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[karo-tx-linux.git] / 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         },
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_ON_DEMAND,
460                 .mem_blocks                   = 2,
461                 .severity                     = 0,
462                 .timestamp                    = WL12XX_FWLOG_TIMESTAMP_DISABLED,
463                 .output                       = WL12XX_FWLOG_OUTPUT_HOST,
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_DEFAULT,
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        = 0x04,
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                 .low_power_val                  = 0x08,
560                 .med_power_val                  = 0x12,
561                 .high_power_val                 = 0x18,
562                 .low_power_val_2nd              = 0x05,
563                 .med_power_val_2nd              = 0x0a,
564                 .high_power_val_2nd             = 0x14,
565                 .external_pa_dc2dc              = 0,
566                 .number_of_assembled_ant2_4     = 2,
567                 .number_of_assembled_ant5       = 1,
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->scan_templ_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4;
690         wl->scan_templ_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5;
691         wl->sched_scan_templ_id_2_4 = CMD_TEMPL_PROBE_REQ_2_4_PERIODIC;
692         wl->sched_scan_templ_id_5 = CMD_TEMPL_PROBE_REQ_5_PERIODIC;
693         wl->max_channels_5 = WL18XX_MAX_CHANNELS_5GHZ;
694         wl->ba_rx_session_count_max = WL18XX_RX_BA_MAX_SESSIONS;
695 out:
696         return ret;
697 }
698
699 static int wl18xx_set_clk(struct wl1271 *wl)
700 {
701         u16 clk_freq;
702         int ret;
703
704         ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
705         if (ret < 0)
706                 goto out;
707
708         /* TODO: PG2: apparently we need to read the clk type */
709
710         ret = wl18xx_top_reg_read(wl, PRIMARY_CLK_DETECT, &clk_freq);
711         if (ret < 0)
712                 goto out;
713
714         wl1271_debug(DEBUG_BOOT, "clock freq %d (%d, %d, %d, %d, %s)", clk_freq,
715                      wl18xx_clk_table[clk_freq].n, wl18xx_clk_table[clk_freq].m,
716                      wl18xx_clk_table[clk_freq].p, wl18xx_clk_table[clk_freq].q,
717                      wl18xx_clk_table[clk_freq].swallow ? "swallow" : "spit");
718
719         /* coex PLL configuration */
720         ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_N,
721                                    wl18xx_clk_table_coex[clk_freq].n);
722         if (ret < 0)
723                 goto out;
724
725         ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_M,
726                                    wl18xx_clk_table_coex[clk_freq].m);
727         if (ret < 0)
728                 goto out;
729
730         /* bypass the swallowing logic */
731         ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN,
732                                    PLLSH_COEX_PLL_SWALLOW_EN_VAL1);
733         if (ret < 0)
734                 goto out;
735
736         ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_N,
737                                    wl18xx_clk_table[clk_freq].n);
738         if (ret < 0)
739                 goto out;
740
741         ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_M,
742                                    wl18xx_clk_table[clk_freq].m);
743         if (ret < 0)
744                 goto out;
745
746         if (wl18xx_clk_table[clk_freq].swallow) {
747                 /* first the 16 lower bits */
748                 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_1,
749                                            wl18xx_clk_table[clk_freq].q &
750                                            PLLSH_WCS_PLL_Q_FACTOR_CFG_1_MASK);
751                 if (ret < 0)
752                         goto out;
753
754                 /* then the 16 higher bits, masked out */
755                 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_2,
756                                         (wl18xx_clk_table[clk_freq].q >> 16) &
757                                         PLLSH_WCS_PLL_Q_FACTOR_CFG_2_MASK);
758                 if (ret < 0)
759                         goto out;
760
761                 /* first the 16 lower bits */
762                 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_1,
763                                            wl18xx_clk_table[clk_freq].p &
764                                            PLLSH_WCS_PLL_P_FACTOR_CFG_1_MASK);
765                 if (ret < 0)
766                         goto out;
767
768                 /* then the 16 higher bits, masked out */
769                 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_2,
770                                         (wl18xx_clk_table[clk_freq].p >> 16) &
771                                         PLLSH_WCS_PLL_P_FACTOR_CFG_2_MASK);
772         } else {
773                 ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_SWALLOW_EN,
774                                            PLLSH_WCS_PLL_SWALLOW_EN_VAL2);
775         }
776
777         /* choose WCS PLL */
778         ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_SEL,
779                                    PLLSH_WL_PLL_SEL_WCS_PLL);
780         if (ret < 0)
781                 goto out;
782
783         /* enable both PLLs */
784         ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL1);
785         if (ret < 0)
786                 goto out;
787
788         udelay(1000);
789
790         /* disable coex PLL */
791         ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL2);
792         if (ret < 0)
793                 goto out;
794
795         /* reset the swallowing logic */
796         ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN,
797                                    PLLSH_COEX_PLL_SWALLOW_EN_VAL2);
798         if (ret < 0)
799                 goto out;
800
801 out:
802         return ret;
803 }
804
805 static int wl18xx_boot_soft_reset(struct wl1271 *wl)
806 {
807         int ret;
808
809         /* disable Rx/Tx */
810         ret = wlcore_write32(wl, WL18XX_ENABLE, 0x0);
811         if (ret < 0)
812                 goto out;
813
814         /* disable auto calibration on start*/
815         ret = wlcore_write32(wl, WL18XX_SPARE_A2, 0xffff);
816
817 out:
818         return ret;
819 }
820
821 static int wl18xx_pre_boot(struct wl1271 *wl)
822 {
823         int ret;
824
825         ret = wl18xx_set_clk(wl);
826         if (ret < 0)
827                 goto out;
828
829         /* Continue the ELP wake up sequence */
830         ret = wlcore_write32(wl, WL18XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
831         if (ret < 0)
832                 goto out;
833
834         udelay(500);
835
836         ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
837         if (ret < 0)
838                 goto out;
839
840         /* Disable interrupts */
841         ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
842         if (ret < 0)
843                 goto out;
844
845         ret = wl18xx_boot_soft_reset(wl);
846
847 out:
848         return ret;
849 }
850
851 static int wl18xx_pre_upload(struct wl1271 *wl)
852 {
853         u32 tmp;
854         int ret;
855
856         BUILD_BUG_ON(sizeof(struct wl18xx_mac_and_phy_params) >
857                 WL18XX_PHY_INIT_MEM_SIZE);
858
859         ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
860         if (ret < 0)
861                 goto out;
862
863         /* TODO: check if this is all needed */
864         ret = wlcore_write32(wl, WL18XX_EEPROMLESS_IND, WL18XX_EEPROMLESS_IND);
865         if (ret < 0)
866                 goto out;
867
868         ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &tmp);
869         if (ret < 0)
870                 goto out;
871
872         wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
873
874         ret = wlcore_read32(wl, WL18XX_SCR_PAD2, &tmp);
875         if (ret < 0)
876                 goto out;
877
878         /*
879          * Workaround for FDSP code RAM corruption (needed for PG2.1
880          * and newer; for older chips it's a NOP).  Change FDSP clock
881          * settings so that it's muxed to the ATGP clock instead of
882          * its own clock.
