Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / wireless / ti / wl18xx / main.c
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                 .suspend_rx_ba_activity      = 0,
382         },
383         .itrim = {
384                 .enable = false,
385                 .timeout = 50000,
386         },
387         .pm_config = {
388                 .host_clk_settling_time = 5000,
389                 .host_fast_wakeup_support = CONF_FAST_WAKEUP_DISABLE,
390         },
391         .roam_trigger = {
392                 .trigger_pacing               = 1,
393                 .avg_weight_rssi_beacon       = 20,
394                 .avg_weight_rssi_data         = 10,
395                 .avg_weight_snr_beacon        = 20,
396                 .avg_weight_snr_data          = 10,
397         },
398         .scan = {
399                 .min_dwell_time_active        = 7500,
400                 .max_dwell_time_active        = 30000,
401                 .min_dwell_time_active_long   = 25000,
402                 .max_dwell_time_active_long   = 50000,
403                 .dwell_time_passive           = 100000,
404                 .dwell_time_dfs               = 150000,
405                 .num_probe_reqs               = 2,
406                 .split_scan_timeout           = 50000,
407         },
408         .sched_scan = {
409                 /*
410                  * Values are in TU/1000 but since sched scan FW command
411                  * params are in TUs rounding up may occur.
412                  */
413                 .base_dwell_time                = 7500,
414                 .max_dwell_time_delta           = 22500,
415                 /* based on 250bits per probe @1Mbps */
416                 .dwell_time_delta_per_probe     = 2000,
417                 /* based on 250bits per probe @6Mbps (plus a bit more) */
418                 .dwell_time_delta_per_probe_5   = 350,
419                 .dwell_time_passive             = 100000,
420                 .dwell_time_dfs                 = 150000,
421                 .num_probe_reqs                 = 2,
422                 .rssi_threshold                 = -90,
423                 .snr_threshold                  = 0,
424         },
425         .ht = {
426                 .rx_ba_win_size = 32,
427                 .tx_ba_win_size = 64,
428                 .inactivity_timeout = 10000,
429                 .tx_ba_tid_bitmap = CONF_TX_BA_ENABLED_TID_BITMAP,
430         },
431         .mem = {
432                 .num_stations                 = 1,
433                 .ssid_profiles                = 1,
434                 .rx_block_num                 = 40,
435                 .tx_min_block_num             = 40,
436                 .dynamic_memory               = 1,
437                 .min_req_tx_blocks            = 45,
438                 .min_req_rx_blocks            = 22,
439                 .tx_min                       = 27,
440         },
441         .fm_coex = {
442                 .enable                       = true,
443                 .swallow_period               = 5,
444                 .n_divider_fref_set_1         = 0xff,       /* default */
445                 .n_divider_fref_set_2         = 12,
446                 .m_divider_fref_set_1         = 0xffff,
447                 .m_divider_fref_set_2         = 148,        /* default */
448                 .coex_pll_stabilization_time  = 0xffffffff, /* default */
449                 .ldo_stabilization_time       = 0xffff,     /* default */
450                 .fm_disturbed_band_margin     = 0xff,       /* default */
451                 .swallow_clk_diff             = 0xff,       /* default */
452         },
453         .rx_streaming = {
454                 .duration                      = 150,
455                 .queues                        = 0x1,
456                 .interval                      = 20,
457                 .always                        = 0,
458         },
459         .fwlog = {
460                 .mode                         = WL12XX_FWLOG_CONTINUOUS,
461                 .mem_blocks                   = 2,
462                 .severity                     = 0,
463                 .timestamp                    = WL12XX_FWLOG_TIMESTAMP_DISABLED,
464                 .output                       = WL12XX_FWLOG_OUTPUT_DBG_PINS,
465                 .threshold                    = 0,
466         },
467         .rate = {
468                 .rate_retry_score = 32000,
469                 .per_add = 8192,
470                 .per_th1 = 2048,
471                 .per_th2 = 4096,
472                 .max_per = 8100,
473                 .inverse_curiosity_factor = 5,
474                 .tx_fail_low_th = 4,
475                 .tx_fail_high_th = 10,
476                 .per_alpha_shift = 4,
477                 .per_add_shift = 13,
478                 .per_beta1_shift = 10,
479                 .per_beta2_shift = 8,
480                 .rate_check_up = 2,
481                 .rate_check_down = 12,
482                 .rate_retry_policy = {
483                         0x00, 0x00, 0x00, 0x00, 0x00,
484                         0x00, 0x00, 0x00, 0x00, 0x00,
485                         0x00, 0x00, 0x00,
486                 },
487         },
488         .hangover = {
489                 .recover_time               = 0,
490                 .hangover_period            = 20,
491                 .dynamic_mode               = 1,
492                 .early_termination_mode     = 1,
493                 .max_period                 = 20,
494                 .min_period                 = 1,
495                 .increase_delta             = 1,
496                 .decrease_delta             = 2,
497                 .quiet_time                 = 4,
498                 .increase_time              = 1,
499                 .window_size                = 16,
500         },
501         .recovery = {
502                 .bug_on_recovery            = 0,
503                 .no_recovery                = 0,
504         },
505 };
506
507 static struct wl18xx_priv_conf wl18xx_default_priv_conf = {
508         .ht = {
509                 .mode                           = HT_MODE_WIDE,
510         },
511         .phy = {
512                 .phy_standalone                 = 0x00,
513                 .primary_clock_setting_time     = 0x05,
514                 .clock_valid_on_wake_up         = 0x00,
515                 .secondary_clock_setting_time   = 0x05,
516                 .board_type                     = BOARD_TYPE_HDK_18XX,
517                 .auto_detect                    = 0x00,
518                 .dedicated_fem                  = FEM_NONE,
519                 .low_band_component             = COMPONENT_3_WAY_SWITCH,
520                 .low_band_component_type        = 0x05,
521                 .high_band_component            = COMPONENT_2_WAY_SWITCH,
522                 .high_band_component_type       = 0x09,
523                 .tcxo_ldo_voltage               = 0x00,
524                 .xtal_itrim_val                 = 0x04,
525                 .srf_state                      = 0x00,
526                 .io_configuration               = 0x01,
527                 .sdio_configuration             = 0x00,
528                 .settings                       = 0x00,
529                 .enable_clpc                    = 0x00,
530                 .enable_tx_low_pwr_on_siso_rdl  = 0x00,
531                 .rx_profile                     = 0x00,
532                 .pwr_limit_reference_11_abg     = 0x64,
533                 .per_chan_pwr_limit_arr_11abg   = {
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, 0xff, 0xff, 0xff,
550                         0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
551                 .pwr_limit_reference_11p        = 0x64,
552                 .per_chan_bo_mode_11_abg        = { 0x00, 0x00, 0x00, 0x00,
553                                                     0x00, 0x00, 0x00, 0x00,
554                                                     0x00, 0x00, 0x00, 0x00,
555                                                     0x00 },
556                 .per_chan_bo_mode_11_p          = { 0x00, 0x00, 0x00, 0x00 },
557                 .per_chan_pwr_limit_arr_11p     = { 0xff, 0xff, 0xff, 0xff,
558                                                     0xff, 0xff, 0xff },
559                 .psat                           = 0,
560                 .external_pa_dc2dc              = 0,
561                 .number_of_assembled_ant2_4     = 2,
562                 .number_of_assembled_ant5       = 1,
563                 .low_power_val                  = 0xff,
