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a910e4a9 SP |
1 | /* |
2 | * mac80211 glue code for mac80211 ST-Ericsson CW1200 drivers | |
3 | * | |
4 | * Copyright (c) 2010, ST-Ericsson | |
5 | * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> | |
6 | * | |
7 | * Based on: | |
8 | * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> | |
9 | * Copyright (c) 2007-2009, Christian Lamparter <chunkeey@web.de> | |
10 | * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> | |
11 | * | |
12 | * Based on: | |
13 | * - the islsm (softmac prism54) driver, which is: | |
14 | * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. | |
15 | * - stlc45xx driver | |
16 | * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). | |
17 | * | |
18 | * This program is free software; you can redistribute it and/or modify | |
19 | * it under the terms of the GNU General Public License version 2 as | |
20 | * published by the Free Software Foundation. | |
21 | */ | |
22 | ||
23 | #include <linux/module.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/firmware.h> | |
26 | #include <linux/etherdevice.h> | |
27 | #include <linux/vmalloc.h> | |
28 | #include <linux/random.h> | |
29 | #include <linux/sched.h> | |
30 | #include <net/mac80211.h> | |
31 | ||
32 | #include "cw1200.h" | |
33 | #include "txrx.h" | |
911373cc | 34 | #include "hwbus.h" |
a910e4a9 SP |
35 | #include "fwio.h" |
36 | #include "hwio.h" | |
37 | #include "bh.h" | |
38 | #include "sta.h" | |
39 | #include "scan.h" | |
40 | #include "debug.h" | |
41 | #include "pm.h" | |
42 | ||
43 | MODULE_AUTHOR("Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>"); | |
44 | MODULE_DESCRIPTION("Softmac ST-Ericsson CW1200 common code"); | |
45 | MODULE_LICENSE("GPL"); | |
46 | MODULE_ALIAS("cw1200_core"); | |
47 | ||
48 | /* Accept MAC address of the form macaddr=0x00,0x80,0xE1,0x30,0x40,0x50 */ | |
49 | static u8 cw1200_mac_template[ETH_ALEN] = {0x02, 0x80, 0xe1, 0x00, 0x00, 0x00}; | |
50 | module_param_array_named(macaddr, cw1200_mac_template, byte, NULL, S_IRUGO); | |
51 | MODULE_PARM_DESC(macaddr, "Override platform_data MAC address"); | |
52 | ||
53 | static char *cw1200_sdd_path; | |
54 | module_param(cw1200_sdd_path, charp, 0644); | |
55 | MODULE_PARM_DESC(cw1200_sdd_path, "Override platform_data SDD file"); | |
56 | static int cw1200_refclk; | |
57 | module_param(cw1200_refclk, int, 0644); | |
58 | MODULE_PARM_DESC(cw1200_refclk, "Override platform_data reference clock"); | |
59 | ||
60 | int cw1200_power_mode = wsm_power_mode_quiescent; | |
61 | module_param(cw1200_power_mode, int, 0644); | |
62 | MODULE_PARM_DESC(cw1200_power_mode, "WSM power mode. 0 == active, 1 == doze, 2 == quiescent (default)"); | |
63 | ||
a910e4a9 SP |
64 | #define RATETAB_ENT(_rate, _rateid, _flags) \ |
65 | { \ | |
66 | .bitrate = (_rate), \ | |