883          */
884
885         ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
886         if (ret < 0)
887                 goto out;
888
889         /* disable FDSP clock */
890         ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
891                              MEM_FDSP_CLK_120_DISABLE);
892         if (ret < 0)
893                 goto out;
894
895         /* set ATPG clock toward FDSP Code RAM rather than its own clock */
896         ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
897                              MEM_FDSP_CODERAM_FUNC_CLK_SEL);
898         if (ret < 0)
899                 goto out;
900
901         /* re-enable FDSP clock */
902         ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
903                              MEM_FDSP_CLK_120_ENABLE);
904
905 out:
906         return ret;
907 }
908
909 static int wl18xx_set_mac_and_phy(struct wl1271 *wl)
910 {
911         struct wl18xx_priv *priv = wl->priv;
912         struct wl18xx_mac_and_phy_params *params;
913         int ret;
914
915         params = kmemdup(&priv->conf.phy, sizeof(*params), GFP_KERNEL);
916         if (!params) {
917                 ret = -ENOMEM;
918                 goto out;
919         }
920
921         ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
922         if (ret < 0)
923                 goto out;
924
925         ret = wlcore_write(wl, WL18XX_PHY_INIT_MEM_ADDR, params,
926                            sizeof(*params), false);
927
928 out:
929         kfree(params);
930         return ret;
931 }
932
933 static int wl18xx_enable_interrupts(struct wl1271 *wl)
934 {
935         u32 event_mask, intr_mask;
936         int ret;
937
938         event_mask = WL18XX_ACX_EVENTS_VECTOR;
939         intr_mask = WL18XX_INTR_MASK;
940
941         ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, event_mask);
942         if (ret < 0)
943                 goto out;
944
945         wlcore_enable_interrupts(wl);
946
947         ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK,
948                                WL1271_ACX_INTR_ALL & ~intr_mask);
949         if (ret < 0)
950                 goto disable_interrupts;
951
952         return ret;
953
954 disable_interrupts:
955         wlcore_disable_interrupts(wl);
956
957 out:
958         return ret;
959 }
960
961 static int wl18xx_boot(struct wl1271 *wl)
962 {
963         int ret;
964
965         ret = wl18xx_pre_boot(wl);
966         if (ret < 0)
967                 goto out;
968
969         ret = wl18xx_pre_upload(wl);
970         if (ret < 0)
971                 goto out;
972
973         ret = wlcore_boot_upload_firmware(wl);
974         if (ret < 0)
975                 goto out;
976
977         ret = wl18xx_set_mac_and_phy(wl);
978         if (ret < 0)
979                 goto out;
980
981         wl->event_mask = BSS_LOSS_EVENT_ID |
982                 SCAN_COMPLETE_EVENT_ID |
983                 RSSI_SNR_TRIGGER_0_EVENT_ID |
984                 PERIODIC_SCAN_COMPLETE_EVENT_ID |
985                 PERIODIC_SCAN_REPORT_EVENT_ID |
986                 DUMMY_PACKET_EVENT_ID |
987                 PEER_REMOVE_COMPLETE_EVENT_ID |
988                 BA_SESSION_RX_CONSTRAINT_EVENT_ID |
989                 REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID |
990                 INACTIVE_STA_EVENT_ID |
991                 MAX_TX_FAILURE_EVENT_ID |
992                 CHANNEL_SWITCH_COMPLETE_EVENT_ID |
993                 DFS_CHANNELS_CONFIG_COMPLETE_EVENT;
994
995         ret = wlcore_boot_run_firmware(wl);
996         if (ret < 0)
997                 goto out;
998
999         ret = wl18xx_enable_interrupts(wl);
1000
1001 out:
1002         return ret;
1003 }
1004
1005 static int wl18xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr,
1006                                void *buf, size_t len)
1007 {
1008         struct wl18xx_priv *priv = wl->priv;
1009
1010         memcpy(priv->cmd_buf, buf, len);
1011         memset(priv->cmd_buf + len, 0, WL18XX_CMD_MAX_SIZE - len);
1012
1013         return wlcore_write(wl, cmd_box_addr, priv->cmd_buf,
1014                             WL18XX_CMD_MAX_SIZE, false);
1015 }
1016
1017 static int wl18xx_ack_event(struct wl1271 *wl)
1018 {
1019         return wlcore_write_reg(wl, REG_INTERRUPT_TRIG,
1020                                 WL18XX_INTR_TRIG_EVENT_ACK);
1021 }
1022
1023 static u32 wl18xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks)
1024 {
1025         u32 blk_size = WL18XX_TX_HW_BLOCK_SIZE;
1026         return (len + blk_size - 1) / blk_size + spare_blks;
1027 }
1028
1029 static void
1030 wl18xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1031                           u32 blks, u32 spare_blks)
1032 {
1033         desc->wl18xx_mem.total_mem_blocks = blks;
1034 }
1035
1036 static void
1037 wl18xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
1038                             struct sk_buff *skb)
1039 {
1040         desc->length = cpu_to_le16(skb->len);
1041
1042         /* if only the last frame is to be padded, we unset this bit on Tx */
1043         if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME)
1044                 desc->wl18xx_mem.ctrl = WL18XX_TX_CTRL_NOT_PADDED;
1045         else
1046                 desc->wl18xx_mem.ctrl = 0;
1047