564                 .med_power_val                  = 0xff,
565                 .high_power_val                 = 0xff,
566                 .low_power_val_2nd              = 0xff,
567                 .med_power_val_2nd              = 0xff,
568                 .high_power_val_2nd             = 0xff,
569                 .tx_rf_margin                   = 1,
570         },
571         .ap_sleep = {               /* disabled by default */
572                 .idle_duty_cycle        = 0,
573                 .connected_duty_cycle   = 0,
574                 .max_stations_thresh    = 0,
575                 .idle_conn_thresh       = 0,
576         },
577 };
578
579 static const struct wlcore_partition_set wl18xx_ptable[PART_TABLE_LEN] = {
580         [PART_TOP_PRCM_ELP_SOC] = {
581                 .mem  = { .start = 0x00A02000, .size  = 0x00010000 },
582                 .reg  = { .start = 0x00807000, .size  = 0x00005000 },
583                 .mem2 = { .start = 0x00800000, .size  = 0x0000B000 },
584                 .mem3 = { .start = 0x00000000, .size  = 0x00000000 },
585         },
586         [PART_DOWN] = {
587                 .mem  = { .start = 0x00000000, .size  = 0x00014000 },
588                 .reg  = { .start = 0x00810000, .size  = 0x0000BFFF },
589                 .mem2 = { .start = 0x00000000, .size  = 0x00000000 },
590                 .mem3 = { .start = 0x00000000, .size  = 0x00000000 },
591         },
592         [PART_BOOT] = {
593                 .mem  = { .start = 0x00700000, .size = 0x0000030c },
594                 .reg  = { .start = 0x00802000, .size = 0x00014578 },
595                 .mem2 = { .start = 0x00B00404, .size = 0x00001000 },
596                 .mem3 = { .start = 0x00C00000, .size = 0x00000400 },
597         },
598         [PART_WORK] = {
599                 .mem  = { .start = 0x00800000, .size  = 0x000050FC },
600                 .reg  = { .start = 0x00B00404, .size  = 0x00001000 },
601                 .mem2 = { .start = 0x00C00000, .size  = 0x00000400 },
602                 .mem3 = { .start = 0x00000000, .size  = 0x00000000 },
603         },
604         [PART_PHY_INIT] = {
605                 .mem  = { .start = WL18XX_PHY_INIT_MEM_ADDR,
606                           .size  = WL18XX_PHY_INIT_MEM_SIZE },
607                 .reg  = { .start = 0x00000000, .size = 0x00000000 },
608                 .mem2 = { .start = 0x00000000, .size = 0x00000000 },
609                 .mem3 = { .start = 0x00000000, .size = 0x00000000 },
610         },
611 };
612
613 static const int wl18xx_rtable[REG_TABLE_LEN] = {
614         [REG_ECPU_CONTROL]              = WL18XX_REG_ECPU_CONTROL,
615         [REG_INTERRUPT_NO_CLEAR]        = WL18XX_REG_INTERRUPT_NO_CLEAR,
616         [REG_INTERRUPT_ACK]             = WL18XX_REG_INTERRUPT_ACK,
617         [REG_COMMAND_MAILBOX_PTR]       = WL18XX_REG_COMMAND_MAILBOX_PTR,
618         [REG_EVENT_MAILBOX_PTR]         = WL18XX_REG_EVENT_MAILBOX_PTR,
619         [REG_INTERRUPT_TRIG]            = WL18XX_REG_INTERRUPT_TRIG_H,
620         [REG_INTERRUPT_MASK]            = WL18XX_REG_INTERRUPT_MASK,
621         [REG_PC_ON_RECOVERY]            = WL18XX_SCR_PAD4,
622         [REG_CHIP_ID_B]                 = WL18XX_REG_CHIP_ID_B,
623         [REG_CMD_MBOX_ADDRESS]          = WL18XX_CMD_MBOX_ADDRESS,
624
625         /* data access memory addresses, used with partition translation */
626         [REG_SLV_MEM_DATA]              = WL18XX_SLV_MEM_DATA,
627         [REG_SLV_REG_DATA]              = WL18XX_SLV_REG_DATA,
628
629         /* raw data access memory addresses */
630         [REG_RAW_FW_STATUS_ADDR]        = WL18XX_FW_STATUS_ADDR,
631 };
632
633 static const struct wl18xx_clk_cfg wl18xx_clk_table_coex[NUM_CLOCK_CONFIGS] = {
634         [CLOCK_CONFIG_16_2_M]   = { 8,  121, 0, 0, false },
635         [CLOCK_CONFIG_16_368_M] = { 8,  120, 0, 0, false },
636         [CLOCK_CONFIG_16_8_M]   = { 8,  117, 0, 0, false },
637         [CLOCK_CONFIG_19_2_M]   = { 10, 128, 0, 0, false },
638         [CLOCK_CONFIG_26_M]     = { 11, 104, 0, 0, false },
639         [CLOCK_CONFIG_32_736_M] = { 8,  120, 0, 0, false },
640         [CLOCK_CONFIG_33_6_M]   = { 8,  117, 0, 0, false },
641         [CLOCK_CONFIG_38_468_M] = { 10, 128, 0, 0, false },
642         [CLOCK_CONFIG_52_M]     = { 11, 104, 0, 0, false },
643 };
644
645 static const struct wl18xx_clk_cfg wl18xx_clk_table[NUM_CLOCK_CONFIGS] = {
646         [CLOCK_CONFIG_16_2_M]   = { 7,  104,  801, 4,  true },
647         [CLOCK_CONFIG_16_368_M] = { 9,  132, 3751, 4,  true },
648         [CLOCK_CONFIG_16_8_M]   = { 7,  100,    0, 0, false },
649         [CLOCK_CONFIG_19_2_M]   = { 8,  100,    0, 0, false },
650         [CLOCK_CONFIG_26_M]     = { 13, 120,    0, 0, false },
651         [CLOCK_CONFIG_32_736_M] = { 9,  132, 3751, 4,  true },
652         [CLOCK_CONFIG_33_6_M]   = { 7,  100,    0, 0, false },
653         [CLOCK_CONFIG_38_468_M] = { 8,  100,    0, 0, false },
654         [CLOCK_CONFIG_52_M]     = { 13, 120,    0, 0, false },
655 };
656
657 /* TODO: maybe move to a new header file? */
658 #define WL18XX_FW_NAME "ti-connectivity/wl18xx-fw-4.bin"
659
660 static int wl18xx_identify_chip(struct wl1271 *wl)
661 {
662         int ret = 0;
663
664         switch (wl->chip.id) {
665         case CHIP_ID_185x_PG20:
666                 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (185x PG20)",
667                                  wl->chip.id);
668                 wl->sr_fw_name = WL18XX_FW_NAME;
669                 /* wl18xx uses the same firmware for PLT */
670                 wl->plt_fw_name = WL18XX_FW_NAME;
671                 wl->quirks |= WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN |
672                               WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN |
673                               WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN |
674                               WLCORE_QUIRK_TX_PAD_LAST_FRAME |
675                               WLCORE_QUIRK_REGDOMAIN_CONF |
676                               WLCORE_QUIRK_DUAL_PROBE_TMPL;
677
678                 wlcore_set_min_fw_ver(wl, WL18XX_CHIP_VER,
679                                       WL18XX_IFTYPE_VER,  WL18XX_MAJOR_VER,
680                                       WL18XX_SUBTYPE_VER, WL18XX_MINOR_VER,
681                                       /* there's no separate multi-role FW */
682                                       0, 0, 0, 0);
683                 break;
684         case CHIP_ID_185x_PG10:
685                 wl1271_warning("chip id 0x%x (185x PG10) is deprecated",
686                                wl->chip.id);
687                 ret = -ENODEV;
688                 goto out;
689
690         default:
691                 wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
692                 ret = -ENODEV;
693                 goto out;
694         }
695
696         wl->fw_mem_block_size = 272;
697         wl->fwlog_end = 0x40000000;
698
699         wl->scan_templ_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4;
700         wl->scan_templ_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5;
701         wl->sched_scan_templ_id_2_4 = CMD_TEMPL_PROBE_REQ_2_4_PERIODIC;
702         wl->sched_scan_templ_id_5 = CMD_TEMPL_PROBE_REQ_5_PERIODIC;
703         wl->max_channels_5 = WL18XX_MAX_CHANNELS_5GHZ;
704         wl->ba_rx_session_count_max = WL18XX_RX_BA_MAX_SESSIONS;
705 out:
706         return ret;
707 }
708
709 static int wl18xx_set_clk(struct wl1271 *wl)
710 {
711         u16 clk_freq;
712         int ret;
713
714         ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
715         if (ret < 0)
716                 goto out;
717
718         /* TODO: PG2: apparently we need to read the clk type */
719
720         ret = wl18xx_top_reg_read(wl, PRIMARY_CLK_DETECT, &clk_freq);
721         if (ret < 0)
722                 goto out;
723
724         wl1271_debug(DEBUG_BOOT, "clock freq %d (%d, %d, %d, %d, %s)", clk_freq,
725                      wl18xx_clk_table[clk_freq].n, wl18xx_clk_table[clk_freq].m,
726                      wl18xx_clk_table[clk_freq].p, wl18xx_clk_table[clk_freq].q,
727                      wl18xx_clk_table[clk_freq].swallow ? "swallow" : "spit");
728
729         /* coex PLL configuration */
730         ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_N,
731                                    wl18xx_clk_table_coex[clk_freq].n);
732         if (ret < 0)
733                 goto out;
734
735         ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_M,
736                                    wl18xx_clk_table_coex[clk_freq].m);
737         if (ret < 0)