67 | .hw_value = (_rateid), \ | |
68 | .flags = (_flags), \ | |
69 | } | |
70 | ||
71 | static struct ieee80211_rate cw1200_rates[] = { | |
72 | RATETAB_ENT(10, 0, 0), | |
73 | RATETAB_ENT(20, 1, 0), | |
74 | RATETAB_ENT(55, 2, 0), | |
75 | RATETAB_ENT(110, 3, 0), | |
76 | RATETAB_ENT(60, 6, 0), | |
77 | RATETAB_ENT(90, 7, 0), | |
78 | RATETAB_ENT(120, 8, 0), | |
79 | RATETAB_ENT(180, 9, 0), | |
80 | RATETAB_ENT(240, 10, 0), | |
81 | RATETAB_ENT(360, 11, 0), | |
82 | RATETAB_ENT(480, 12, 0), | |
83 | RATETAB_ENT(540, 13, 0), | |
84 | }; | |
85 | ||
86 | static struct ieee80211_rate cw1200_mcs_rates[] = { | |
87 | RATETAB_ENT(65, 14, IEEE80211_TX_RC_MCS), | |
88 | RATETAB_ENT(130, 15, IEEE80211_TX_RC_MCS), | |
89 | RATETAB_ENT(195, 16, IEEE80211_TX_RC_MCS), | |
90 | RATETAB_ENT(260, 17, IEEE80211_TX_RC_MCS), | |
91 | RATETAB_ENT(390, 18, IEEE80211_TX_RC_MCS), | |
92 | RATETAB_ENT(520, 19, IEEE80211_TX_RC_MCS), | |
93 | RATETAB_ENT(585, 20, IEEE80211_TX_RC_MCS), | |
94 | RATETAB_ENT(650, 21, IEEE80211_TX_RC_MCS), | |
95 | }; | |
96 | ||
97 | #define cw1200_a_rates (cw1200_rates + 4) | |
98 | #define cw1200_a_rates_size (ARRAY_SIZE(cw1200_rates) - 4) | |
99 | #define cw1200_g_rates (cw1200_rates + 0) | |
100 | #define cw1200_g_rates_size (ARRAY_SIZE(cw1200_rates)) | |
101 | #define cw1200_n_rates (cw1200_mcs_rates) | |
102 | #define cw1200_n_rates_size (ARRAY_SIZE(cw1200_mcs_rates)) | |
103 | ||
104 | ||
105 | #define CHAN2G(_channel, _freq, _flags) { \ | |
106 | .band = IEEE80211_BAND_2GHZ, \ | |
107 | .center_freq = (_freq), \ | |
108 | .hw_value = (_channel), \ | |
109 | .flags = (_flags), \ | |
110 | .max_antenna_gain = 0, \ | |
111 | .max_power = 30, \ | |
112 | } | |
113 | ||
114 | #define CHAN5G(_channel, _flags) { \ | |
115 | .band = IEEE80211_BAND_5GHZ, \ | |
116 | .center_freq = 5000 + (5 * (_channel)), \ | |
117 | .hw_value = (_channel), \ | |
118 | .flags = (_flags), \ | |
119 | .max_antenna_gain = 0, \ | |
120 | .max_power = 30, \ | |
121 | } | |
122 | ||
123 | static struct ieee80211_channel cw1200_2ghz_chantable[] = { | |
124 | CHAN2G(1, 2412, 0), | |
125 | CHAN2G(2, 2417, 0), | |
126 | CHAN2G(3, 2422, 0), | |
127 | CHAN2G(4, 2427, 0), | |
128 | CHAN2G(5, 2432, 0), | |
129 | CHAN2G(6, 2437, 0), | |
130 | CHAN2G(7, 2442, 0), | |
131 | CHAN2G(8, 2447, 0), | |
132 | CHAN2G(9, 2452, 0), | |
133 | CHAN2G(10, 2457, 0), | |
134 | CHAN2G(11, 2462, 0), | |
135 | CHAN2G(12, 2467, 0), | |
136 | CHAN2G(13, 2472, 0), | |
137 | CHAN2G(14, 2484, 0), | |
138 | }; | |
139 | ||
140 | static struct ieee80211_channel cw1200_5ghz_chantable[] = { | |
141 | CHAN5G(34, 0), CHAN5G(36, 0), | |
142 | CHAN5G(38, 0), CHAN5G(40, 0), | |
143 | CHAN5G(42, 0), CHAN5G(44, 0), | |
144 | CHAN5G(46, 0), CHAN5G(48, 0), | |
145 | CHAN5G(52, 0), CHAN5G(56, 0), | |
146 | CHAN5G(60, 0), CHAN5G(64, 0), | |