1048         wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d "
1049                      "len: %d life: %d mem: %d", desc->hlid,
1050                      le16_to_cpu(desc->length),
1051                      le16_to_cpu(desc->life_time),
1052                      desc->wl18xx_mem.total_mem_blocks);
1053 }
1054
1055 static enum wl_rx_buf_align
1056 wl18xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc)
1057 {
1058         if (rx_desc & RX_BUF_PADDED_PAYLOAD)
1059                 return WLCORE_RX_BUF_PADDED;
1060
1061         return WLCORE_RX_BUF_ALIGNED;
1062 }
1063
1064 static u32 wl18xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data,
1065                                     u32 data_len)
1066 {
1067         struct wl1271_rx_descriptor *desc = rx_data;
1068
1069         /* invalid packet */
1070         if (data_len < sizeof(*desc))
1071                 return 0;
1072
1073         return data_len - sizeof(*desc);
1074 }
1075
1076 static void wl18xx_tx_immediate_completion(struct wl1271 *wl)
1077 {
1078         wl18xx_tx_immediate_complete(wl);
1079 }
1080
1081 static int wl18xx_set_host_cfg_bitmap(struct wl1271 *wl, u32 extra_mem_blk)
1082 {
1083         int ret;
1084         u32 sdio_align_size = 0;
1085         u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE |
1086                               HOST_IF_CFG_ADD_RX_ALIGNMENT;
1087
1088         /* Enable Tx SDIO padding */
1089         if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) {
1090                 host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
1091                 sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
1092         }
1093
1094         /* Enable Rx SDIO padding */
1095         if (wl->quirks & WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN) {
1096                 host_cfg_bitmap |= HOST_IF_CFG_RX_PAD_TO_SDIO_BLK;
1097                 sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
1098         }
1099
1100         ret = wl18xx_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap,
1101                                             sdio_align_size, extra_mem_blk,
1102                                             WL18XX_HOST_IF_LEN_SIZE_FIELD);
1103         if (ret < 0)
1104                 return ret;
1105
1106         return 0;
1107 }
1108
1109 static int wl18xx_hw_init(struct wl1271 *wl)
1110 {
1111         int ret;
1112         struct wl18xx_priv *priv = wl->priv;
1113
1114         /* (re)init private structures. Relevant on recovery as well. */
1115         priv->last_fw_rls_idx = 0;
1116         priv->extra_spare_key_count = 0;
1117
1118         /* set the default amount of spare blocks in the bitmap */
1119         ret = wl18xx_set_host_cfg_bitmap(wl, WL18XX_TX_HW_BLOCK_SPARE);
1120         if (ret < 0)
1121                 return ret;
1122
1123         if (checksum_param) {
1124                 ret = wl18xx_acx_set_checksum_state(wl);
1125                 if (ret != 0)
1126                         return ret;
1127         }
1128
1129         return ret;
1130 }
1131
1132 static void wl18xx_set_tx_desc_csum(struct wl1271 *wl,
1133                                     struct wl1271_tx_hw_descr *desc,
1134                                     struct sk_buff *skb)
1135 {
1136         u32 ip_hdr_offset;
1137         struct iphdr *ip_hdr;
1138
1139         if (!checksum_param) {
1140                 desc->wl18xx_checksum_data = 0;
1141                 return;
1142         }
1143
1144         if (skb->ip_summed != CHECKSUM_PARTIAL) {
1145                 desc->wl18xx_checksum_data = 0;
1146                 return;
1147         }
1148
1149         ip_hdr_offset = skb_network_header(skb) - skb_mac_header(skb);
1150         if (WARN_ON(ip_hdr_offset >= (1<<7))) {
1151                 desc->wl18xx_checksum_data = 0;
1152                 return;
1153         }
1154
1155         desc->wl18xx_checksum_data = ip_hdr_offset << 1;
1156
1157         /* FW is interested only in the LSB of the protocol  TCP=0 UDP=1 */
1158         ip_hdr = (void *)skb_network_header(skb);
1159         desc->wl18xx_checksum_data |= (ip_hdr->protocol & 0x01);
1160 }
1161
1162 static void wl18xx_set_rx_csum(struct wl1271 *wl,
1163                                struct wl1271_rx_descriptor *desc,
1164                                struct sk_buff *skb)
1165 {
1166         if (desc->status & WL18XX_RX_CHECKSUM_MASK)
1167                 skb->ip_summed = CHECKSUM_UNNECESSARY;
1168 }
1169
1170 static bool wl18xx_is_mimo_supported(struct wl1271 *wl)
1171 {
1172         struct wl18xx_priv *priv = wl->priv;
1173
1174         /* only support MIMO with multiple antennas, and when SISO
1175          * is not forced through config
1176          */
1177         return (priv->conf.phy.number_of_assembled_ant2_4 >= 2) &&
1178                (priv->conf.ht.mode != HT_MODE_WIDE) &&
1179                (priv->conf.ht.mode != HT_MODE_SISO20);
1180 }
1181
1182 /*
1183  * TODO: instead of having these two functions to get the rate mask,
1184  * we should modify the wlvif->rate_set instead
1185  */
1186 static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl,
1187                                        struct wl12xx_vif *wlvif)
1188 {
1189         u32 hw_rate_set = wlvif->rate_set;
1190
1191         if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