738                 goto out;
739
740         /* bypass the swallowing logic */
741         ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN,
742                                    PLLSH_COEX_PLL_SWALLOW_EN_VAL1);
743         if (ret < 0)
744                 goto out;
745
746         ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_N,
747                                    wl18xx_clk_table[clk_freq].n);
748         if (ret < 0)
749                 goto out;
750
751         ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_M,
752                                    wl18xx_clk_table[clk_freq].m);
753         if (ret < 0)
754                 goto out;
755
756         if (wl18xx_clk_table[clk_freq].swallow) {
757                 /* first the 16 lower bits */
758                 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_1,
759                                            wl18xx_clk_table[clk_freq].q &
760                                            PLLSH_WCS_PLL_Q_FACTOR_CFG_1_MASK);
761                 if (ret < 0)
762                         goto out;
763
764                 /* then the 16 higher bits, masked out */
765                 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_2,
766                                         (wl18xx_clk_table[clk_freq].q >> 16) &
767                                         PLLSH_WCS_PLL_Q_FACTOR_CFG_2_MASK);
768                 if (ret < 0)
769                         goto out;
770
771                 /* first the 16 lower bits */
772                 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_1,
773                                            wl18xx_clk_table[clk_freq].p &
774                                            PLLSH_WCS_PLL_P_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_P_FACTOR_CFG_2,
780                                         (wl18xx_clk_table[clk_freq].p >> 16) &
781                                         PLLSH_WCS_PLL_P_FACTOR_CFG_2_MASK);
782         } else {
783                 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_SWALLOW_EN,
784                                            PLLSH_WCS_PLL_SWALLOW_EN_VAL2);
785         }
786
787         /* choose WCS PLL */
788         ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_SEL,
789                                    PLLSH_WL_PLL_SEL_WCS_PLL);
790         if (ret < 0)
791                 goto out;
792
793         /* enable both PLLs */
794         ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL1);
795         if (ret < 0)
796                 goto out;
797
798         udelay(1000);
799
800         /* disable coex PLL */
801         ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL2);
802         if (ret < 0)
803                 goto out;
804
805         /* reset the swallowing logic */
806         ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN,
807                                    PLLSH_COEX_PLL_SWALLOW_EN_VAL2);
808         if (ret < 0)
809                 goto out;
810
811 out:
812         return ret;
813 }
814
815 static int wl18xx_boot_soft_reset(struct wl1271 *wl)
816 {
817         int ret;
818
819         /* disable Rx/Tx */
820         ret = wlcore_write32(wl, WL18XX_ENABLE, 0x0);
821         if (ret < 0)
822                 goto out;
823
824         /* disable auto calibration on start*/
825         ret = wlcore_write32(wl, WL18XX_SPARE_A2, 0xffff);
826
827 out:
828         return ret;
829 }
830
831 static int wl18xx_pre_boot(struct wl1271 *wl)
832 {
833         int ret;
834
835         ret = wl18xx_set_clk(wl);
836         if (ret < 0)
837                 goto out;
838
839         /* Continue the ELP wake up sequence */
840         ret = wlcore_write32(wl, WL18XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
841         if (ret < 0)
842                 goto out;
843
844         udelay(500);
845
846         ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
847         if (ret < 0)
848                 goto out;
849
850         /* Disable interrupts */
851         ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
852         if (ret < 0)
853                 goto out;
854
855         ret = wl18xx_boot_soft_reset(wl);
856
857 out:
858         return ret;
859 }
860
861 static int wl18xx_pre_upload(struct wl1271 *wl)
862 {
863         u32 tmp;
864         int ret;
865
866         BUILD_BUG_ON(sizeof(struct wl18xx_mac_and_phy_params) >
867                 WL18XX_PHY_INIT_MEM_SIZE);
868
869         ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
870         if (ret < 0)
871                 goto out;
872
873         /* TODO: check if this is all needed */
874         ret = wlcore_write32(wl, WL18XX_EEPROMLESS_IND, WL18XX_EEPROMLESS_IND);
875         if (ret < 0)
876                 goto out;
877
878         ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &tmp);
879         if (ret < 0)
880                 goto out;
881
882         wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
883
884         ret = wlcore_read32(wl, WL18XX_SCR_PAD2, &tmp);
885         if (ret < 0)
886                 goto out;
887
888         /*
889          * Workaround for FDSP code RAM corruption (needed for PG2.1
890          * and newer; for older chips it's a NOP).  Change FDSP clock
891          * settings so that it's muxed to the ATGP clock instead of
892          * its own clock.
893          */
894
895         ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
896         if (ret < 0)
897                 goto out;
898
899         /* disable FDSP clock */
900         ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
901                              MEM_FDSP_CLK_120_DISABLE);
902         if (ret < 0)
903                 goto out;
904
905         /* set ATPG clock toward FDSP Code RAM rather than its own clock */
906         ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
907                              MEM_FDSP_CODERAM_FUNC_CLK_SEL);
908         if (ret < 0)
909                 goto out;
910
911         /* re-enable FDSP clock */
912         ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
913                              MEM_FDSP_CLK_120_ENABLE);
914
915 out:
916         return ret;
917 }
918
919 static int wl18xx_set_mac_and_phy(struct wl1271 *wl)
920 {
921         struct wl18xx_priv *priv = wl->priv;
922         struct wl18xx_mac_and_phy_params *params;
923         int ret;
924
925         params = kmemdup(&priv->conf.phy, sizeof(*params), GFP_KERNEL);
926         if (!params) {
927                 ret = -ENOMEM;
928                 goto out;
929         }
930
931         ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
932         if (ret < 0)
933                 goto out;
934
935         ret = wlcore_write(wl, WL18XX_PHY_INIT_MEM_ADDR, params,
936                            sizeof(*params), false);
937
938 out:
939         kfree(params);
940         return ret;
941 }
942
943 static int wl18xx_enable_interrupts(struct wl1271 *wl)
944 {
945         u32 event_mask, intr_mask;
946         int ret;
947
948         event_mask = WL18XX_ACX_EVENTS_VECTOR;
949         intr_mask = WL18XX_INTR_MASK;
950
951         ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, event_mask);
952         if (ret < 0)
953                 goto out;
954
955         wlcore_enable_interrupts(wl);
956
957         ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK,
958                                WL1271_ACX_INTR_ALL & ~intr_mask);
959         if (ret < 0)
960                 goto disable_interrupts;
961
962         return ret;
963
964 disable_interrupts:
965         wlcore_disable_interrupts(wl);
966
967 out:
968         return ret;
969 }
970
971 static int wl18xx_boot(struct wl1271 *wl)
972 {
973         int ret;
974
975         ret = wl18xx_pre_boot(wl);
976         if (ret < 0)
977                 goto out;
978
979         ret = wl18xx_pre_upload(wl);
980         if (ret < 0)
981                 goto out;
982
983         ret = wlcore_boot_upload_firmware(wl);
984         if (ret < 0)
985                 goto out;
986
987         ret = wl18xx_set_mac_and_phy(wl);
988         if (ret < 0)
989                 goto out;
990
991         wl->event_mask = BSS_LOSS_EVENT_ID |
992                 SCAN_COMPLETE_EVENT_ID |
993                 RADAR_DETECTED_EVENT_ID |
994                 RSSI_SNR_TRIGGER_0_EVENT_ID |
995                 PERIODIC_SCAN_COMPLETE_EVENT_ID |
996                 PERIODIC_SCAN_REPORT_EVENT_ID |
997                 DUMMY_PACKET_EVENT_ID |
998                 PEER_REMOVE_COMPLETE_EVENT_ID |
999                 BA_SESSION_RX_CONSTRAINT_EVENT_ID |