147 | CHAN5G(100, 0), CHAN5G(104, 0), | |
148 | CHAN5G(108, 0), CHAN5G(112, 0), | |
149 | CHAN5G(116, 0), CHAN5G(120, 0), | |
150 | CHAN5G(124, 0), CHAN5G(128, 0), | |
151 | CHAN5G(132, 0), CHAN5G(136, 0), | |
152 | CHAN5G(140, 0), CHAN5G(149, 0), | |
153 | CHAN5G(153, 0), CHAN5G(157, 0), | |
154 | CHAN5G(161, 0), CHAN5G(165, 0), | |
155 | CHAN5G(184, 0), CHAN5G(188, 0), | |
156 | CHAN5G(192, 0), CHAN5G(196, 0), | |
157 | CHAN5G(200, 0), CHAN5G(204, 0), | |
158 | CHAN5G(208, 0), CHAN5G(212, 0), | |
159 | CHAN5G(216, 0), | |
160 | }; | |
161 | ||
162 | static struct ieee80211_supported_band cw1200_band_2ghz = { | |
163 | .channels = cw1200_2ghz_chantable, | |
164 | .n_channels = ARRAY_SIZE(cw1200_2ghz_chantable), | |
165 | .bitrates = cw1200_g_rates, | |
166 | .n_bitrates = cw1200_g_rates_size, | |
167 | .ht_cap = { | |
168 | .cap = IEEE80211_HT_CAP_GRN_FLD | | |
169 | (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT) | | |
170 | IEEE80211_HT_CAP_MAX_AMSDU, | |
171 | .ht_supported = 1, | |
172 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, | |
173 | .ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE, | |
174 | .mcs = { | |
175 | .rx_mask[0] = 0xFF, | |
176 | .rx_highest = __cpu_to_le16(0x41), | |
177 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED, | |
178 | }, | |
179 | }, | |
180 | }; | |
181 | ||
182 | static struct ieee80211_supported_band cw1200_band_5ghz = { | |
183 | .channels = cw1200_5ghz_chantable, | |
184 | .n_channels = ARRAY_SIZE(cw1200_5ghz_chantable), | |
185 | .bitrates = cw1200_a_rates, | |
186 | .n_bitrates = cw1200_a_rates_size, | |
187 | .ht_cap = { | |
188 | .cap = IEEE80211_HT_CAP_GRN_FLD | | |
189 | (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT) | | |
190 | IEEE80211_HT_CAP_MAX_AMSDU, | |
191 | .ht_supported = 1, | |
192 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, | |
193 | .ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE, | |
194 | .mcs = { | |
195 | .rx_mask[0] = 0xFF, | |
196 | .rx_highest = __cpu_to_le16(0x41), | |
197 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED, | |
198 | }, | |
199 | }, | |
200 | }; | |
201 | ||
202 | static const unsigned long cw1200_ttl[] = { | |
203 | 1 * HZ, /* VO */ | |
204 | 2 * HZ, /* VI */ | |
205 | 5 * HZ, /* BE */ | |
206 | 10 * HZ /* BK */ | |
207 | }; | |
208 | ||
209 | static const struct ieee80211_ops cw1200_ops = { | |
210 | .start = cw1200_start, | |
211 | .stop = cw1200_stop, | |
212 | .add_interface = cw1200_add_interface, | |
213 | .remove_interface = cw1200_remove_interface, | |
214 | .change_interface = cw1200_change_interface, | |
215 | .tx = cw1200_tx, | |
216 | .hw_scan = cw1200_hw_scan, | |
217 | .set_tim = cw1200_set_tim, | |
218 | .sta_notify = cw1200_sta_notify, | |
219 | .sta_add = cw1200_sta_add, | |
220 | .sta_remove = cw1200_sta_remove, | |
