Commit | Line | Data |
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45eaa78f KV |
1 | /* |
2 | * Copyright (c) 2004-2011 Atheros Communications Inc. | |
1b2df407 | 3 | * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. |
45eaa78f KV |
4 | * |
5 | * Permission to use, copy, modify, and/or distribute this software for any | |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
16 | */ | |
17 | ||
18 | #include "core.h" | |
19 | ||
d6a434d6 | 20 | #include <linux/module.h> |
45eaa78f | 21 | #include <linux/moduleparam.h> |
d6a434d6 | 22 | #include <linux/export.h> |
8437754c | 23 | #include <linux/vmalloc.h> |
45eaa78f KV |
24 | |
25 | #include "debug.h" | |
26 | #include "hif-ops.h" | |
e76ac2bf | 27 | #include "htc-ops.h" |
45eaa78f KV |
28 | #include "cfg80211.h" |
29 | ||
30 | unsigned int debug_mask; | |
e390af77 | 31 | static unsigned int suspend_mode; |
1e9a905d | 32 | static unsigned int wow_mode; |
45eaa78f KV |
33 | static unsigned int uart_debug; |
34 | static unsigned int ath6kl_p2p; | |
5f1127ff | 35 | static unsigned int testmode; |
66ddcc39 | 36 | static unsigned int recovery_enable; |
92332993 | 37 | static unsigned int heart_beat_poll; |
45eaa78f KV |
38 | |
39 | module_param(debug_mask, uint, 0644); | |
e390af77 | 40 | module_param(suspend_mode, uint, 0644); |
1e9a905d | 41 | module_param(wow_mode, uint, 0644); |
45eaa78f KV |
42 | module_param(uart_debug, uint, 0644); |
43 | module_param(ath6kl_p2p, uint, 0644); | |
5f1127ff | 44 | module_param(testmode, uint, 0644); |
66ddcc39 | 45 | module_param(recovery_enable, uint, 0644); |
92332993 | 46 | module_param(heart_beat_poll, uint, 0644); |
66ddcc39 | 47 | MODULE_PARM_DESC(recovery_enable, "Enable recovery from firmware error"); |
996bc932 KV |
48 | MODULE_PARM_DESC(heart_beat_poll, |
49 | "Enable fw error detection periodic polling in msecs - Also set recovery_enable for this to be effective"); | |
50 | ||
45eaa78f | 51 | |
636f8288 KV |
52 | void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb) |
53 | { | |
54 | ath6kl_htc_tx_complete(ar, skb); | |
55 | } | |
56 | EXPORT_SYMBOL(ath6kl_core_tx_complete); | |
57 | ||
58 | void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe) | |
59 | { | |
60 | ath6kl_htc_rx_complete(ar, skb, pipe); | |
61 | } | |
62 | EXPORT_SYMBOL(ath6kl_core_rx_complete); | |
63 | ||
e76ac2bf | 64 | int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type) |
45eaa78f KV |
65 | { |
66 | struct ath6kl_bmi_target_info targ_info; | |
84efbb84 | 67 | struct wireless_dev *wdev; |
45eaa78f KV |
68 | int ret = 0, i; |
69 | ||
e76ac2bf KV |
70 | switch (htc_type) { |
71 | case ATH6KL_HTC_TYPE_MBOX: | |
72 | ath6kl_htc_mbox_attach(ar); | |
73 | break; | |
636f8288 KV |
74 | case ATH6KL_HTC_TYPE_PIPE: |
75 | ath6kl_htc_pipe_attach(ar); | |
76 | break; | |
e76ac2bf KV |
77 | default: |
78 | WARN_ON(1); | |
79 | return -ENOMEM; | |
80 | } | |
81 | ||
45eaa78f KV |
82 | ar->ath6kl_wq = create_singlethread_workqueue("ath6kl"); |
83 | if (!ar->ath6kl_wq) | |
84 | return -ENOMEM; | |
85 | ||
86 | ret = ath6kl_bmi_init(ar); | |
87 | if (ret) | |
88 | goto err_wq; | |
89 | ||
90 | /* | |