1000                 REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID |
1001                 INACTIVE_STA_EVENT_ID |
1002                 CHANNEL_SWITCH_COMPLETE_EVENT_ID |
1003                 DFS_CHANNELS_CONFIG_COMPLETE_EVENT |
1004                 SMART_CONFIG_SYNC_EVENT_ID |
1005                 SMART_CONFIG_DECODE_EVENT_ID;
1006 ;
1007
1008         wl->ap_event_mask = MAX_TX_FAILURE_EVENT_ID;
1009
1010         ret = wlcore_boot_run_firmware(wl);
1011         if (ret < 0)
1012                 goto out;
1013
1014         ret = wl18xx_enable_interrupts(wl);
1015
1016 out:
1017         return ret;
1018 }
1019
1020 static int wl18xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr,
1021                                void *buf, size_t len)
1022 {
1023         struct wl18xx_priv *priv = wl->priv;
1024
1025         memcpy(priv->cmd_buf, buf, len);
1026         memset(priv->cmd_buf + len, 0, WL18XX_CMD_MAX_SIZE - len);
1027
1028         return wlcore_write(wl, cmd_box_addr, priv->cmd_buf,
1029                             WL18XX_CMD_MAX_SIZE, false);
1030 }
1031
1032 static int wl18xx_ack_event(struct wl1271 *wl)
1033 {
1034         return wlcore_write_reg(wl, REG_INTERRUPT_TRIG,
1035                                 WL18XX_INTR_TRIG_EVENT_ACK);
1036 }
1037
1038 static u32 wl18xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks)
1039 {
1040         u32 blk_size = WL18XX_TX_HW_BLOCK_SIZE;
1041         return (len + blk_size - 1) / blk_size + spare_blks;
1042 }
1043
1044 static void
1045 wl18xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1046                           u32 blks, u32 spare_blks)
1047 {
1048         desc->wl18xx_mem.total_mem_blocks = blks;
1049 }
1050
1051 static void
1052 wl18xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1053                             struct sk_buff *skb)
1054 {
1055         desc->length = cpu_to_le16(skb->len);
1056
1057         /* if only the last frame is to be padded, we unset this bit on Tx */
1058         if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME)
1059                 desc->wl18xx_mem.ctrl = WL18XX_TX_CTRL_NOT_PADDED;
1060         else
1061                 desc->wl18xx_mem.ctrl = 0;
1062
1063         wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d "
1064                      "len: %d life: %d mem: %d", desc->hlid,
1065                      le16_to_cpu(desc->length),
1066                      le16_to_cpu(desc->life_time),
1067                      desc->wl18xx_mem.total_mem_blocks);
1068 }
1069
1070 static enum wl_rx_buf_align
1071 wl18xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc)
1072 {
1073         if (rx_desc & RX_BUF_PADDED_PAYLOAD)
1074                 return WLCORE_RX_BUF_PADDED;
1075
1076         return WLCORE_RX_BUF_ALIGNED;
1077 }
1078
1079 static u32 wl18xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data,
1080                                     u32 data_len)
1081 {
1082         struct wl1271_rx_descriptor *desc = rx_data;
1083
1084         /* invalid packet */
1085         if (data_len < sizeof(*desc))
1086                 return 0;
1087
1088         return data_len - sizeof(*desc);
1089 }
1090
1091 static void wl18xx_tx_immediate_completion(struct wl1271 *wl)
1092 {
1093         wl18xx_tx_immediate_complete(wl);
1094 }
1095
1096 static int wl18xx_set_host_cfg_bitmap(struct wl1271 *wl, u32 extra_mem_blk)
1097 {
1098         int ret;
1099         u32 sdio_align_size = 0;
1100         u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE |
1101                               HOST_IF_CFG_ADD_RX_ALIGNMENT;
1102
1103         /* Enable Tx SDIO padding */
1104         if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) {
1105                 host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
1106                 sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
1107         }
1108
1109         /* Enable Rx SDIO padding */
1110         if (wl->quirks & WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN) {
1111                 host_cfg_bitmap |= HOST_IF_CFG_RX_PAD_TO_SDIO_BLK;
1112                 sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
1113         }
1114
1115         ret = wl18xx_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap,
1116                                             sdio_align_size, extra_mem_blk,
1117                                             WL18XX_HOST_IF_LEN_SIZE_FIELD);
1118         if (ret < 0)
1119                 return ret;
1120
1121         return 0;
1122 }
1123
1124 static int wl18xx_hw_init(struct wl1271 *wl)
1125 {
1126         int ret;
1127         struct wl18xx_priv *priv = wl->priv;
1128
1129         /* (re)init private structures. Relevant on recovery as well. */
1130         priv->last_fw_rls_idx = 0;
1131         priv->extra_spare_key_count = 0;
1132
1133         /* set the default amount of spare blocks in the bitmap */
1134         ret = wl18xx_set_host_cfg_bitmap(wl, WL18XX_TX_HW_BLOCK_SPARE);
1135         if (ret < 0)
1136                 return ret;
1137
1138         if (checksum_param) {
1139                 ret = wl18xx_acx_set_checksum_state(wl);
1140                 if (ret != 0)
1141                         return ret;
1142         }
1143
1144         return ret;
1145 }
1146
1147 static void wl18xx_convert_fw_status(struct wl1271 *wl, void *raw_fw_status,
1148                                      struct wl_fw_status *fw_status)
1149 {
1150         struct wl18xx_fw_status *int_fw_status = raw_fw_status;
1151
1152         fw_status->intr = le32_to_cpu(int_fw_status->intr);
1153         fw_status->fw_rx_counter = int_fw_status->fw_rx_counter;
1154         fw_status->drv_rx_counter = int_fw_status->drv_rx_counter;
1155         fw_status->tx_results_counter = int_fw_status->tx_results_counter;
1156         fw_status->rx_pkt_descs = int_fw_status->rx_pkt_descs;
1157
1158         fw_status->fw_localtime = le32_to_cpu(int_fw_status->fw_localtime);
1159         fw_status->link_ps_bitmap = le32_to_cpu(int_fw_status->link_ps_bitmap);
1160         fw_status->link_fast_bitmap =
1161                         le32_to_cpu(int_fw_status->link_fast_bitmap);
1162         fw_status->total_released_blks =
1163                         le32_to_cpu(int_fw_status->total_released_blks);
1164         fw_status->tx_total = le32_to_cpu(int_fw_status->tx_total);
1165
1166         fw_status->counters.tx_released_pkts =
1167                         int_fw_status->counters.tx_released_pkts;
1168         fw_status->counters.tx_lnk_free_pkts =
1169                         int_fw_status->counters.tx_lnk_free_pkts;
1170         fw_status->counters.tx_voice_released_blks =
1171                         int_fw_status->counters.tx_voice_released_blks;
1172         fw_status->counters.tx_last_rate =
1173                         int_fw_status->counters.tx_last_rate;
1174
1175         fw_status->log_start_addr = le32_to_cpu(int_fw_status->log_start_addr);
1176
1177         fw_status->priv = &int_fw_status->priv;
1178 }
1179
1180 static void wl18xx_set_tx_desc_csum(struct wl1271 *wl,
1181                                     struct wl1271_tx_hw_descr *desc,
1182                                     struct sk_buff *skb)
1183 {
1184         u32 ip_hdr_offset;
1185         struct iphdr *ip_hdr;
1186
1187         if (!checksum_param) {
1188                 desc->wl18xx_checksum_data = 0;
1189                 return;
1190         }
1191
1192         if (skb->ip_summed != CHECKSUM_PARTIAL) {
1193                 desc->wl18xx_checksum_data = 0;
1194                 return;
1195         }
1196
1197         ip_hdr_offset = skb_network_header(skb) - skb_mac_header(skb);
1198         if (WARN_ON(ip_hdr_offset >= (1<<7))) {
1199                 desc->wl18xx_checksum_data = 0;
1200                 return;
1201         }
1202
1203         desc->wl18xx_checksum_data = ip_hdr_offset << 1;
1204
1205         /* FW is interested only in the LSB of the protocol  TCP=0 UDP=1 */
1206         ip_hdr = (void *)skb_network_header(skb);
1207         desc->wl18xx_checksum_data |= (ip_hdr->protocol & 0x01);
1208 }
1209
1210 static void wl18xx_set_rx_csum(struct wl1271 *wl,
1211                                struct wl1271_rx_descriptor *desc,
1212                                struct sk_buff *skb)
1213 {
1214         if (desc->status & WL18XX_RX_CHECKSUM_MASK)
1215                 skb->ip_summed = CHECKSUM_UNNECESSARY;
1216 }
1217
1218 static bool wl18xx_is_mimo_supported(struct wl1271 *wl)
1219 {
1220         struct wl18xx_priv *priv = wl->priv;
1221
1222         /* only support MIMO with multiple antennas, and when SISO