1192             wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
1193                 wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
1194                 hw_rate_set |= CONF_TX_RATE_USE_WIDE_CHAN;
1195
1196                 /* we don't support MIMO in wide-channel mode */
1197                 hw_rate_set &= ~CONF_TX_MIMO_RATES;
1198         } else if (wl18xx_is_mimo_supported(wl)) {
1199                 wl1271_debug(DEBUG_ACX, "using MIMO channel rate mask");
1200                 hw_rate_set |= CONF_TX_MIMO_RATES;
1201         }
1202
1203         return hw_rate_set;
1204 }
1205
1206 static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl,
1207                                              struct wl12xx_vif *wlvif)
1208 {
1209         if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
1210             wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
1211                 wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
1212
1213                 /* sanity check - we don't support this */
1214                 if (WARN_ON(wlvif->band != IEEE80211_BAND_5GHZ))
1215                         return 0;
1216
1217                 return CONF_TX_RATE_USE_WIDE_CHAN;
1218         } else if (wl18xx_is_mimo_supported(wl) &&
1219                    wlvif->band == IEEE80211_BAND_2GHZ) {
1220                 wl1271_debug(DEBUG_ACX, "using MIMO rate mask");
1221                 /*
1222                  * we don't care about HT channel here - if a peer doesn't
1223                  * support MIMO, we won't enable it in its rates
1224                  */
1225                 return CONF_TX_MIMO_RATES;
1226         } else {
1227                 return 0;
1228         }
1229 }
1230
1231 static const char *wl18xx_rdl_name(enum wl18xx_rdl_num rdl_num)
1232 {
1233         switch (rdl_num) {
1234         case RDL_1_HP:
1235                 return "183xH";
1236         case RDL_2_SP:
1237                 return "183x or 180x";
1238         case RDL_3_HP:
1239                 return "187xH";
1240         case RDL_4_SP:
1241                 return "187x";
1242         case RDL_5_SP:
1243                 return "RDL11 - Not Supported";
1244         case RDL_6_SP:
1245                 return "180xD";
1246         case RDL_7_SP:
1247                 return "RDL13 - Not Supported (1893Q)";
1248         case RDL_8_SP:
1249                 return "18xxQ";
1250         case RDL_NONE:
1251                 return "UNTRIMMED";
1252         default:
1253                 return "UNKNOWN";
1254         }
1255 }
1256
1257 static int wl18xx_get_pg_ver(struct wl1271 *wl, s8 *ver)
1258 {
1259         u32 fuse;
1260         s8 rom = 0, metal = 0, pg_ver = 0, rdl_ver = 0, package_type = 0;
1261         int ret;
1262
1263         ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
1264         if (ret < 0)
1265                 goto out;
1266
1267         ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
1268         if (ret < 0)
1269                 goto out;
1270
1271         package_type = (fuse >> WL18XX_PACKAGE_TYPE_OFFSET) & 1;
1272
1273         ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_1_3, &fuse);
1274         if (ret < 0)
1275                 goto out;
1276
1277         pg_ver = (fuse & WL18XX_PG_VER_MASK) >> WL18XX_PG_VER_OFFSET;
1278         rom = (fuse & WL18XX_ROM_VER_MASK) >> WL18XX_ROM_VER_OFFSET;
1279
1280         if ((rom <= 0xE) && (package_type == WL18XX_PACKAGE_TYPE_WSP))
1281                 metal = (fuse & WL18XX_METAL_VER_MASK) >>
1282                         WL18XX_METAL_VER_OFFSET;
1283         else
1284                 metal = (fuse & WL18XX_NEW_METAL_VER_MASK) >>
1285                         WL18XX_NEW_METAL_VER_OFFSET;
1286
1287         ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
1288         if (ret < 0)
1289                 goto out;
1290
1291         rdl_ver = (fuse & WL18XX_RDL_VER_MASK) >> WL18XX_RDL_VER_OFFSET;
1292
1293         wl1271_info("wl18xx HW: %s, PG %d.%d (ROM 0x%x)",
1294                     wl18xx_rdl_name(rdl_ver), pg_ver, metal, rom);
1295
1296         if (ver)
1297                 *ver = pg_ver;
1298
1299         ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
1300
1301 out:
1302         return ret;
1303 }
1304
1305 #define WL18XX_CONF_FILE_NAME "ti-connectivity/wl18xx-conf.bin"
1306 static int wl18xx_conf_init(struct wl1271 *wl, struct device *dev)
1307 {
1308         struct wl18xx_priv *priv = wl->priv;
1309         struct wlcore_conf_file *conf_file;
1310         const struct firmware *fw;
1311         int ret;
1312
1313         ret = request_firmware(&fw, WL18XX_CONF_FILE_NAME, dev);
1314         if (ret < 0) {
1315                 wl1271_error("could not get configuration binary %s: %d",
1316                              WL18XX_CONF_FILE_NAME, ret);
1317                 goto out_fallback;
1318         }
1319
1320         if (fw->size != WL18XX_CONF_SIZE) {
1321                 wl1271_error("configuration binary file size is wrong, expected %zu got %zu",
1322                              WL18XX_CONF_SIZE, fw->size);
1323                 ret = -EINVAL;
1324                 goto out;
1325         }
1326
1327         conf_file = (struct wlcore_conf_file *) fw->data;
1328
1329         if (conf_file->header.magic != cpu_to_le32(WL18XX_CONF_MAGIC)) {