221 | .set_key = cw1200_set_key, | |
222 | .set_rts_threshold = cw1200_set_rts_threshold, | |
223 | .config = cw1200_config, | |
224 | .bss_info_changed = cw1200_bss_info_changed, | |
225 | .prepare_multicast = cw1200_prepare_multicast, | |
226 | .configure_filter = cw1200_configure_filter, | |
227 | .conf_tx = cw1200_conf_tx, | |
228 | .get_stats = cw1200_get_stats, | |
229 | .ampdu_action = cw1200_ampdu_action, | |
230 | .flush = cw1200_flush, | |
4e17b87e | 231 | #ifdef CONFIG_PM |
a910e4a9 SP |
232 | .suspend = cw1200_wow_suspend, |
233 | .resume = cw1200_wow_resume, | |
4e17b87e | 234 | #endif |
a910e4a9 SP |
235 | /* Intentionally not offloaded: */ |
236 | /*.channel_switch = cw1200_channel_switch, */ | |
237 | /*.remain_on_channel = cw1200_remain_on_channel, */ | |
238 | /*.cancel_remain_on_channel = cw1200_cancel_remain_on_channel, */ | |
239 | }; | |
240 | ||
7258416c SP |
241 | static int cw1200_ba_rx_tids = -1; |
242 | static int cw1200_ba_tx_tids = -1; | |
a910e4a9 SP |
243 | module_param(cw1200_ba_rx_tids, int, 0644); |
244 | module_param(cw1200_ba_tx_tids, int, 0644); | |
245 | MODULE_PARM_DESC(cw1200_ba_rx_tids, "Block ACK RX TIDs"); | |
246 | MODULE_PARM_DESC(cw1200_ba_tx_tids, "Block ACK TX TIDs"); | |
247 | ||
51217cee JB |
248 | #ifdef CONFIG_PM |
249 | static const struct wiphy_wowlan_support cw1200_wowlan_support = { | |
250 | /* Support only for limited wowlan functionalities */ | |
251 | .flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT, | |
252 | }; | |
253 | #endif | |
254 | ||
255 | ||
a910e4a9 SP |
256 | static struct ieee80211_hw *cw1200_init_common(const u8 *macaddr, |
257 | const bool have_5ghz) | |
258 | { | |
259 | int i, band; | |
260 | struct ieee80211_hw *hw; | |
261 | struct cw1200_common *priv; | |
262 | ||
263 | hw = ieee80211_alloc_hw(sizeof(struct cw1200_common), &cw1200_ops); | |
264 | if (!hw) | |
265 | return NULL; | |
266 | ||
267 | priv = hw->priv; | |
268 | priv->hw = hw; | |
269 | priv->hw_type = -1; | |
270 | priv->mode = NL80211_IFTYPE_UNSPECIFIED; | |
271 | priv->rates = cw1200_rates; /* TODO: fetch from FW */ | |
272 | priv->mcs_rates = cw1200_n_rates; | |
273 | if (cw1200_ba_rx_tids != -1) | |
274 | priv->ba_rx_tid_mask = cw1200_ba_rx_tids; | |
275 | else | |
276 | priv->ba_rx_tid_mask = 0xFF; /* Enable RX BLKACK for all TIDs */ | |
277 | if (cw1200_ba_tx_tids != -1) | |
278 | priv->ba_tx_tid_mask = cw1200_ba_tx_tids; | |
279 | else | |
280 | priv->ba_tx_tid_mask = 0xff; /* Enable TX BLKACK for all TIDs */ | |
281 | ||
282 | hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
283 | IEEE80211_HW_SUPPORTS_PS | | |
284 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS | | |
285 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | | |
286 | IEEE80211_HW_SUPPORTS_UAPSD | | |