1223          * is not forced through config
1224          */
1225         return (priv->conf.phy.number_of_assembled_ant2_4 >= 2) &&
1226                (priv->conf.ht.mode != HT_MODE_WIDE) &&
1227                (priv->conf.ht.mode != HT_MODE_SISO20);
1228 }
1229
1230 /*
1231  * TODO: instead of having these two functions to get the rate mask,
1232  * we should modify the wlvif->rate_set instead
1233  */
1234 static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl,
1235                                        struct wl12xx_vif *wlvif)
1236 {
1237         u32 hw_rate_set = wlvif->rate_set;
1238
1239         if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
1240             wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
1241                 wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
1242                 hw_rate_set |= CONF_TX_RATE_USE_WIDE_CHAN;
1243
1244                 /* we don't support MIMO in wide-channel mode */
1245                 hw_rate_set &= ~CONF_TX_MIMO_RATES;
1246         } else if (wl18xx_is_mimo_supported(wl)) {
1247                 wl1271_debug(DEBUG_ACX, "using MIMO channel rate mask");
1248                 hw_rate_set |= CONF_TX_MIMO_RATES;
1249         }
1250
1251         return hw_rate_set;
1252 }
1253
1254 static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl,
1255                                              struct wl12xx_vif *wlvif)
1256 {
1257         if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
1258             wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
1259                 wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
1260
1261                 /* sanity check - we don't support this */
1262                 if (WARN_ON(wlvif->band != IEEE80211_BAND_5GHZ))
1263                         return 0;
1264
1265                 return CONF_TX_RATE_USE_WIDE_CHAN;
1266         } else if (wl18xx_is_mimo_supported(wl) &&
1267                    wlvif->band == IEEE80211_BAND_2GHZ) {
1268                 wl1271_debug(DEBUG_ACX, "using MIMO rate mask");
1269                 /*
1270                  * we don't care about HT channel here - if a peer doesn't
1271                  * support MIMO, we won't enable it in its rates
1272                  */
1273                 return CONF_TX_MIMO_RATES;
1274         } else {
1275                 return 0;
1276         }
1277 }
1278
1279 static const char *wl18xx_rdl_name(enum wl18xx_rdl_num rdl_num)
1280 {
1281         switch (rdl_num) {
1282         case RDL_1_HP:
1283                 return "183xH";
1284         case RDL_2_SP:
1285                 return "183x or 180x";
1286         case RDL_3_HP:
1287                 return "187xH";
1288         case RDL_4_SP:
1289                 return "187x";
1290         case RDL_5_SP:
1291                 return "RDL11 - Not Supported";
1292         case RDL_6_SP:
1293                 return "180xD";
1294         case RDL_7_SP:
1295                 return "RDL13 - Not Supported (1893Q)";
1296         case RDL_8_SP:
1297                 return "18xxQ";
1298         case RDL_NONE:
1299                 return "UNTRIMMED";
1300         default:
1301                 return "UNKNOWN";
1302         }
1303 }
1304
1305 static int wl18xx_get_pg_ver(struct wl1271 *wl, s8 *ver)
1306 {
1307         u32 fuse;
1308         s8 rom = 0, metal = 0, pg_ver = 0, rdl_ver = 0, package_type = 0;
1309         int ret;
1310
1311         ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
1312         if (ret < 0)
1313                 goto out;
1314
1315         ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
1316         if (ret < 0)
1317                 goto out;
1318
1319         package_type = (fuse >> WL18XX_PACKAGE_TYPE_OFFSET) & 1;
1320
1321         ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_1_3, &fuse);
1322         if (ret < 0)
1323                 goto out;
1324
1325         pg_ver = (fuse & WL18XX_PG_VER_MASK) >> WL18XX_PG_VER_OFFSET;
1326         rom = (fuse & WL18XX_ROM_VER_MASK) >> WL18XX_ROM_VER_OFFSET;
1327
1328         if ((rom <= 0xE) && (package_type == WL18XX_PACKAGE_TYPE_WSP))
1329                 metal = (fuse & WL18XX_METAL_VER_MASK) >>
1330                         WL18XX_METAL_VER_OFFSET;
1331         else
1332                 metal = (fuse & WL18XX_NEW_METAL_VER_MASK) >>
1333                         WL18XX_NEW_METAL_VER_OFFSET;
1334
1335         ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
1336         if (ret < 0)
1337                 goto out;
1338
1339         rdl_ver = (fuse & WL18XX_RDL_VER_MASK) >> WL18XX_RDL_VER_OFFSET;
1340
1341         wl1271_info("wl18xx HW: %s, PG %d.%d (ROM 0x%x)",
1342                     wl18xx_rdl_name(rdl_ver), pg_ver, metal, rom);
1343
1344         if (ver)
1345                 *ver = pg_ver;
1346
1347         ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
1348
1349 out:
1350         return ret;
1351 }
1352
1353 #define WL18XX_CONF_FILE_NAME "ti-connectivity/wl18xx-conf.bin"
1354 static int wl18xx_conf_init(struct wl1271 *wl, struct device *dev)
1355 {
1356         struct wl18xx_priv *priv = wl->priv;
1357         struct wlcore_conf_file *conf_file;
1358         const struct firmware *fw;
1359         int ret;
1360
1361         ret = request_firmware(&fw, WL18XX_CONF_FILE_NAME, dev);
1362         if (ret < 0) {
1363                 wl1271_error("could not get configuration binary %s: %d",
1364                              WL18XX_CONF_FILE_NAME, ret);
1365                 goto out_fallback;
1366         }
1367
1368         if (fw->size != WL18XX_CONF_SIZE) {
1369                 wl1271_error("configuration binary file size is wrong, expected %zu got %zu",
1370                              WL18XX_CONF_SIZE, fw->size);
1371                 ret = -EINVAL;
1372                 goto out;
1373         }
1374
1375         conf_file = (struct wlcore_conf_file *) fw->data;
1376
1377         if (conf_file->header.magic != cpu_to_le32(WL18XX_CONF_MAGIC)) {
1378                 wl1271_error("configuration binary file magic number mismatch, "
1379                              "expected 0x%0x got 0x%0x", WL18XX_CONF_MAGIC,
1380                              conf_file->header.magic);
1381                 ret = -EINVAL;
1382                 goto out;
1383         }
1384
1385         if (conf_file->header.version != cpu_to_le32(WL18XX_CONF_VERSION)) {
1386                 wl1271_error("configuration binary file version not supported, "
1387                              "expected 0x%08x got 0x%08x",
1388                              WL18XX_CONF_VERSION, conf_file->header.version);
1389                 ret = -EINVAL;
1390                 goto out;
1391         }
1392
1393         memcpy(&wl->conf, &conf_file->core, sizeof(wl18xx_conf));
1394         memcpy(&priv->conf, &conf_file->priv, sizeof(priv->conf));
1395
1396         goto out;
1397
1398 out_fallback:
1399         wl1271_warning("falling back to default config");
1400
1401         /* apply driver default configuration */
1402         memcpy(&wl->conf, &wl18xx_conf, sizeof(wl18xx_conf));
1403         /* apply default private configuration */
1404         memcpy(&priv->conf, &wl18xx_default_priv_conf, sizeof(priv->conf));
1405
1406         /* For now we just fallback */
1407         return 0;
1408
1409 out:
1410         release_firmware(fw);
1411         return ret;
1412 }
1413
1414 static int wl18xx_plt_init(struct wl1271 *wl)
1415 {
1416         int ret;
1417
1418         /* calibrator based auto/fem detect not supported for 18xx */
1419         if (wl->plt_mode == PLT_FEM_DETECT) {
1420                 wl1271_error("wl18xx_plt_init: PLT FEM_DETECT not supported");
1421                 return -EINVAL;
1422         }
1423
1424         ret = wlcore_write32(wl, WL18XX_SCR_PAD8, WL18XX_SCR_PAD8_PLT);
1425         if (ret < 0)
1426                 return ret;
1427
1428         return wl->ops->boot(wl);
1429 }
1430
1431 static int wl18xx_get_mac(struct wl1271 *wl)
1432 {
1433         u32 mac1, mac2;
1434         int ret;
1435
1436         ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
1437         if (ret < 0)
1438                 goto out;
1439
1440         ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_1, &mac1);
1441         if (ret < 0)
1442                 goto out;
1443
1444         ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_2, &mac2);
1445         if (ret < 0)
1446                 goto out;
1447
1448         /* these are the two parts of the BD_ADDR */
1449         wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
1450                 ((mac1 & 0xff000000) >> 24);