1330                 wl1271_error("configuration binary file magic number mismatch, "
1331                              "expected 0x%0x got 0x%0x", WL18XX_CONF_MAGIC,
1332                              conf_file->header.magic);
1333                 ret = -EINVAL;
1334                 goto out;
1335         }
1336
1337         if (conf_file->header.version != cpu_to_le32(WL18XX_CONF_VERSION)) {
1338                 wl1271_error("configuration binary file version not supported, "
1339                              "expected 0x%08x got 0x%08x",
1340                              WL18XX_CONF_VERSION, conf_file->header.version);
1341                 ret = -EINVAL;
1342                 goto out;
1343         }
1344
1345         memcpy(&wl->conf, &conf_file->core, sizeof(wl18xx_conf));
1346         memcpy(&priv->conf, &conf_file->priv, sizeof(priv->conf));
1347
1348         goto out;
1349
1350 out_fallback:
1351         wl1271_warning("falling back to default config");
1352
1353         /* apply driver default configuration */
1354         memcpy(&wl->conf, &wl18xx_conf, sizeof(wl18xx_conf));
1355         /* apply default private configuration */
1356         memcpy(&priv->conf, &wl18xx_default_priv_conf, sizeof(priv->conf));
1357
1358         /* For now we just fallback */
1359         return 0;
1360
1361 out:
1362         release_firmware(fw);
1363         return ret;
1364 }
1365
1366 static int wl18xx_plt_init(struct wl1271 *wl)
1367 {
1368         int ret;
1369
1370         /* calibrator based auto/fem detect not supported for 18xx */
1371         if (wl->plt_mode == PLT_FEM_DETECT) {
1372                 wl1271_error("wl18xx_plt_init: PLT FEM_DETECT not supported");
1373                 return -EINVAL;
1374         }
1375
1376         ret = wlcore_write32(wl, WL18XX_SCR_PAD8, WL18XX_SCR_PAD8_PLT);
1377         if (ret < 0)
1378                 return ret;
1379
1380         return wl->ops->boot(wl);
1381 }
1382
1383 static int wl18xx_get_mac(struct wl1271 *wl)
1384 {
1385         u32 mac1, mac2;
1386         int ret;
1387
1388         ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
1389         if (ret < 0)
1390                 goto out;
1391
1392         ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_1, &mac1);
1393         if (ret < 0)
1394                 goto out;
1395
1396         ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_2, &mac2);
1397         if (ret < 0)
1398                 goto out;
1399
1400         /* these are the two parts of the BD_ADDR */
1401         wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
1402                 ((mac1 & 0xff000000) >> 24);
1403         wl->fuse_nic_addr = (mac1 & 0xffffff);
1404
1405         if (!wl->fuse_oui_addr && !wl->fuse_nic_addr) {
1406                 u8 mac[ETH_ALEN];
1407
1408                 eth_random_addr(mac);
1409
1410                 wl->fuse_oui_addr = (mac[0] << 16) + (mac[1] << 8) + mac[2];
1411                 wl->fuse_nic_addr = (mac[3] << 16) + (mac[4] << 8) + mac[5];
1412                 wl1271_warning("MAC address from fuse not available, using random locally administered addresses.");
1413         }
1414
1415         ret = wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
1416
1417 out:
1418         return ret;
1419 }
1420
1421 static int wl18xx_handle_static_data(struct wl1271 *wl,
1422                                      struct wl1271_static_data *static_data)
1423 {
1424         struct wl18xx_static_data_priv *static_data_priv =
1425                 (struct wl18xx_static_data_priv *) static_data->priv;
1426
1427         strncpy(wl->chip.phy_fw_ver_str, static_data_priv->phy_version,
1428                 sizeof(wl->chip.phy_fw_ver_str));
1429
1430         /* make sure the string is NULL-terminated */
1431         wl->chip.phy_fw_ver_str[sizeof(wl->chip.phy_fw_ver_str) - 1] = '\0';
1432
1433         wl1271_info("PHY firmware version: %s", static_data_priv->phy_version);
1434
1435         return 0;
1436 }
1437
1438 static int wl18xx_get_spare_blocks(struct wl1271 *wl, bool is_gem)
1439 {
1440         struct wl18xx_priv *priv = wl->priv;
1441
1442         /* If we have keys requiring extra spare, indulge them */
1443         if (priv->extra_spare_key_count)
1444                 return WL18XX_TX_HW_EXTRA_BLOCK_SPARE;
1445
1446         return WL18XX_TX_HW_BLOCK_SPARE;
1447 }
1448
1449 static int wl18xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
1450                           struct ieee80211_vif *vif,
1451                           struct ieee80211_sta *sta,
1452                           struct ieee80211_key_conf *key_conf)
1453 {
1454         struct wl18xx_priv *priv = wl->priv;
1455         bool change_spare = false, special_enc;
1456         int ret;
1457
1458         wl1271_debug(DEBUG_CRYPT, "extra spare keys before: %d",
1459                      priv->extra_spare_key_count);
1460
1461         special_enc = key_conf->cipher == WL1271_CIPHER_SUITE_GEM ||
1462                       key_conf->cipher == WLAN_CIPHER_SUITE_TKIP;
1463
1464         ret = wlcore_set_key(wl, cmd, vif, sta, key_conf);
1465         if (ret < 0)
1466                 goto out;
1467
1468         /*
1469          * when adding the first or removing the last GEM/TKIP key,
1470          * we have to adjust the number of spare blocks.