287 | IEEE80211_HW_CONNECTION_MONITOR | | |
288 | IEEE80211_HW_AMPDU_AGGREGATION | | |
289 | IEEE80211_HW_TX_AMPDU_SETUP_IN_HW | | |
290 | IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC; | |
291 | ||
292 | hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
293 | BIT(NL80211_IFTYPE_ADHOC) | | |
294 | BIT(NL80211_IFTYPE_AP) | | |
295 | BIT(NL80211_IFTYPE_MESH_POINT) | | |
296 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
297 | BIT(NL80211_IFTYPE_P2P_GO); | |
298 | ||
4e17b87e | 299 | #ifdef CONFIG_PM |
51217cee | 300 | hw->wiphy->wowlan = &cw1200_wowlan_support; |
4e17b87e | 301 | #endif |
a910e4a9 SP |
302 | |
303 | hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; | |
304 | ||
305 | hw->channel_change_time = 1000; /* TODO: find actual value */ | |
306 | hw->queues = 4; | |
307 | ||
308 | priv->rts_threshold = -1; | |
309 | ||
310 | hw->max_rates = 8; | |
311 | hw->max_rate_tries = 15; | |
312 | hw->extra_tx_headroom = WSM_TX_EXTRA_HEADROOM + | |
313 | 8; /* TKIP IV */ | |
314 | ||
315 | hw->sta_data_size = sizeof(struct cw1200_sta_priv); | |
316 | ||
317 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &cw1200_band_2ghz; | |
318 | if (have_5ghz) | |
319 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &cw1200_band_5ghz; | |
320 | ||
321 | /* Channel params have to be cleared before registering wiphy again */ | |
322 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
323 | struct ieee80211_supported_band *sband = hw->wiphy->bands[band]; | |
324 | if (!sband) | |
325 | continue; | |
326 | for (i = 0; i < sband->n_channels; i++) { | |
327 | sband->channels[i].flags = 0; | |
328 | sband->channels[i].max_antenna_gain = 0; | |
329 | sband->channels[i].max_power = 30; | |
330 | } | |
331 | } | |
332 | ||
333 | hw->wiphy->max_scan_ssids = 2; | |
334 | hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; | |
335 | ||
336 | if (macaddr) | |
337 | SET_IEEE80211_PERM_ADDR(hw, (u8 *)macaddr); | |
338 | else | |
339 | SET_IEEE80211_PERM_ADDR(hw, cw1200_mac_template); | |
340 | ||
341 | /* Fix up mac address if necessary */ | |
342 | if (hw->wiphy->perm_addr[3] == 0 && | |
343 | hw->wiphy->perm_addr[4] == 0 && | |
344 | hw->wiphy->perm_addr[5] == 0) { | |
345 | get_random_bytes(&hw->wiphy->perm_addr[3], 3); | |
346 | } | |
347 | ||
348 | mutex_init(&priv->wsm_cmd_mux); | |
349 | mutex_init(&priv->conf_mutex); | |
350 | priv->workqueue = create_singlethread_workqueue("cw1200_wq"); | |
351 | sema_init(&priv->scan.lock, 1); | |
352 | INIT_WORK(&priv->scan.work, cw1200_scan_work); | |
353 | INIT_DELAYED_WORK(&priv->scan.probe_work, cw1200_probe_work); | |
354 | INIT_DELAYED_WORK(&priv->scan.timeout, cw1200_scan_timeout); | |
355 | INIT_DELAYED_WORK(&priv->clear_recent_scan_work, | |
356 | cw1200_clear_recent_scan_work); | |
357 | INIT_DELAYED_WORK(&priv->join_timeout, cw1200_join_timeout); | |