91 | * Turn on power to get hardware (target) version and leave power | |
92 | * on delibrately as we will boot the hardware anyway within few | |
93 | * seconds. | |
94 | */ | |
95 | ret = ath6kl_hif_power_on(ar); | |
96 | if (ret) | |
97 | goto err_bmi_cleanup; | |
98 | ||
99 | ret = ath6kl_bmi_get_target_info(ar, &targ_info); | |
100 | if (ret) | |
101 | goto err_power_off; | |
102 | ||
103 | ar->version.target_ver = le32_to_cpu(targ_info.version); | |
104 | ar->target_type = le32_to_cpu(targ_info.type); | |
105 | ar->wiphy->hw_version = le32_to_cpu(targ_info.version); | |
106 | ||
107 | ret = ath6kl_init_hw_params(ar); | |
108 | if (ret) | |
109 | goto err_power_off; | |
110 | ||
111 | ar->htc_target = ath6kl_htc_create(ar); | |
112 | ||
113 | if (!ar->htc_target) { | |
114 | ret = -ENOMEM; | |
115 | goto err_power_off; | |
116 | } | |
117 | ||
5f1127ff KV |
118 | ar->testmode = testmode; |
119 | ||
45eaa78f KV |
120 | ret = ath6kl_init_fetch_firmwares(ar); |
121 | if (ret) | |
122 | goto err_htc_cleanup; | |
123 | ||
124 | /* FIXME: we should free all firmwares in the error cases below */ | |
125 | ||
eba95bce KV |
126 | /* |
127 | * Backwards compatibility support for older ar6004 firmware images | |
128 | * which do not set these feature flags. | |
129 | */ | |
130 | if (ar->target_type == TARGET_TYPE_AR6004 && | |
131 | ar->fw_api <= 4) { | |
132 | __set_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES, | |
133 | ar->fw_capabilities); | |
134 | __set_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS, | |
135 | ar->fw_capabilities); | |
136 | ||
137 | if (ar->hw.id == AR6004_HW_1_3_VERSION) | |
138 | __set_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, | |
139 | ar->fw_capabilities); | |
140 | } | |
141 | ||
45eaa78f KV |
142 | /* Indicate that WMI is enabled (although not ready yet) */ |
143 | set_bit(WMI_ENABLED, &ar->flag); | |
144 | ar->wmi = ath6kl_wmi_init(ar); | |
145 | if (!ar->wmi) { | |
146 | ath6kl_err("failed to initialize wmi\n"); | |
147 | ret = -EIO; | |
148 | goto err_htc_cleanup; | |
149 | } | |
150 | ||
151 | ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi); | |
152 | ||
45eaa78f KV |
153 | /* setup access class priority mappings */ |
154 | ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */ | |
155 | ar->ac_stream_pri_map[WMM_AC_BE] = 1; | |
156 | ar->ac_stream_pri_map[WMM_AC_VI] = 2; | |
157 | ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */ | |
158 | ||
45eaa78f KV |
159 | /* allocate some buffers that handle larger AMSDU frames */ |
160 | ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS); | |
161 | ||
162 | ath6kl_cookie_init(ar); | |
163 | ||
164 | ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER | | |
165 | ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST; | |
166 | ||
e390af77 | 167 | if (suspend_mode && |
96f1fadc KV |
168 | suspend_mode >= WLAN_POWER_STATE_CUT_PWR && |
169 | suspend_mode <= WLAN_POWER_STATE_WOW) | |
e390af77 RM |
170 | ar->suspend_mode = suspend_mode; |
171 | else | |
172 | ar->suspend_mode = 0; | |
45eaa78f | 173 | |
1e9a905d RM |
174 | if (suspend_mode == WLAN_POWER_STATE_WOW && |
175 | (wow_mode == WLAN_POWER_STATE_CUT_PWR || | |