1471          */
1472         if (special_enc) {
1473                 if (cmd == SET_KEY) {
1474                         /* first key */
1475                         change_spare = (priv->extra_spare_key_count == 0);
1476                         priv->extra_spare_key_count++;
1477                 } else if (cmd == DISABLE_KEY) {
1478                         /* last key */
1479                         change_spare = (priv->extra_spare_key_count == 1);
1480                         priv->extra_spare_key_count--;
1481                 }
1482         }
1483
1484         wl1271_debug(DEBUG_CRYPT, "extra spare keys after: %d",
1485                      priv->extra_spare_key_count);
1486
1487         if (!change_spare)
1488                 goto out;
1489
1490         /* key is now set, change the spare blocks */
1491         if (priv->extra_spare_key_count)
1492                 ret = wl18xx_set_host_cfg_bitmap(wl,
1493                                         WL18XX_TX_HW_EXTRA_BLOCK_SPARE);
1494         else
1495                 ret = wl18xx_set_host_cfg_bitmap(wl,
1496                                         WL18XX_TX_HW_BLOCK_SPARE);
1497
1498 out:
1499         return ret;
1500 }
1501
1502 static u32 wl18xx_pre_pkt_send(struct wl1271 *wl,
1503                                u32 buf_offset, u32 last_len)
1504 {
1505         if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME) {
1506                 struct wl1271_tx_hw_descr *last_desc;
1507
1508                 /* get the last TX HW descriptor written to the aggr buf */
1509                 last_desc = (struct wl1271_tx_hw_descr *)(wl->aggr_buf +
1510                                                         buf_offset - last_len);
1511
1512                 /* the last frame is padded up to an SDIO block */
1513                 last_desc->wl18xx_mem.ctrl &= ~WL18XX_TX_CTRL_NOT_PADDED;
1514                 return ALIGN(buf_offset, WL12XX_BUS_BLOCK_SIZE);
1515         }
1516
1517         /* no modifications */
1518         return buf_offset;
1519 }
1520
1521 static void wl18xx_sta_rc_update(struct wl1271 *wl,
1522                                  struct wl12xx_vif *wlvif,
1523                                  struct ieee80211_sta *sta,
1524                                  u32 changed)
1525 {
1526         bool wide = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
1527
1528         wl1271_debug(DEBUG_MAC80211, "mac80211 sta_rc_update wide %d", wide);
1529
1530         if (!(changed & IEEE80211_RC_BW_CHANGED))
1531                 return;
1532
1533         mutex_lock(&wl->mutex);
1534
1535         /* sanity */
1536         if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS))
1537                 goto out;
1538
1539         /* ignore the change before association */
1540         if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
1541                 goto out;
1542
1543         /*
1544          * If we started out as wide, we can change the operation mode. If we
1545          * thought this was a 20mhz AP, we have to reconnect
1546          */
1547         if (wlvif->sta.role_chan_type == NL80211_CHAN_HT40MINUS ||
1548             wlvif->sta.role_chan_type == NL80211_CHAN_HT40PLUS)
1549                 wl18xx_acx_peer_ht_operation_mode(wl, wlvif->sta.hlid, wide);
1550         else
1551                 ieee80211_connection_loss(wl12xx_wlvif_to_vif(wlvif));
1552
1553 out:
1554         mutex_unlock(&wl->mutex);
1555 }
1556
1557 static int wl18xx_set_peer_cap(struct wl1271 *wl,
1558                                struct ieee80211_sta_ht_cap *ht_cap,
1559                                bool allow_ht_operation,
1560                                u32 rate_set, u8 hlid)
1561 {
1562         return wl18xx_acx_set_peer_cap(wl, ht_cap, allow_ht_operation,
1563                                        rate_set, hlid);
1564 }
1565
1566 static bool wl18xx_lnk_high_prio(struct wl1271 *wl, u8 hlid,
1567                                  struct wl1271_link *lnk)
1568 {
1569         u8 thold;
1570         struct wl18xx_fw_status_priv *status_priv =
1571                 (struct wl18xx_fw_status_priv *)wl->fw_status_2->priv;
1572         u32 suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
1573
1574         /* suspended links are never high priority */
1575         if (test_bit(hlid, (unsigned long *)&suspend_bitmap))
1576                 return false;
1577
1578         /* the priority thresholds are taken from FW */
1579         if (test_bit(hlid, (unsigned long *)&wl->fw_fast_lnk_map) &&
1580             !test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map))
1581                 thold = status_priv->tx_fast_link_prio_threshold;
1582         else
1583                 thold = status_priv->tx_slow_link_prio_threshold;
1584
1585         return lnk->allocated_pkts < thold;
1586 }
1587
1588 static bool wl18xx_lnk_low_prio(struct wl1271 *wl, u8 hlid,
1589                                 struct wl1271_link *lnk)
1590 {
1591         u8 thold;
1592         struct wl18xx_fw_status_priv *status_priv =
1593                 (struct wl18xx_fw_status_priv *)wl->fw_status_2->priv;
1594         u32 suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
1595
1596         if (test_bit(hlid, (unsigned long *)&suspend_bitmap))
1597                 thold = status_priv->tx_suspend_threshold;
1598         else if (test_bit(hlid, (unsigned long *)&wl->fw_fast_lnk_map) &&
1599                  !test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map))
1600                 thold = status_priv->tx_fast_stop_threshold;
1601         else
1602                 thold = status_priv->tx_slow_stop_threshold;
1603
1604         return lnk->allocated_pkts < thold;
1605 }
1606
1607 static int wl18xx_setup(struct wl1271 *wl);
1608
1609 static struct wlcore_ops wl18xx_ops = {
1610         .setup          = wl18xx_setup,
1611         .identify_chip  = wl18xx_identify_chip,
1612         .boot           = wl18xx_boot,
1613         .plt_init       = wl18xx_plt_init,
1614         .trigger_cmd    = wl18xx_trigger_cmd,
1615         .ack_event      = wl18xx_ack_event,
1616         .wait_for_event = wl18xx_wait_for_event,
1617         .process_mailbox_events = wl18xx_process_mailbox_events,
1618         .calc_tx_blocks = wl18xx_calc_tx_blocks,
1619         .set_tx_desc_blocks = wl18xx_set_tx_desc_blocks,
1620         .set_tx_desc_data_len = wl18xx_set_tx_desc_data_len,
1621         .get_rx_buf_align = wl18xx_get_rx_buf_align,
1622         .get_rx_packet_len = wl18xx_get_rx_packet_len,
1623         .tx_immediate_compl = wl18xx_tx_immediate_completion,
1624         .tx_delayed_compl = NULL,
1625         .hw_init        = wl18xx_hw_init,
1626         .set_tx_desc_csum = wl18xx_set_tx_desc_csum,
1627         .get_pg_ver     = wl18xx_get_pg_ver,
1628         .set_rx_csum = wl18xx_set_rx_csum,
1629         .sta_get_ap_rate_mask = wl18xx_sta_get_ap_rate_mask,
1630         .ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask,
1631         .get_mac        = wl18xx_get_mac,
1632         .debugfs_init   = wl18xx_debugfs_add_files,
1633         .scan_start     = wl18xx_scan_start,
1634         .scan_stop      = wl18xx_scan_stop,
1635         .sched_scan_start       = wl18xx_sched_scan_start,
1636         .sched_scan_stop        = wl18xx_scan_sched_scan_stop,
1637         .handle_static_data     = wl18xx_handle_static_data,
1638         .get_spare_blocks = wl18xx_get_spare_blocks,
1639         .set_key        = wl18xx_set_key,