358 | INIT_WORK(&priv->unjoin_work, cw1200_unjoin_work); | |
359 | INIT_WORK(&priv->join_complete_work, cw1200_join_complete_work); | |
360 | INIT_WORK(&priv->wep_key_work, cw1200_wep_key_work); | |
361 | INIT_WORK(&priv->tx_policy_upload_work, tx_policy_upload_work); | |
362 | spin_lock_init(&priv->event_queue_lock); | |
363 | INIT_LIST_HEAD(&priv->event_queue); | |
364 | INIT_WORK(&priv->event_handler, cw1200_event_handler); | |
365 | INIT_DELAYED_WORK(&priv->bss_loss_work, cw1200_bss_loss_work); | |
366 | INIT_WORK(&priv->bss_params_work, cw1200_bss_params_work); | |
367 | spin_lock_init(&priv->bss_loss_lock); | |
368 | spin_lock_init(&priv->ps_state_lock); | |
369 | INIT_WORK(&priv->set_cts_work, cw1200_set_cts_work); | |
370 | INIT_WORK(&priv->set_tim_work, cw1200_set_tim_work); | |
371 | INIT_WORK(&priv->multicast_start_work, cw1200_multicast_start_work); | |
372 | INIT_WORK(&priv->multicast_stop_work, cw1200_multicast_stop_work); | |
373 | INIT_WORK(&priv->link_id_work, cw1200_link_id_work); | |
374 | INIT_DELAYED_WORK(&priv->link_id_gc_work, cw1200_link_id_gc_work); | |
375 | INIT_WORK(&priv->linkid_reset_work, cw1200_link_id_reset); | |
376 | INIT_WORK(&priv->update_filtering_work, cw1200_update_filtering_work); | |
377 | INIT_WORK(&priv->set_beacon_wakeup_period_work, | |
378 | cw1200_set_beacon_wakeup_period_work); | |
379 | init_timer(&priv->mcast_timeout); | |
380 | priv->mcast_timeout.data = (unsigned long)priv; | |
381 | priv->mcast_timeout.function = cw1200_mcast_timeout; | |
382 | ||
383 | if (cw1200_queue_stats_init(&priv->tx_queue_stats, | |
384 | CW1200_LINK_ID_MAX, | |
385 | cw1200_skb_dtor, | |
386 | priv)) { | |
387 | ieee80211_free_hw(hw); | |
388 | return NULL; | |
389 | } | |
390 | ||
391 | for (i = 0; i < 4; ++i) { | |
392 | if (cw1200_queue_init(&priv->tx_queue[i], | |
393 | &priv->tx_queue_stats, i, 16, | |
394 | cw1200_ttl[i])) { | |
395 | for (; i > 0; i--) | |
396 | cw1200_queue_deinit(&priv->tx_queue[i - 1]); | |
397 | cw1200_queue_stats_deinit(&priv->tx_queue_stats); | |
398 | ieee80211_free_hw(hw); | |
399 | return NULL; | |
400 | } | |
401 | } | |
402 | ||
403 | init_waitqueue_head(&priv->channel_switch_done); | |
404 | init_waitqueue_head(&priv->wsm_cmd_wq); | |
405 | init_waitqueue_head(&priv->wsm_startup_done); | |
406 | init_waitqueue_head(&priv->ps_mode_switch_done); | |
407 | wsm_buf_init(&priv->wsm_cmd_buf); | |
408 | spin_lock_init(&priv->wsm_cmd.lock); | |
409 | priv->wsm_cmd.done = 1; | |
410 | tx_policy_init(priv); | |
411 | ||
412 | return hw; | |
413 | } | |
414 | ||
415 | static int cw1200_register_common(struct ieee80211_hw *dev) | |
416 | { | |
417 | struct cw1200_common *priv = dev->priv; | |
418 | int err; | |
419 | ||
4e17b87e | 420 | #ifdef CONFIG_PM |
a910e4a9 SP |
421 | err = cw1200_pm_init(&priv->pm_state, priv); |