1451         wl->fuse_nic_addr = (mac1 & 0xffffff);
1452
1453         if (!wl->fuse_oui_addr && !wl->fuse_nic_addr) {
1454                 u8 mac[ETH_ALEN];
1455
1456                 eth_random_addr(mac);
1457
1458                 wl->fuse_oui_addr = (mac[0] << 16) + (mac[1] << 8) + mac[2];
1459                 wl->fuse_nic_addr = (mac[3] << 16) + (mac[4] << 8) + mac[5];
1460                 wl1271_warning("MAC address from fuse not available, using random locally administered addresses.");
1461         }
1462
1463         ret = wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
1464
1465 out:
1466         return ret;
1467 }
1468
1469 static int wl18xx_handle_static_data(struct wl1271 *wl,
1470                                      struct wl1271_static_data *static_data)
1471 {
1472         struct wl18xx_static_data_priv *static_data_priv =
1473                 (struct wl18xx_static_data_priv *) static_data->priv;
1474
1475         strncpy(wl->chip.phy_fw_ver_str, static_data_priv->phy_version,
1476                 sizeof(wl->chip.phy_fw_ver_str));
1477
1478         /* make sure the string is NULL-terminated */
1479         wl->chip.phy_fw_ver_str[sizeof(wl->chip.phy_fw_ver_str) - 1] = '\0';
1480
1481         wl1271_info("PHY firmware version: %s", static_data_priv->phy_version);
1482
1483         return 0;
1484 }
1485
1486 static int wl18xx_get_spare_blocks(struct wl1271 *wl, bool is_gem)
1487 {
1488         struct wl18xx_priv *priv = wl->priv;
1489
1490         /* If we have keys requiring extra spare, indulge them */
1491         if (priv->extra_spare_key_count)
1492                 return WL18XX_TX_HW_EXTRA_BLOCK_SPARE;
1493
1494         return WL18XX_TX_HW_BLOCK_SPARE;
1495 }
1496
1497 static int wl18xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
1498                           struct ieee80211_vif *vif,
1499                           struct ieee80211_sta *sta,
1500                           struct ieee80211_key_conf *key_conf)
1501 {
1502         struct wl18xx_priv *priv = wl->priv;
1503         bool change_spare = false, special_enc;
1504         int ret;
1505
1506         wl1271_debug(DEBUG_CRYPT, "extra spare keys before: %d",
1507                      priv->extra_spare_key_count);
1508
1509         special_enc = key_conf->cipher == WL1271_CIPHER_SUITE_GEM ||
1510                       key_conf->cipher == WLAN_CIPHER_SUITE_TKIP;
1511
1512         ret = wlcore_set_key(wl, cmd, vif, sta, key_conf);
1513         if (ret < 0)
1514                 goto out;
1515
1516         /*
1517          * when adding the first or removing the last GEM/TKIP key,
1518          * we have to adjust the number of spare blocks.
1519          */
1520         if (special_enc) {
1521                 if (cmd == SET_KEY) {
1522                         /* first key */
1523                         change_spare = (priv->extra_spare_key_count == 0);
1524                         priv->extra_spare_key_count++;
1525                 } else if (cmd == DISABLE_KEY) {
1526                         /* last key */
1527                         change_spare = (priv->extra_spare_key_count == 1);
1528                         priv->extra_spare_key_count--;
1529                 }
1530         }
1531
1532         wl1271_debug(DEBUG_CRYPT, "extra spare keys after: %d",
1533                      priv->extra_spare_key_count);
1534
1535         if (!change_spare)
1536                 goto out;
1537
1538         /* key is now set, change the spare blocks */
1539         if (priv->extra_spare_key_count)
1540                 ret = wl18xx_set_host_cfg_bitmap(wl,
1541                                         WL18XX_TX_HW_EXTRA_BLOCK_SPARE);
1542         else
1543                 ret = wl18xx_set_host_cfg_bitmap(wl,
1544                                         WL18XX_TX_HW_BLOCK_SPARE);
1545
1546 out:
1547         return ret;
1548 }
1549
1550 static u32 wl18xx_pre_pkt_send(struct wl1271 *wl,
1551                                u32 buf_offset, u32 last_len)
1552 {
1553         if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME) {
1554                 struct wl1271_tx_hw_descr *last_desc;
1555
1556                 /* get the last TX HW descriptor written to the aggr buf */
1557                 last_desc = (struct wl1271_tx_hw_descr *)(wl->aggr_buf +
1558                                                         buf_offset - last_len);
1559
1560                 /* the last frame is padded up to an SDIO block */
1561                 last_desc->wl18xx_mem.ctrl &= ~WL18XX_TX_CTRL_NOT_PADDED;
1562                 return ALIGN(buf_offset, WL12XX_BUS_BLOCK_SIZE);
1563         }
1564
1565         /* no modifications */
1566         return buf_offset;
1567 }
1568
1569 static void wl18xx_sta_rc_update(struct wl1271 *wl,
1570                                  struct wl12xx_vif *wlvif)
1571 {
1572         bool wide = wlvif->rc_update_bw >= IEEE80211_STA_RX_BW_40;
1573
1574         wl1271_debug(DEBUG_MAC80211, "mac80211 sta_rc_update wide %d", wide);
1575
1576         /* sanity */
1577         if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS))
1578                 return;
1579
1580         /* ignore the change before association */
1581         if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
1582                 return;
1583
1584         /*
1585          * If we started out as wide, we can change the operation mode. If we
1586          * thought this was a 20mhz AP, we have to reconnect
1587          */
1588         if (wlvif->sta.role_chan_type == NL80211_CHAN_HT40MINUS ||
1589             wlvif->sta.role_chan_type == NL80211_CHAN_HT40PLUS)
1590                 wl18xx_acx_peer_ht_operation_mode(wl, wlvif->sta.hlid, wide);
1591         else
1592                 ieee80211_connection_loss(wl12xx_wlvif_to_vif(wlvif));
1593 }
1594
1595 static int wl18xx_set_peer_cap(struct wl1271 *wl,
1596                                struct ieee80211_sta_ht_cap *ht_cap,
1597                                bool allow_ht_operation,
1598                                u32 rate_set, u8 hlid)
1599 {
1600         return wl18xx_acx_set_peer_cap(wl, ht_cap, allow_ht_operation,
1601                                        rate_set, hlid);
1602 }
1603
1604 static bool wl18xx_lnk_high_prio(struct wl1271 *wl, u8 hlid,
1605                                  struct wl1271_link *lnk)
1606 {
1607         u8 thold;
1608         struct wl18xx_fw_status_priv *status_priv =
1609                 (struct wl18xx_fw_status_priv *)wl->fw_status->priv;
1610         unsigned long suspend_bitmap;
1611
1612         /* if we don't have the link map yet, assume they all low prio */
1613         if (!status_priv)
1614                 return false;
1615
1616         /* suspended links are never high priority */
1617         suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
1618         if (test_bit(hlid, &suspend_bitmap))
1619                 return false;
1620
1621         /* the priority thresholds are taken from FW */
1622         if (test_bit(hlid, &wl->fw_fast_lnk_map) &&
1623             !test_bit(hlid, &wl->ap_fw_ps_map))
1624                 thold = status_priv->tx_fast_link_prio_threshold;
1625         else
1626                 thold = status_priv->tx_slow_link_prio_threshold;
1627
1628         return lnk->allocated_pkts < thold;
1629 }
1630
1631 static bool wl18xx_lnk_low_prio(struct wl1271 *wl, u8 hlid,
1632                                 struct wl1271_link *lnk)
1633 {
1634         u8 thold;
1635         struct wl18xx_fw_status_priv *status_priv =
1636                 (struct wl18xx_fw_status_priv *)wl->fw_status->priv;
1637         unsigned long suspend_bitmap;
1638
1639         /* if we don't have the link map yet, assume they all low prio */
1640         if (!status_priv)
1641                 return true;
1642
1643         suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
1644         if (test_bit(hlid, &suspend_bitmap))
1645                 thold = status_priv->tx_suspend_threshold;
1646         else if (test_bit(hlid, &wl->fw_fast_lnk_map) &&
1647                  !test_bit(hlid, &wl->ap_fw_ps_map))
1648                 thold = status_priv->tx_fast_stop_threshold;
1649         else
1650                 thold = status_priv->tx_slow_stop_threshold;
1651
1652         return lnk->allocated_pkts < thold;
1653 }
1654
1655 static u32 wl18xx_convert_hwaddr(struct wl1271 *wl, u32 hwaddr)
1656 {
1657         return hwaddr & ~0x80000000;
1658 }
1659
1660 static int wl18xx_setup(struct wl1271 *wl);
1661
1662 static struct wlcore_ops wl18xx_ops = {
1663         .setup          = wl18xx_setup,
1664         .identify_chip  = wl18xx_identify_chip,
