91 struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv)  in ath9k_init_wmi()
93 	struct wmi *wmi;  in ath9k_init_wmi()  local
95 	wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);  in ath9k_init_wmi()
96 	if (!wmi)  in ath9k_init_wmi()
99 	wmi->drv_priv = priv;  in ath9k_init_wmi()
100 	wmi->stopped = false;  in ath9k_init_wmi()
101 	skb_queue_head_init(&wmi->wmi_event_queue);  in ath9k_init_wmi()
102 	spin_lock_init(&wmi->wmi_lock);  in ath9k_init_wmi()
103 	spin_lock_init(&wmi->event_lock);  in ath9k_init_wmi()
104 	mutex_init(&wmi->op_mutex);  in ath9k_init_wmi()
105 	mutex_init(&wmi->multi_write_mutex);  in ath9k_init_wmi()
106 	mutex_init(&wmi->multi_rmw_mutex);  in ath9k_init_wmi()
107 	init_completion(&wmi->cmd_wait);  in ath9k_init_wmi()
108 	INIT_LIST_HEAD(&wmi->pending_tx_events);  in ath9k_init_wmi()
109 	tasklet_init(&wmi->wmi_event_tasklet, ath9k_wmi_event_tasklet,  in ath9k_init_wmi()
110 		     (unsigned long)wmi);  in ath9k_init_wmi()
112 	return wmi;  in ath9k_init_wmi()
117 	struct wmi *wmi = priv->wmi;  in ath9k_deinit_wmi()  local
119 	mutex_lock(&wmi->op_mutex);  in ath9k_deinit_wmi()
120 	wmi->stopped = true;  in ath9k_deinit_wmi()
121 	mutex_unlock(&wmi->op_mutex);  in ath9k_deinit_wmi()
123 	kfree(priv->wmi);  in ath9k_deinit_wmi()
130 	tasklet_kill(&priv->wmi->wmi_event_tasklet);  in ath9k_wmi_event_drain()
131 	spin_lock_irqsave(&priv->wmi->wmi_lock, flags);  in ath9k_wmi_event_drain()
132 	__skb_queue_purge(&priv->wmi->wmi_event_queue);  in ath9k_wmi_event_drain()
133 	spin_unlock_irqrestore(&priv->wmi->wmi_lock, flags);  in ath9k_wmi_event_drain()
138 	struct wmi *wmi = (struct wmi *)data;  in ath9k_wmi_event_tasklet()  local
139 	struct ath9k_htc_priv *priv = wmi->drv_priv;  in ath9k_wmi_event_tasklet()
148 		spin_lock_irqsave(&wmi->wmi_lock, flags);  in ath9k_wmi_event_tasklet()
149 		skb = __skb_dequeue(&wmi->wmi_event_queue);  in ath9k_wmi_event_tasklet()
151 			spin_unlock_irqrestore(&wmi->wmi_lock, flags);  in ath9k_wmi_event_tasklet()
154 		spin_unlock_irqrestore(&wmi->wmi_lock, flags);  in ath9k_wmi_event_tasklet()
166 			ieee80211_queue_work(wmi->drv_priv->hw,  in ath9k_wmi_event_tasklet()
167 					     &wmi->drv_priv->fatal_work);  in ath9k_wmi_event_tasklet()
197 static void ath9k_wmi_rsp_callback(struct wmi *wmi, struct sk_buff *skb)  in ath9k_wmi_rsp_callback()  argument
201 	if (wmi->cmd_rsp_buf != NULL && wmi->cmd_rsp_len != 0)  in ath9k_wmi_rsp_callback()
202 		memcpy(wmi->cmd_rsp_buf, skb->data, wmi->cmd_rsp_len);  in ath9k_wmi_rsp_callback()
204 	complete(&wmi->cmd_wait);  in ath9k_wmi_rsp_callback()
210 	struct wmi *wmi = (struct wmi *) priv;  in ath9k_wmi_ctrl_rx()  local
214 	if (unlikely(wmi->stopped))  in ath9k_wmi_ctrl_rx()
221 		spin_lock(&wmi->wmi_lock);  in ath9k_wmi_ctrl_rx()
222 		__skb_queue_tail(&wmi->wmi_event_queue, skb);  in ath9k_wmi_ctrl_rx()
223 		spin_unlock(&wmi->wmi_lock);  in ath9k_wmi_ctrl_rx()
224 		tasklet_schedule(&wmi->wmi_event_tasklet);  in ath9k_wmi_ctrl_rx()
229 	spin_lock(&wmi->wmi_lock);  in ath9k_wmi_ctrl_rx()
230 	if (be16_to_cpu(hdr->seq_no) != wmi->last_seq_id) {  in ath9k_wmi_ctrl_rx()
231 		spin_unlock(&wmi->wmi_lock);  in ath9k_wmi_ctrl_rx()
234 	spin_unlock(&wmi->wmi_lock);  in ath9k_wmi_ctrl_rx()
237 	ath9k_wmi_rsp_callback(wmi, skb);  in ath9k_wmi_ctrl_rx()
249 int ath9k_wmi_connect(struct htc_target *htc, struct wmi *wmi,  in ath9k_wmi_connect()  argument
255 	wmi->htc = htc;  in ath9k_wmi_connect()
259 	connect.ep_callbacks.priv = wmi;  in ath9k_wmi_connect()
264 	ret = htc_connect_service(htc, &connect, &wmi->ctrl_epid);  in ath9k_wmi_connect()
268 	*wmi_ctrl_epid = wmi->ctrl_epid;  in ath9k_wmi_connect()
273 static int ath9k_wmi_cmd_issue(struct wmi *wmi,  in ath9k_wmi_cmd_issue()  argument
282 	hdr->seq_no = cpu_to_be16(++wmi->tx_seq_id);  in ath9k_wmi_cmd_issue()
284 	spin_lock_irqsave(&wmi->wmi_lock, flags);  in ath9k_wmi_cmd_issue()
285 	wmi->last_seq_id = wmi->tx_seq_id;  in ath9k_wmi_cmd_issue()
286 	spin_unlock_irqrestore(&wmi->wmi_lock, flags);  in ath9k_wmi_cmd_issue()
288 	return htc_send_epid(wmi->htc, skb, wmi->ctrl_epid);  in ath9k_wmi_cmd_issue()
291 int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,  in ath9k_wmi_cmd()  argument
296 	struct ath_hw *ah = wmi->drv_priv->ah;  in ath9k_wmi_cmd()
319 	mutex_lock(&wmi->op_mutex);  in ath9k_wmi_cmd()
322 	if (unlikely(wmi->stopped)) {  in ath9k_wmi_cmd()
328 	wmi->cmd_rsp_buf = rsp_buf;  in ath9k_wmi_cmd()
329 	wmi->cmd_rsp_len = rsp_len;  in ath9k_wmi_cmd()
331 	ret = ath9k_wmi_cmd_issue(wmi, skb, cmd_id, cmd_len);  in ath9k_wmi_cmd()
335 	time_left = wait_for_completion_timeout(&wmi->cmd_wait, timeout);  in ath9k_wmi_cmd()
339 		mutex_unlock(&wmi->op_mutex);  in ath9k_wmi_cmd()
343 	mutex_unlock(&wmi->op_mutex);  in ath9k_wmi_cmd()
349 	mutex_unlock(&wmi->op_mutex);  in ath9k_wmi_cmd()