422 | if (err) { | |
423 | pr_err("Cannot init PM. (%d).\n", | |
424 | err); | |
425 | return err; | |
426 | } | |
4e17b87e | 427 | #endif |
a910e4a9 SP |
428 | |
429 | err = ieee80211_register_hw(dev); | |
430 | if (err) { | |
431 | pr_err("Cannot register device (%d).\n", | |
432 | err); | |
4e17b87e | 433 | #ifdef CONFIG_PM |
a910e4a9 | 434 | cw1200_pm_deinit(&priv->pm_state); |
4e17b87e | 435 | #endif |
a910e4a9 SP |
436 | return err; |
437 | } | |
438 | ||
a910e4a9 SP |
439 | cw1200_debug_init(priv); |
440 | ||
441 | pr_info("Registered as '%s'\n", wiphy_name(dev->wiphy)); | |
442 | return 0; | |
443 | } | |
444 | ||
445 | static void cw1200_free_common(struct ieee80211_hw *dev) | |
446 | { | |
447 | ieee80211_free_hw(dev); | |
448 | } | |
449 | ||
450 | static void cw1200_unregister_common(struct ieee80211_hw *dev) | |
451 | { | |
452 | struct cw1200_common *priv = dev->priv; | |
453 | int i; | |
454 | ||
19db5778 | 455 | ieee80211_unregister_hw(dev); |
a910e4a9 SP |
456 | |
457 | del_timer_sync(&priv->mcast_timeout); | |
458 | cw1200_unregister_bh(priv); | |
459 | ||
460 | cw1200_debug_release(priv); | |
461 | ||
462 | mutex_destroy(&priv->conf_mutex); | |
463 | ||
464 | wsm_buf_deinit(&priv->wsm_cmd_buf); | |
465 | ||
466 | destroy_workqueue(priv->workqueue); | |
467 | priv->workqueue = NULL; | |
468 | ||
469 | if (priv->sdd) { | |
470 | release_firmware(priv->sdd); | |
471 | priv->sdd = NULL; | |
472 | } | |
473 | ||
474 | for (i = 0; i < 4; ++i) | |
475 | cw1200_queue_deinit(&priv->tx_queue[i]); | |
476 | ||
477 | cw1200_queue_stats_deinit(&priv->tx_queue_stats); | |
4e17b87e | 478 | #ifdef CONFIG_PM |
a910e4a9 | 479 | cw1200_pm_deinit(&priv->pm_state); |
4e17b87e | 480 | #endif |
a910e4a9 SP |
481 | } |
482 | ||
483 | /* Clock is in KHz */ | |
484 | u32 cw1200_dpll_from_clk(u16 clk_khz) | |
485 | { | |
486 | switch (clk_khz) { | |
487 | case 0x32C8: /* 13000 KHz */ | |
488 | return 0x1D89D241; | |
489 | case 0x3E80: /* 16000 KHz */ | |
490 | return 0x000001E1; | |
491 | case 0x41A0: /* 16800 KHz */ | |
492 | return 0x124931C1; | |
493 | case 0x4B00: /* 19200 KHz */ | |
494 | return 0x00000191; | |
495 | case 0x5DC0: /* 24000 KHz */ | |
496 | return 0x00000141; | |
497 | case 0x6590: /* 26000 KHz */ | |
498 | return 0x0EC4F121; | |
499 | case 0x8340: /* 33600 KHz */ | |
500 | return 0x092490E1; | |
501 | case 0x9600: /* 38400 KHz */ | |
502 | return 0x100010C1; | |
503 | case 0x9C40: /* 40000 KHz */ | |
504 | return 0x000000C1; | |
505 | case 0xBB80: /* 48000 KHz */ | |
506 | return 0x000000A1; | |
507 | case 0xCB20: /* 52000 KHz */ | |
508 | return 0x07627091; | |
509 | default: | |
7f190230 | 510 | pr_err("Unknown Refclk freq (0x%04x), using 26000KHz\n", |
a910e4a9 SP |
511 | clk_khz); |
512 | return 0x0EC4F121; | |
513 | } | |
514 | } | |
515 | ||