176 | wow_mode == WLAN_POWER_STATE_DEEP_SLEEP)) | |
177 | ar->wow_suspend_mode = wow_mode; | |
178 | else | |
179 | ar->wow_suspend_mode = 0; | |
180 | ||
45eaa78f KV |
181 | if (uart_debug) |
182 | ar->conf_flags |= ATH6KL_CONF_UART_DEBUG; | |
183 | ||
45eaa78f KV |
184 | set_bit(FIRST_BOOT, &ar->flag); |
185 | ||
068a4633 VT |
186 | ath6kl_debug_init(ar); |
187 | ||
45eaa78f KV |
188 | ret = ath6kl_init_hw_start(ar); |
189 | if (ret) { | |
190 | ath6kl_err("Failed to start hardware: %d\n", ret); | |
191 | goto err_rxbuf_cleanup; | |
192 | } | |
193 | ||
bd5b5ac2 VT |
194 | /* give our connected endpoints some buffers */ |
195 | ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep); | |
196 | ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]); | |
197 | ||
b796f093 VT |
198 | ret = ath6kl_cfg80211_init(ar); |
199 | if (ret) | |
200 | goto err_rxbuf_cleanup; | |
45eaa78f | 201 | |
068a4633 | 202 | ret = ath6kl_debug_init_fs(ar); |
b796f093 VT |
203 | if (ret) { |
204 | wiphy_unregister(ar->wiphy); | |
205 | goto err_rxbuf_cleanup; | |
206 | } | |
207 | ||
208 | for (i = 0; i < ar->vif_max; i++) | |
209 | ar->avail_idx_map |= BIT(i); | |
45eaa78f | 210 | |
45eaa78f | 211 | rtnl_lock(); |
b796f093 VT |
212 | |
213 | /* Add an initial station interface */ | |
84efbb84 | 214 | wdev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0, |
b796f093 VT |
215 | INFRA_NETWORK); |
216 | ||
45eaa78f | 217 | rtnl_unlock(); |
b796f093 | 218 | |
84efbb84 | 219 | if (!wdev) { |
b796f093 VT |
220 | ath6kl_err("Failed to instantiate a network device\n"); |
221 | ret = -ENOMEM; | |
222 | wiphy_unregister(ar->wiphy); | |
068a4633 | 223 | goto err_rxbuf_cleanup; |
b796f093 VT |
224 | } |
225 | ||
226 | ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n", | |
84efbb84 | 227 | __func__, wdev->netdev->name, wdev->netdev, ar); |
b796f093 | 228 | |
66ddcc39 VT |
229 | ar->fw_recovery.enable = !!recovery_enable; |
230 | if (!ar->fw_recovery.enable) | |
231 | return ret; | |
232 | ||
92332993 VT |
233 | if (heart_beat_poll && |
234 | test_bit(ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL, | |
235 | ar->fw_capabilities)) | |
236 | ar->fw_recovery.hb_poll = heart_beat_poll; | |
237 | ||
84caf800 VT |
238 | ath6kl_recovery_init(ar); |
239 | ||
b796f093 VT |
240 | return ret; |
241 | ||
b796f093 | 242 | err_rxbuf_cleanup: |
068a4633 | 243 | ath6kl_debug_cleanup(ar); |
b796f093 VT |
244 | ath6kl_htc_flush_rx_buf(ar->htc_target); |
245 | ath6kl_cleanup_amsdu_rxbufs(ar); | |
45eaa78f KV |
246 | ath6kl_wmi_shutdown(ar->wmi); |
247 | clear_bit(WMI_ENABLED, &ar->flag); | |
248 | ar->wmi = NULL; | |
249 | err_htc_cleanup: | |
250 | ath6kl_htc_cleanup(ar->htc_target); | |
251 | err_power_off: | |
252 | ath6kl_hif_power_off(ar); | |
253 | err_bmi_cleanup: | |
254 | ath6kl_bmi_cleanup(ar); | |
255 | err_wq: | |
256 | destroy_workqueue(ar->ath6kl_wq); | |
257 | ||
258 | return ret; | |
259 | } | |
d6a434d6 | 260 | EXPORT_SYMBOL(ath6kl_core_init); |
45eaa78f KV |
261 | |
262 | struct ath6kl *ath6kl_core_create(struct device *dev) | |
263 | { | |
264 | struct ath6kl *ar; | |
265 | u8 ctr; | |
266 | ||
267 | ar = ath6kl_cfg80211_create(); | |
