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18#include "core.h"
19
20#include <linux/module.h>
21#include <linux/moduleparam.h>
22#include <linux/export.h>
23#include <linux/vmalloc.h>
24
25#include "debug.h"
26#include "hif-ops.h"
27#include "htc-ops.h"
28#include "cfg80211.h"
29
30unsigned int debug_mask;
31static unsigned int suspend_mode;
32static unsigned int wow_mode;
33static unsigned int uart_debug;
34static unsigned int ath6kl_p2p;
35static unsigned int testmode;
36static unsigned int recovery_enable;
37static unsigned int heart_beat_poll;
38
39module_param(debug_mask, uint, 0644);
40module_param(suspend_mode, uint, 0644);
41module_param(wow_mode, uint, 0644);
42module_param(uart_debug, uint, 0644);
43module_param(ath6kl_p2p, uint, 0644);
44module_param(testmode, uint, 0644);
45module_param(recovery_enable, uint, 0644);
46module_param(heart_beat_poll, uint, 0644);
47MODULE_PARM_DESC(recovery_enable, "Enable recovery from firmware error");
48MODULE_PARM_DESC(heart_beat_poll,
49 "Enable fw error detection periodic polling in msecs - Also set recovery_enable for this to be effective");
50
51
52void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb)
53{
54 ath6kl_htc_tx_complete(ar, skb);
55}
56EXPORT_SYMBOL(ath6kl_core_tx_complete);
57
58void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe)
59{
60 ath6kl_htc_rx_complete(ar, skb, pipe);
61}
62EXPORT_SYMBOL(ath6kl_core_rx_complete);
63
64int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
65{
66 struct ath6kl_bmi_target_info targ_info;
67 struct wireless_dev *wdev;
68 int ret = 0, i;
69
70 switch (htc_type) {
71 case ATH6KL_HTC_TYPE_MBOX:
72 ath6kl_htc_mbox_attach(ar);
73 break;
74 case ATH6KL_HTC_TYPE_PIPE:
75 ath6kl_htc_pipe_attach(ar);
76 break;
77 default:
78 WARN_ON(1);
79 return -ENOMEM;
80 }
81
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
92
93
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
118 ar->testmode = testmode;
119
120 ret = ath6kl_init_fetch_firmwares(ar);
121 if (ret)
122 goto err_htc_cleanup;
123
124
125
126
127
128
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
142
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
153
154 ar->ac_stream_pri_map[WMM_AC_BK] = 0;
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;
158
159
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
167 if (suspend_mode &&
168 suspend_mode >= WLAN_POWER_STATE_CUT_PWR &&
169 suspend_mode <= WLAN_POWER_STATE_WOW)
170 ar->suspend_mode = suspend_mode;
171 else
172 ar->suspend_mode = 0;
173
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
181 if (uart_debug)
182 ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;
183
184 set_bit(FIRST_BOOT, &ar->flag);
185
186 ath6kl_debug_init(ar);
187
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
194
195 ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
196 ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
197
198 ret = ath6kl_cfg80211_init(ar);
199 if (ret)
200 goto err_rxbuf_cleanup;
201
202 ret = ath6kl_debug_init_fs(ar);
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);
210
211 rtnl_lock();
212
213
214 wdev = ath6kl_interface_add(ar, "wlan%d", NET_NAME_ENUM,
215 NL80211_IFTYPE_STATION, 0, INFRA_NETWORK);
216
217 rtnl_unlock();
218
219 if (!wdev) {
220 ath6kl_err("Failed to instantiate a network device\n");
221 ret = -ENOMEM;
222 wiphy_unregister(ar->wiphy);
223 goto err_rxbuf_cleanup;
224 }
225
226 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
227 __func__, wdev->netdev->name, wdev->netdev, ar);
228
229 ar->fw_recovery.enable = !!recovery_enable;
230 if (!ar->fw_recovery.enable)
231 return ret;
232
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
238 ath6kl_recovery_init(ar);
239
240 return ret;
241
242err_rxbuf_cleanup:
243 ath6kl_debug_cleanup(ar);
244 ath6kl_htc_flush_rx_buf(ar->htc_target);
245 ath6kl_cleanup_amsdu_rxbufs(ar);
246 ath6kl_wmi_shutdown(ar->wmi);
247 clear_bit(WMI_ENABLED, &ar->flag);
248 ar->wmi = NULL;
249err_htc_cleanup:
250 ath6kl_htc_cleanup(ar->htc_target);
251err_power_off:
252 ath6kl_hif_power_off(ar);
253err_bmi_cleanup:
254 ath6kl_bmi_cleanup(ar);
255err_wq:
256 destroy_workqueue(ar->ath6kl_wq);
257
258 return ret;
259}
260EXPORT_SYMBOL(ath6kl_core_init);
261
262struct 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
292 ar->tx_pwr = 0;
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
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);
306 ar->sta_list[ctr].mgmt_psq_len = 0;
307 INIT_LIST_HEAD(&ar->sta_list[ctr].mgmt_psq);
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 }
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}
323EXPORT_SYMBOL(ath6kl_core_create);
324
325void ath6kl_core_cleanup(struct ath6kl *ar)
326{
327 ath6kl_hif_power_off(ar);
328
329 ath6kl_recovery_cleanup(ar);
330
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);
346 vfree(ar->fw);
347 kfree(ar->fw_patch);
348 kfree(ar->fw_testscript);
349
350 ath6kl_cfg80211_cleanup(ar);
351}
352EXPORT_SYMBOL(ath6kl_core_cleanup);
353
354void ath6kl_core_destroy(struct ath6kl *ar)
355{
356 ath6kl_cfg80211_destroy(ar);
357}
358EXPORT_SYMBOL(ath6kl_core_destroy);
359
360MODULE_AUTHOR("Qualcomm Atheros");
361MODULE_DESCRIPTION("Core module for AR600x SDIO and USB devices.");
362MODULE_LICENSE("Dual BSD/GPL");
363