1640         .channel_switch = wl18xx_cmd_channel_switch,
1641         .pre_pkt_send   = wl18xx_pre_pkt_send,
1642         .sta_rc_update  = wl18xx_sta_rc_update,
1643         .set_peer_cap   = wl18xx_set_peer_cap,
1644         .lnk_high_prio  = wl18xx_lnk_high_prio,
1645         .lnk_low_prio   = wl18xx_lnk_low_prio,
1646 };
1647
1648 /* HT cap appropriate for wide channels in 2Ghz */
1649 static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_2ghz = {
1650         .cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
1651                IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_DSSSCCK40 |
1652                IEEE80211_HT_CAP_GRN_FLD,
1653         .ht_supported = true,
1654         .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1655         .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1656         .mcs = {
1657                 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1658                 .rx_highest = cpu_to_le16(150),
1659                 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1660                 },
1661 };
1662
1663 /* HT cap appropriate for wide channels in 5Ghz */
1664 static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_5ghz = {
1665         .cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
1666                IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
1667                IEEE80211_HT_CAP_GRN_FLD,
1668         .ht_supported = true,
1669         .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1670         .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1671         .mcs = {
1672                 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1673                 .rx_highest = cpu_to_le16(150),
1674                 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1675                 },
1676 };
1677
1678 /* HT cap appropriate for SISO 20 */
1679 static struct ieee80211_sta_ht_cap wl18xx_siso20_ht_cap = {
1680         .cap = IEEE80211_HT_CAP_SGI_20 |
1681                IEEE80211_HT_CAP_GRN_FLD,
1682         .ht_supported = true,
1683         .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1684         .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1685         .mcs = {
1686                 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
1687                 .rx_highest = cpu_to_le16(72),
1688                 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1689                 },
1690 };
1691
1692 /* HT cap appropriate for MIMO rates in 20mhz channel */
1693 static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap_2ghz = {
1694         .cap = IEEE80211_HT_CAP_SGI_20 |
1695                IEEE80211_HT_CAP_GRN_FLD,
1696         .ht_supported = true,
1697         .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
1698         .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
1699         .mcs = {
1700                 .rx_mask = { 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, },
1701                 .rx_highest = cpu_to_le16(144),
1702                 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
1703                 },
1704 };
1705
1706 static int wl18xx_setup(struct wl1271 *wl)
1707 {
1708         struct wl18xx_priv *priv = wl->priv;
1709         int ret;
1710
1711         wl->rtable = wl18xx_rtable;
1712         wl->num_tx_desc = WL18XX_NUM_TX_DESCRIPTORS;
1713         wl->num_rx_desc = WL18XX_NUM_RX_DESCRIPTORS;
1714         wl->num_channels = 2;
1715         wl->num_mac_addr = WL18XX_NUM_MAC_ADDRESSES;
1716         wl->band_rate_to_idx = wl18xx_band_rate_to_idx;
1717         wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX;
1718         wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0;
1719         wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv);
1720         wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics);
1721         wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv);
1722
1723         if (num_rx_desc_param != -1)
1724                 wl->num_rx_desc = num_rx_desc_param;
1725
1726         ret = wl18xx_conf_init(wl, wl->dev);
1727         if (ret < 0)
1728                 return ret;
1729
1730         /* If the module param is set, update it in conf */
1731         if (board_type_param) {
1732                 if (!strcmp(board_type_param, "fpga")) {
1733                         priv->conf.phy.board_type = BOARD_TYPE_FPGA_18XX;
1734                 } else if (!strcmp(board_type_param, "hdk")) {
1735                         priv->conf.phy.board_type = BOARD_TYPE_HDK_18XX;
1736                 } else if (!strcmp(board_type_param, "dvp")) {
1737                         priv->conf.phy.board_type = BOARD_TYPE_DVP_18XX;
1738                 } else if (!strcmp(board_type_param, "evb")) {
1739                         priv->conf.phy.board_type = BOARD_TYPE_EVB_18XX;
1740                 } else if (!strcmp(board_type_param, "com8")) {
1741                         priv->conf.phy.board_type = BOARD_TYPE_COM8_18XX;
1742                 } else {
1743                         wl1271_error("invalid board type '%s'",
1744                                 board_type_param);
1745                         return -EINVAL;
1746                 }
1747         }
1748
1749         if (priv->conf.phy.board_type >= NUM_BOARD_TYPES) {
1750                 wl1271_error("invalid board type '%d'",
1751                         priv->conf.phy.board_type);
1752                 return -EINVAL;
1753         }
1754
1755         if (low_band_component_param != -1)
1756                 priv->conf.phy.low_band_component = low_band_component_param;
1757         if (low_band_component_type_param != -1)
1758                 priv->conf.phy.low_band_component_type =
1759                         low_band_component_type_param;
1760         if (high_band_component_param != -1)
1761                 priv->conf.phy.high_band_component = high_band_component_param;
1762         if (high_band_component_type_param != -1)
1763                 priv->conf.phy.high_band_component_type =
1764                         high_band_component_type_param;
1765         if (pwr_limit_reference_11_abg_param != -1)
1766                 priv->conf.phy.pwr_limit_reference_11_abg =
1767                         pwr_limit_reference_11_abg_param;
1768         if (n_antennas_2_param != -1)
1769                 priv->conf.phy.number_of_assembled_ant2_4 = n_antennas_2_param;
1770         if (n_antennas_5_param != -1)
1771                 priv->conf.phy.number_of_assembled_ant5 = n_antennas_5_param;
1772         if (dc2dc_param != -1)
1773                 priv->conf.phy.external_pa_dc2dc = dc2dc_param;
1774
1775         if (ht_mode_param) {
1776                 if (!strcmp(ht_mode_param, "default"))
1777                         priv->conf.ht.mode = HT_MODE_DEFAULT;
1778                 else if (!strcmp(ht_mode_param, "wide"))
1779                         priv->conf.ht.mode = HT_MODE_WIDE;
1780                 else if (!strcmp(ht_mode_param, "siso20"))
1781                         priv->conf.ht.mode = HT_MODE_SISO20;
1782                 else {
1783                         wl1271_error("invalid ht_mode '%s'", ht_mode_param);
1784                         return -EINVAL;
1785                 }
1786         }
1787
1788         if (priv->conf.ht.mode == HT_MODE_DEFAULT) {
1789                 /*
1790                  * Only support mimo with multiple antennas. Fall back to
1791                  * siso40.