1665         .boot           = wl18xx_boot,
1666         .plt_init       = wl18xx_plt_init,
1667         .trigger_cmd    = wl18xx_trigger_cmd,
1668         .ack_event      = wl18xx_ack_event,
1669         .wait_for_event = wl18xx_wait_for_event,
1670         .process_mailbox_events = wl18xx_process_mailbox_events,
1671         .calc_tx_blocks = wl18xx_calc_tx_blocks,
1672         .set_tx_desc_blocks = wl18xx_set_tx_desc_blocks,
1673         .set_tx_desc_data_len = wl18xx_set_tx_desc_data_len,
1674         .get_rx_buf_align = wl18xx_get_rx_buf_align,
1675         .get_rx_packet_len = wl18xx_get_rx_packet_len,
1676         .tx_immediate_compl = wl18xx_tx_immediate_completion,
1677         .tx_delayed_compl = NULL,
1678         .hw_init        = wl18xx_hw_init,
1679         .convert_fw_status = wl18xx_convert_fw_status,
1680         .set_tx_desc_csum = wl18xx_set_tx_desc_csum,
1681         .get_pg_ver     = wl18xx_get_pg_ver,
1682         .set_rx_csum = wl18xx_set_rx_csum,
1683         .sta_get_ap_rate_mask = wl18xx_sta_get_ap_rate_mask,
1684         .ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask,
1685         .get_mac        = wl18xx_get_mac,
1686         .debugfs_init   = wl18xx_debugfs_add_files,
1687         .scan_start     = wl18xx_scan_start,
1688         .scan_stop      = wl18xx_scan_stop,
1689         .sched_scan_start       = wl18xx_sched_scan_start,
1690         .sched_scan_stop        = wl18xx_scan_sched_scan_stop,
1691         .handle_static_data     = wl18xx_handle_static_data,
1692         .get_spare_blocks = wl18xx_get_spare_blocks,
1693         .set_key        = wl18xx_set_key,
1694         .channel_switch = wl18xx_cmd_channel_switch,
1695         .pre_pkt_send   = wl18xx_pre_pkt_send,
1696         .sta_rc_update  = wl18xx_sta_rc_update,
1697         .set_peer_cap   = wl18xx_set_peer_cap,
1698         .convert_hwaddr = wl18xx_convert_hwaddr,
1699         .lnk_high_prio  = wl18xx_lnk_high_prio,
1700         .lnk_low_prio   = wl18xx_lnk_low_prio,
1701         .smart_config_start = wl18xx_cmd_smart_config_start,
1702         .smart_config_stop  = wl18xx_cmd_smart_config_stop,
1703         .smart_config_set_group_key = wl18xx_cmd_smart_config_set_group_key,
1704         .interrupt_notify = wl18xx_acx_interrupt_notify_config,
1705         .rx_ba_filter   = wl18xx_acx_rx_ba_filter,
1706         .ap_sleep       = wl18xx_acx_ap_sleep,
1707         .set_cac        = wl18xx_cmd_set_cac,
1708         .dfs_master_restart     = wl18xx_cmd_dfs_master_restart,
1709 };
1710
1711 /* HT cap appropriate for wide channels in 2Ghz */
1712 static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_2ghz = {
1713         .cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
1714                IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_DSSSCCK40 |
1715                IEEE80211_HT_CAP_GRN_FLD,
1716         .ht_supported = true,
1717         .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1718         .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1719         .mcs = {
1720                 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1721                 .rx_highest = cpu_to_le16(150),
1722                 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1723                 },
1724 };
1725
1726 /* HT cap appropriate for wide channels in 5Ghz */
1727 static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_5ghz = {
1728         .cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
1729                IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
1730                IEEE80211_HT_CAP_GRN_FLD,
1731         .ht_supported = true,
1732         .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1733         .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1734         .mcs = {
1735                 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1736                 .rx_highest = cpu_to_le16(150),
1737                 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1738                 },
1739 };
1740
1741 /* HT cap appropriate for SISO 20 */
1742 static struct ieee80211_sta_ht_cap wl18xx_siso20_ht_cap = {
1743         .cap = IEEE80211_HT_CAP_SGI_20 |
1744                IEEE80211_HT_CAP_GRN_FLD,
1745         .ht_supported = true,
1746         .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1747         .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1748         .mcs = {
1749                 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1750                 .rx_highest = cpu_to_le16(72),
1751                 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1752                 },
1753 };
1754
1755 /* HT cap appropriate for MIMO rates in 20mhz channel */
1756 static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap_2ghz = {
1757         .cap = IEEE80211_HT_CAP_SGI_20 |
1758                IEEE80211_HT_CAP_GRN_FLD,
1759         .ht_supported = true,
1760         .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1761         .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1762         .mcs = {
1763                 .rx_mask = { 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, },
1764                 .rx_highest = cpu_to_le16(144),
1765                 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1766                 },
1767 };
1768
1769 static const struct ieee80211_iface_limit wl18xx_iface_limits[] = {
1770         {
1771                 .max = 3,
1772                 .types = BIT(NL80211_IFTYPE_STATION),
1773         },
1774         {
1775                 .max = 1,
1776                 .types = BIT(NL80211_IFTYPE_AP) |
1777                          BIT(NL80211_IFTYPE_P2P_GO) |
1778                          BIT(NL80211_IFTYPE_P2P_CLIENT),
1779         },
1780 };
1781
1782 static const struct ieee80211_iface_limit wl18xx_iface_ap_limits[] = {
1783         {
1784                 .max = 2,
1785                 .types = BIT(NL80211_IFTYPE_AP),
1786         },
1787 };
1788
1789 static const struct ieee80211_iface_combination
1790 wl18xx_iface_combinations[] = {
1791         {
1792                 .max_interfaces = 3,
1793                 .limits = wl18xx_iface_limits,
1794                 .n_limits = ARRAY_SIZE(wl18xx_iface_limits),
1795                 .num_different_channels = 2,
1796         },
1797         {
1798                 .max_interfaces = 2,
1799                 .limits = wl18xx_iface_ap_limits,
1800                 .n_limits = ARRAY_SIZE(wl18xx_iface_ap_limits),
1801                 .num_different_channels = 1,
1802                 .radar_detect_widths =  BIT(NL80211_CHAN_NO_HT) |
1803                                         BIT(NL80211_CHAN_HT20) |
1804                                         BIT(NL80211_CHAN_HT40MINUS) |
1805                                         BIT(NL80211_CHAN_HT40PLUS),
1806         }
1807 };
1808
1809 static int wl18xx_setup(struct wl1271 *wl)
1810 {
1811         struct wl18xx_priv *priv = wl->priv;
1812         int ret;
1813
1814         BUILD_BUG_ON(WL18XX_MAX_LINKS > WLCORE_MAX_LINKS);
1815         BUILD_BUG_ON(WL18XX_MAX_AP_STATIONS > WL18XX_MAX_LINKS);
1816
1817         wl->rtable = wl18xx_rtable;
1818         wl->num_tx_desc = WL18XX_NUM_TX_DESCRIPTORS;
1819         wl->num_rx_desc = WL18XX_NUM_RX_DESCRIPTORS;
1820         wl->num_links = WL18XX_MAX_LINKS;
1821         wl->max_ap_stations = WL18XX_MAX_AP_STATIONS;
1822         wl->iface_combinations = wl18xx_iface_combinations;
1823         wl->n_iface_combinations = ARRAY_SIZE(wl18xx_iface_combinations);
1824         wl->num_mac_addr = WL18XX_NUM_MAC_ADDRESSES;
1825         wl->band_rate_to_idx = wl18xx_band_rate_to_idx;
1826         wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX;
1827         wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0;
1828         wl->fw_status_len = sizeof(struct wl18xx_fw_status);
1829         wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv);
1830         wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics);
1831         wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv);
1832
1833         if (num_rx_desc_param != -1)
1834                 wl->num_rx_desc = num_rx_desc_param;
1835
1836         ret = wl18xx_conf_init(wl, wl->dev);
1837         if (ret < 0)
1838                 return ret;
1839
1840         /* If the module param is set, update it in conf */
1841         if (board_type_param) {
1842                 if (!strcmp(board_type_param, "fpga")) {
1843                         priv->conf.phy.board_type = BOARD_TYPE_FPGA_18XX;
1844                 } else if (!strcmp(board_type_param, "hdk")) {