268 | if (!ar) | |
269 | return NULL; | |
270 | ||
271 | ar->p2p = !!ath6kl_p2p; | |
272 | ar->dev = dev; | |
273 | ||
274 | ar->vif_max = 1; | |
275 | ||
276 | ar->max_norm_iface = 1; | |
277 | ||
278 | spin_lock_init(&ar->lock); | |
279 | spin_lock_init(&ar->mcastpsq_lock); | |
280 | spin_lock_init(&ar->list_lock); | |
281 | ||
282 | init_waitqueue_head(&ar->event_wq); | |
283 | sema_init(&ar->sem, 1); | |
284 | ||
285 | INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue); | |
286 | INIT_LIST_HEAD(&ar->vif_list); | |
287 | ||
288 | clear_bit(WMI_ENABLED, &ar->flag); | |
289 | clear_bit(SKIP_SCAN, &ar->flag); | |
290 | clear_bit(DESTROY_IN_PROGRESS, &ar->flag); | |
291 | ||
45eaa78f | 292 | ar->tx_pwr = 0; |
45eaa78f KV |
293 | ar->intra_bss = 1; |
294 | ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD; | |
295 | ||
296 | ar->state = ATH6KL_STATE_OFF; | |
297 | ||
298 | memset((u8 *)ar->sta_list, 0, | |
299 | AP_MAX_NUM_STA * sizeof(struct ath6kl_sta)); | |
300 | ||
301 | /* Init the PS queues */ | |
302 | for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { | |
303 | spin_lock_init(&ar->sta_list[ctr].psq_lock); | |
304 | skb_queue_head_init(&ar->sta_list[ctr].psq); | |
305 | skb_queue_head_init(&ar->sta_list[ctr].apsdq); | |
d0ff7383 NG |
306 | ar->sta_list[ctr].mgmt_psq_len = 0; |
307 | INIT_LIST_HEAD(&ar->sta_list[ctr].mgmt_psq); | |
1d2a4456 VT |
308 | ar->sta_list[ctr].aggr_conn = |
309 | kzalloc(sizeof(struct aggr_info_conn), GFP_KERNEL); | |
310 | if (!ar->sta_list[ctr].aggr_conn) { | |
311 | ath6kl_err("Failed to allocate memory for sta aggregation information\n"); | |
312 | ath6kl_core_destroy(ar); | |
313 | return NULL; | |
314 | } | |
45eaa78f KV |
315 | } |
316 | ||
317 | skb_queue_head_init(&ar->mcastpsq); | |
318 | ||
319 | memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3); | |
320 | ||
321 | return ar; | |
322 | } | |
d6a434d6 | 323 | EXPORT_SYMBOL(ath6kl_core_create); |
45eaa78f KV |
324 | |
325 | void ath6kl_core_cleanup(struct ath6kl *ar) | |
326 | { | |
327 | ath6kl_hif_power_off(ar); | |
328 | ||
84caf800 VT |
329 | ath6kl_recovery_cleanup(ar); |
330 | ||
45eaa78f KV |
331 | destroy_workqueue(ar->ath6kl_wq); |
332 | ||
333 | if (ar->htc_target) | |
334 | ath6kl_htc_cleanup(ar->htc_target); | |
335 | ||
336 | ath6kl_cookie_cleanup(ar); | |
337 | ||
338 | ath6kl_cleanup_amsdu_rxbufs(ar); | |
339 | ||
340 | ath6kl_bmi_cleanup(ar); | |
341 | ||
342 | ath6kl_debug_cleanup(ar); | |
343 | ||
344 | kfree(ar->fw_board); | |
345 | kfree(ar->fw_otp); | |
8437754c | 346 | vfree(ar->fw); |
45eaa78f KV |
347 | kfree(ar->fw_patch); |
348 | kfree(ar->fw_testscript); | |
349 | ||
350 | ath6kl_cfg80211_cleanup(ar); | |
351 | } | |
d6a434d6 | 352 | EXPORT_SYMBOL(ath6kl_core_cleanup); |
45eaa78f KV |
353 | |
354 | void ath6kl_core_destroy(struct ath6kl *ar) | |
355 | { | |
356 | ath6kl_cfg80211_destroy(ar); | |
357 | } | |
d6a434d6 | 358 | EXPORT_SYMBOL(ath6kl_core_destroy); |
45eaa78f | 359 | |
d6a434d6 KV |
360 | MODULE_AUTHOR("Qualcomm Atheros"); |
361 | MODULE_DESCRIPTION("Core module for AR600x SDIO and USB devices."); | |
362 | MODULE_LICENSE("Dual BSD/GPL"); |