1792                  */
1793                 if (wl18xx_is_mimo_supported(wl))
1794                         wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
1795                                           &wl18xx_mimo_ht_cap_2ghz);
1796                 else
1797                         wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
1798                                           &wl18xx_siso40_ht_cap_2ghz);
1799
1800                 /* 5Ghz is always wide */
1801                 wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
1802                                   &wl18xx_siso40_ht_cap_5ghz);
1803         } else if (priv->conf.ht.mode == HT_MODE_WIDE) {
1804                 wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
1805                                   &wl18xx_siso40_ht_cap_2ghz);
1806                 wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
1807                                   &wl18xx_siso40_ht_cap_5ghz);
1808         } else if (priv->conf.ht.mode == HT_MODE_SISO20) {
1809                 wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
1810                                   &wl18xx_siso20_ht_cap);
1811                 wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
1812                                   &wl18xx_siso20_ht_cap);
1813         }
1814
1815         if (!checksum_param) {
1816                 wl18xx_ops.set_rx_csum = NULL;
1817                 wl18xx_ops.init_vif = NULL;
1818         }
1819
1820         /* Enable 11a Band only if we have 5G antennas */
1821         wl->enable_11a = (priv->conf.phy.number_of_assembled_ant5 != 0);
1822
1823         return 0;
1824 }
1825
1826 static int wl18xx_probe(struct platform_device *pdev)
1827 {
1828         struct wl1271 *wl;
1829         struct ieee80211_hw *hw;
1830         int ret;
1831
1832         hw = wlcore_alloc_hw(sizeof(struct wl18xx_priv),
1833                              WL18XX_AGGR_BUFFER_SIZE,
1834                              sizeof(struct wl18xx_event_mailbox));
1835         if (IS_ERR(hw)) {
1836                 wl1271_error("can't allocate hw");
1837                 ret = PTR_ERR(hw);
1838                 goto out;
1839         }
1840
1841         wl = hw->priv;
1842         wl->ops = &wl18xx_ops;
1843         wl->ptable = wl18xx_ptable;
1844         ret = wlcore_probe(wl, pdev);
1845         if (ret)
1846                 goto out_free;
1847
1848         return ret;
1849
1850 out_free:
1851         wlcore_free_hw(wl);
1852 out:
1853         return ret;
1854 }
1855
1856 static const struct platform_device_id wl18xx_id_table[] = {
1857         { "wl18xx", 0 },
1858         {  } /* Terminating Entry */
1859 };
1860 MODULE_DEVICE_TABLE(platform, wl18xx_id_table);
1861
1862 static struct platform_driver wl18xx_driver = {
1863         .probe          = wl18xx_probe,
1864         .remove         = wlcore_remove,
1865         .id_table       = wl18xx_id_table,
1866         .driver = {
1867                 .name   = "wl18xx_driver",
1868                 .owner  = THIS_MODULE,
1869         }
1870 };
1871
1872 module_platform_driver(wl18xx_driver);
1873 module_param_named(ht_mode, ht_mode_param, charp, S_IRUSR);
1874 MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or siso20");
1875
1876 module_param_named(board_type, board_type_param, charp, S_IRUSR);
1877 MODULE_PARM_DESC(board_type, "Board type: fpga, hdk (default), evb, com8 or "
1878                  "dvp");
1879
1880 module_param_named(checksum, checksum_param, bool, S_IRUSR);
1881 MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to false)");
1882
1883 module_param_named(dc2dc, dc2dc_param, int, S_IRUSR);
1884 MODULE_PARM_DESC(dc2dc, "External DC2DC: u8 (defaults to 0)");
1885
1886 module_param_named(n_antennas_2, n_antennas_2_param, int, S_IRUSR);
1887 MODULE_PARM_DESC(n_antennas_2,
1888                  "Number of installed 2.4GHz antennas: 1 (default) or 2");
1889
1890 module_param_named(n_antennas_5, n_antennas_5_param, int, S_IRUSR);
1891 MODULE_PARM_DESC(n_antennas_5,
1892                  "Number of installed 5GHz antennas: 1 (default) or 2");
1893
1894 module_param_named(low_band_component, low_band_component_param, int,
1895                    S_IRUSR);
1896 MODULE_PARM_DESC(low_band_component, "Low band component: u8 "
1897                  "(default is 0x01)");
1898
1899 module_param_named(low_band_component_type, low_band_component_type_param,
1900                    int, S_IRUSR);
1901 MODULE_PARM_DESC(low_band_component_type, "Low band component type: u8 "
1902                  "(default is 0x05 or 0x06 depending on the board_type)");
1903
1904 module_param_named(high_band_component, high_band_component_param, int,
1905                    S_IRUSR);
1906 MODULE_PARM_DESC(high_band_component, "High band component: u8, "
1907                  "(default is 0x01)");
1908
1909 module_param_named(high_band_component_type, high_band_component_type_param,
1910                    int, S_IRUSR);
1911 MODULE_PARM_DESC(high_band_component_type, "High band component type: u8 "
1912                  "(default is 0x09)");
1913
1914 module_param_named(pwr_limit_reference_11_abg,
1915                    pwr_limit_reference_11_abg_param, int, S_IRUSR);
1916 MODULE_PARM_DESC(pwr_limit_reference_11_abg, "Power limit reference: u8 "
1917                  "(default is 0xc8)");
1918
1919 module_param_named(num_rx_desc,
1920                    num_rx_desc_param, int, S_IRUSR);
1921 MODULE_PARM_DESC(num_rx_desc_param,
1922                  "Number of Rx descriptors: u8 (default is 32)");
1923
1924 MODULE_LICENSE("GPL v2");
1925 MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
1926 MODULE_FIRMWARE(WL18XX_FW_NAME);