911373cc SP |
516 | int cw1200_core_probe(const struct hwbus_ops *hwbus_ops, |
517 | struct hwbus_priv *hwbus, | |
a910e4a9 SP |
518 | struct device *pdev, |
519 | struct cw1200_common **core, | |
520 | int ref_clk, const u8 *macaddr, | |
521 | const char *sdd_path, bool have_5ghz) | |
522 | { | |
523 | int err = -EINVAL; | |
524 | struct ieee80211_hw *dev; | |
525 | struct cw1200_common *priv; | |
526 | struct wsm_operational_mode mode = { | |
527 | .power_mode = cw1200_power_mode, | |
528 | .disable_more_flag_usage = true, | |
529 | }; | |
530 | ||
531 | dev = cw1200_init_common(macaddr, have_5ghz); | |
532 | if (!dev) | |
533 | goto err; | |
534 | ||
535 | priv = dev->priv; | |
536 | priv->hw_refclk = ref_clk; | |
537 | if (cw1200_refclk) | |
538 | priv->hw_refclk = cw1200_refclk; | |
539 | ||
540 | priv->sdd_path = (char *)sdd_path; | |
541 | if (cw1200_sdd_path) | |
542 | priv->sdd_path = cw1200_sdd_path; | |
543 | ||
911373cc SP |
544 | priv->hwbus_ops = hwbus_ops; |
545 | priv->hwbus_priv = hwbus; | |
a910e4a9 SP |
546 | priv->pdev = pdev; |
547 | SET_IEEE80211_DEV(priv->hw, pdev); | |
548 | ||
549 | /* Pass struct cw1200_common back up */ | |
550 | *core = priv; | |
551 | ||
552 | err = cw1200_register_bh(priv); | |
553 | if (err) | |
554 | goto err1; | |
555 | ||
a910e4a9 SP |
556 | err = cw1200_load_firmware(priv); |
557 | if (err) | |
558 | goto err2; | |
559 | ||
560 | if (wait_event_interruptible_timeout(priv->wsm_startup_done, | |
561 | priv->firmware_ready, | |
562 | 3*HZ) <= 0) { | |
563 | /* TODO: Need to find how to reset device | |
564 | in QUEUE mode properly. | |
565 | */ | |
566 | pr_err("Timeout waiting on device startup\n"); | |
567 | err = -ETIMEDOUT; | |
568 | goto err2; | |
569 | } | |
570 | ||
571 | /* Set low-power mode. */ | |
572 | wsm_set_operational_mode(priv, &mode); | |
573 | ||
574 | /* Enable multi-TX confirmation */ | |
575 | wsm_use_multi_tx_conf(priv, true); | |
576 | ||
a910e4a9 SP |
577 | err = cw1200_register_common(dev); |
578 | if (err) | |
579 | goto err2; | |
580 | ||
581 | return err; | |
582 | ||
583 | err2: | |
584 | cw1200_unregister_bh(priv); | |
585 | err1: | |
586 | cw1200_free_common(dev); | |
587 | err: | |
588 | *core = NULL; | |
589 | return err; | |
590 | } | |
591 | EXPORT_SYMBOL_GPL(cw1200_core_probe); | |
592 | ||
593 | void cw1200_core_release(struct cw1200_common *self) | |
594 | { | |
595 | /* Disable device interrupts */ | |
911373cc | 596 | self->hwbus_ops->lock(self->hwbus_priv); |
a910e4a9 | 597 | __cw1200_irq_enable(self, 0); |
911373cc | 598 | self->hwbus_ops->unlock(self->hwbus_priv); |
a910e4a9 SP |
599 | |
600 | /* And then clean up */ | |
601 | cw1200_unregister_common(self->hw); | |
602 | cw1200_free_common(self->hw); | |
603 | return; | |
604 | } | |
605 | EXPORT_SYMBOL_GPL(cw1200_core_release); |