1835 
1836 static int wl18xx_probe(struct platform_device *pdev)
1837 {
1838 	struct wl1271 *wl;
1839 	struct ieee80211_hw *hw;
1840 	int ret;
1841 
1842 	hw = wlcore_alloc_hw(sizeof(struct wl18xx_priv),
1843 			     WL18XX_AGGR_BUFFER_SIZE,
1844 			     sizeof(struct wl18xx_event_mailbox));
1845 	if (IS_ERR(hw)) {
1846 		wl1271_error("can't allocate hw");
1847 		ret = PTR_ERR(hw);
1848 		goto out;
1849 	}
1850 
1851 	wl = hw->priv;
1852 	wl->ops = &wl18xx_ops;
1853 	wl->ptable = wl18xx_ptable;
1854 	ret = wlcore_probe(wl, pdev);
1855 	if (ret)
1856 		goto out_free;
1857 
1858 	return ret;
1859 
1860 out_free:
1861 	wlcore_free_hw(wl);
1862 out:
1863 	return ret;
1864 }
1865 
1866 static const struct platform_device_id wl18xx_id_table[] = {
1867 	{ "wl18xx", 0 },
1868 	{  } /* Terminating Entry */
1869 };
1870 MODULE_DEVICE_TABLE(platform, wl18xx_id_table);
1871 
1872 static struct platform_driver wl18xx_driver = {
1873 	.probe		= wl18xx_probe,
1874 	.remove		= wlcore_remove,
1875 	.id_table	= wl18xx_id_table,
1876 	.driver = {
1877 		.name	= "wl18xx_driver",
1878 		.owner	= THIS_MODULE,
1879 	}
1880 };
1881 
1882 module_platform_driver(wl18xx_driver);
1883 module_param_named(ht_mode, ht_mode_param, charp, S_IRUSR);
1884 MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or siso20");
1885 
1886 module_param_named(board_type, board_type_param, charp, S_IRUSR);
1887 MODULE_PARM_DESC(board_type, "Board type: fpga, hdk (default), evb, com8 or "
1888 		 "dvp");
1889 
1890 module_param_named(checksum, checksum_param, bool, S_IRUSR);
1891 MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to false)");
1892 
1893 module_param_named(dc2dc, dc2dc_param, int, S_IRUSR);
1894 MODULE_PARM_DESC(dc2dc, "External DC2DC: u8 (defaults to 0)");
1895 
1896 module_param_named(n_antennas_2, n_antennas_2_param, int, S_IRUSR);
1897 MODULE_PARM_DESC(n_antennas_2,
1898 		 "Number of installed 2.4GHz antennas: 1 (default) or 2");
1899 
1900 module_param_named(n_antennas_5, n_antennas_5_param, int, S_IRUSR);
1901 MODULE_PARM_DESC(n_antennas_5,
1902 		 "Number of installed 5GHz antennas: 1 (default) or 2");
1903 
1904 module_param_named(low_band_component, low_band_component_param, int,
1905 		   S_IRUSR);
1906 MODULE_PARM_DESC(low_band_component, "Low band component: u8 "
1907 		 "(default is 0x01)");
1908 
1909 module_param_named(low_band_component_type, low_band_component_type_param,
1910 		   int, S_IRUSR);
1911 MODULE_PARM_DESC(low_band_component_type, "Low band component type: u8 "
1912 		 "(default is 0x05 or 0x06 depending on the board_type)");
1913 
1914 module_param_named(high_band_component, high_band_component_param, int,
1915 		   S_IRUSR);
1916 MODULE_PARM_DESC(high_band_component, "High band component: u8, "
1917 		 "(default is 0x01)");
1918 
1919 module_param_named(high_band_component_type, high_band_component_type_param,
1920 		   int, S_IRUSR);
1921 MODULE_PARM_DESC(high_band_component_type, "High band component type: u8 "
1922 		 "(default is 0x09)");
1923 
1924 module_param_named(pwr_limit_reference_11_abg,
1925 		   pwr_limit_reference_11_abg_param, int, S_IRUSR);
1926 MODULE_PARM_DESC(pwr_limit_reference_11_abg, "Power limit reference: u8 "
1927 		 "(default is 0xc8)");
1928 
1929 module_param_named(num_rx_desc,
1930 		   num_rx_desc_param, int, S_IRUSR);
1931 MODULE_PARM_DESC(num_rx_desc_param,
1932 		 "Number of Rx descriptors: u8 (default is 32)");
1933 
1934 MODULE_LICENSE("GPL v2");
1935 MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
1936 MODULE_FIRMWARE(WL18XX_FW_NAME);
1937