1845                         priv->conf.phy.board_type = BOARD_TYPE_HDK_18XX;
1846                 } else if (!strcmp(board_type_param, "dvp")) {
1847                         priv->conf.phy.board_type = BOARD_TYPE_DVP_18XX;
1848                 } else if (!strcmp(board_type_param, "evb")) {
1849                         priv->conf.phy.board_type = BOARD_TYPE_EVB_18XX;
1850                 } else if (!strcmp(board_type_param, "com8")) {
1851                         priv->conf.phy.board_type = BOARD_TYPE_COM8_18XX;
1852                 } else {
1853                         wl1271_error("invalid board type '%s'",
1854                                 board_type_param);
1855                         return -EINVAL;
1856                 }
1857         }
1858
1859         if (priv->conf.phy.board_type >= NUM_BOARD_TYPES) {
1860                 wl1271_error("invalid board type '%d'",
1861                         priv->conf.phy.board_type);
1862                 return -EINVAL;
1863         }
1864
1865         if (low_band_component_param != -1)
1866                 priv->conf.phy.low_band_component = low_band_component_param;
1867         if (low_band_component_type_param != -1)
1868                 priv->conf.phy.low_band_component_type =
1869                         low_band_component_type_param;
1870         if (high_band_component_param != -1)
1871                 priv->conf.phy.high_band_component = high_band_component_param;
1872         if (high_band_component_type_param != -1)
1873                 priv->conf.phy.high_band_component_type =
1874                         high_band_component_type_param;
1875         if (pwr_limit_reference_11_abg_param != -1)
1876                 priv->conf.phy.pwr_limit_reference_11_abg =
1877                         pwr_limit_reference_11_abg_param;
1878         if (n_antennas_2_param != -1)
1879                 priv->conf.phy.number_of_assembled_ant2_4 = n_antennas_2_param;
1880         if (n_antennas_5_param != -1)
1881                 priv->conf.phy.number_of_assembled_ant5 = n_antennas_5_param;
1882         if (dc2dc_param != -1)
1883                 priv->conf.phy.external_pa_dc2dc = dc2dc_param;
1884
1885         if (ht_mode_param) {
1886                 if (!strcmp(ht_mode_param, "default"))
1887                         priv->conf.ht.mode = HT_MODE_DEFAULT;
1888                 else if (!strcmp(ht_mode_param, "wide"))
1889                         priv->conf.ht.mode = HT_MODE_WIDE;
1890                 else if (!strcmp(ht_mode_param, "siso20"))
1891                         priv->conf.ht.mode = HT_MODE_SISO20;
1892                 else {
1893                         wl1271_error("invalid ht_mode '%s'", ht_mode_param);
1894                         return -EINVAL;
1895                 }
1896         }
1897
1898         if (priv->conf.ht.mode == HT_MODE_DEFAULT) {
1899                 /*
1900                  * Only support mimo with multiple antennas. Fall back to
1901                  * siso40.
1902                  */
1903                 if (wl18xx_is_mimo_supported(wl))
1904                         wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
1905                                           &wl18xx_mimo_ht_cap_2ghz);
1906                 else
1907                         wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
1908                                           &wl18xx_siso40_ht_cap_2ghz);
1909
1910                 /* 5Ghz is always wide */
1911                 wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
1912                                   &wl18xx_siso40_ht_cap_5ghz);
1913         } else if (priv->conf.ht.mode == HT_MODE_WIDE) {
1914                 wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
1915                                   &wl18xx_siso40_ht_cap_2ghz);
1916                 wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
1917                                   &wl18xx_siso40_ht_cap_5ghz);
1918         } else if (priv->conf.ht.mode == HT_MODE_SISO20) {
1919                 wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
1920                                   &wl18xx_siso20_ht_cap);
1921                 wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
1922                                   &wl18xx_siso20_ht_cap);
1923         }
1924
1925         if (!checksum_param) {
1926                 wl18xx_ops.set_rx_csum = NULL;
1927                 wl18xx_ops.init_vif = NULL;
1928         }
1929
1930         /* Enable 11a Band only if we have 5G antennas */
1931         wl->enable_11a = (priv->conf.phy.number_of_assembled_ant5 != 0);
1932
1933         return 0;
1934 }
1935
1936 static int wl18xx_probe(struct platform_device *pdev)
1937 {
1938         struct wl1271 *wl;
1939         struct ieee80211_hw *hw;
1940         int ret;
1941
1942         hw = wlcore_alloc_hw(sizeof(struct wl18xx_priv),
1943                              WL18XX_AGGR_BUFFER_SIZE,
1944                              sizeof(struct wl18xx_event_mailbox));
1945         if (IS_ERR(hw)) {
1946                 wl1271_error("can't allocate hw");
1947                 ret = PTR_ERR(hw);
1948                 goto out;
1949         }
1950
1951         wl = hw->priv;
1952         wl->ops = &wl18xx_ops;
1953         wl->ptable = wl18xx_ptable;
1954         ret = wlcore_probe(wl, pdev);
1955         if (ret)
1956                 goto out_free;
1957
1958         return ret;
1959
1960 out_free:
1961         wlcore_free_hw(wl);
1962 out:
1963         return ret;
1964 }
1965
1966 static const struct platform_device_id wl18xx_id_table[] = {
1967         { "wl18xx", 0 },
1968         {  } /* Terminating Entry */
1969 };
1970 MODULE_DEVICE_TABLE(platform, wl18xx_id_table);
1971
1972 static struct platform_driver wl18xx_driver = {
1973         .probe          = wl18xx_probe,
1974         .remove         = wlcore_remove,
1975         .id_table       = wl18xx_id_table,
1976         .driver = {
1977                 .name   = "wl18xx_driver",
1978         }
1979 };
1980
1981 module_platform_driver(wl18xx_driver);
1982 module_param_named(ht_mode, ht_mode_param, charp, S_IRUSR);
1983 MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or siso20");
1984
1985 module_param_named(board_type, board_type_param, charp, S_IRUSR);
1986 MODULE_PARM_DESC(board_type, "Board type: fpga, hdk (default), evb, com8 or "
1987                  "dvp");
1988
1989 module_param_named(checksum, checksum_param, bool, S_IRUSR);
1990 MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to false)");
1991
1992 module_param_named(dc2dc, dc2dc_param, int, S_IRUSR);
1993 MODULE_PARM_DESC(dc2dc, "External DC2DC: u8 (defaults to 0)");
1994
1995 module_param_named(n_antennas_2, n_antennas_2_param, int, S_IRUSR);
1996 MODULE_PARM_DESC(n_antennas_2,
1997                  "Number of installed 2.4GHz antennas: 1 (default) or 2");
1998
1999 module_param_named(n_antennas_5, n_antennas_5_param, int, S_IRUSR);
2000 MODULE_PARM_DESC(n_antennas_5,
2001                  "Number of installed 5GHz antennas: 1 (default) or 2");
2002
2003 module_param_named(low_band_component, low_band_component_param, int,
2004                    S_IRUSR);
2005 MODULE_PARM_DESC(low_band_component, "Low band component: u8 "
2006                  "(default is 0x01)");
2007
2008 module_param_named(low_band_component_type, low_band_component_type_param,
2009                    int, S_IRUSR);
2010 MODULE_PARM_DESC(low_band_component_type, "Low band component type: u8 "
2011                  "(default is 0x05 or 0x06 depending on the board_type)");
2012
2013 module_param_named(high_band_component, high_band_component_param, int,
2014                    S_IRUSR);
2015 MODULE_PARM_DESC(high_band_component, "High band component: u8, "
2016                  "(default is 0x01)");
2017
2018 module_param_named(high_band_component_type, high_band_component_type_param,
2019                    int, S_IRUSR);
2020 MODULE_PARM_DESC(high_band_component_type, "High band component type: u8 "
2021                  "(default is 0x09)");
2022
2023 module_param_named(pwr_limit_reference_11_abg,
2024                    pwr_limit_reference_11_abg_param, int, S_IRUSR);
2025 MODULE_PARM_DESC(pwr_limit_reference_11_abg, "Power limit reference: u8 "
2026                  "(default is 0xc8)");
2027
2028 module_param_named(num_rx_desc,
2029                    num_rx_desc_param, int, S_IRUSR);
2030 MODULE_PARM_DESC(num_rx_desc_param,
2031                  "Number of Rx descriptors: u8 (default is 32)");
2032
2033 MODULE_LICENSE("GPL v2");
2034 MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
2035 MODULE_FIRMWARE(WL18XX_FW_NAME);