2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
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.
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.
20 #include <linux/module.h>
21 #include <linux/moduleparam.h>
22 #include <linux/export.h>
23 #include <linux/vmalloc.h>
30 unsigned int debug_mask;
31 static unsigned int suspend_mode;
32 static unsigned int wow_mode;
33 static unsigned int uart_debug;
34 static unsigned int ath6kl_p2p;
35 static unsigned int testmode;
37 module_param(debug_mask, uint, 0644);
38 module_param(suspend_mode, uint, 0644);
39 module_param(wow_mode, uint, 0644);
40 module_param(uart_debug, uint, 0644);
41 module_param(ath6kl_p2p, uint, 0644);
42 module_param(testmode, uint, 0644);
44 void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb)
46 ath6kl_htc_tx_complete(ar, skb);
48 EXPORT_SYMBOL(ath6kl_core_tx_complete);
50 void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe)
52 ath6kl_htc_rx_complete(ar, skb, pipe);
54 EXPORT_SYMBOL(ath6kl_core_rx_complete);
56 int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
58 struct ath6kl_bmi_target_info targ_info;
59 struct wireless_dev *wdev;
63 case ATH6KL_HTC_TYPE_MBOX:
64 ath6kl_htc_mbox_attach(ar);
66 case ATH6KL_HTC_TYPE_PIPE:
67 ath6kl_htc_pipe_attach(ar);
74 ar->ath6kl_wq = create_singlethread_workqueue("ath6kl");
78 ret = ath6kl_bmi_init(ar);
83 * Turn on power to get hardware (target) version and leave power
84 * on delibrately as we will boot the hardware anyway within few
87 ret = ath6kl_hif_power_on(ar);
91 ret = ath6kl_bmi_get_target_info(ar, &targ_info);
95 ar->version.target_ver = le32_to_cpu(targ_info.version);
96 ar->target_type = le32_to_cpu(targ_info.type);
97 ar->wiphy->hw_version = le32_to_cpu(targ_info.version);
99 ret = ath6kl_init_hw_params(ar);
103 ar->htc_target = ath6kl_htc_create(ar);
105 if (!ar->htc_target) {
110 ar->testmode = testmode;
112 ret = ath6kl_init_fetch_firmwares(ar);
114 goto err_htc_cleanup;
116 /* FIXME: we should free all firmwares in the error cases below */
118 /* Indicate that WMI is enabled (although not ready yet) */
119 set_bit(WMI_ENABLED, &ar->flag);
120 ar->wmi = ath6kl_wmi_init(ar);
122 ath6kl_err("failed to initialize wmi\n");
124 goto err_htc_cleanup;
127 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);
129 /* setup access class priority mappings */
130 ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */
131 ar->ac_stream_pri_map[WMM_AC_BE] = 1;
132 ar->ac_stream_pri_map[WMM_AC_VI] = 2;
133 ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */
135 /* allocate some buffers that handle larger AMSDU frames */
136 ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);
138 ath6kl_cookie_init(ar);
140 ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
141 ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;
144 suspend_mode >= WLAN_POWER_STATE_CUT_PWR &&
145 suspend_mode <= WLAN_POWER_STATE_WOW)
146 ar->suspend_mode = suspend_mode;
148 ar->suspend_mode = 0;
150 if (suspend_mode == WLAN_POWER_STATE_WOW &&
151 (wow_mode == WLAN_POWER_STATE_CUT_PWR ||
152 wow_mode == WLAN_POWER_STATE_DEEP_SLEEP))
153 ar->wow_suspend_mode = wow_mode;
155 ar->wow_suspend_mode = 0;
158 ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;
160 set_bit(FIRST_BOOT, &ar->flag);
162 ath6kl_debug_init(ar);
164 ret = ath6kl_init_hw_start(ar);
166 ath6kl_err("Failed to start hardware: %d\n", ret);
167 goto err_rxbuf_cleanup;
170 /* give our connected endpoints some buffers */
171 ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
172 ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
174 ret = ath6kl_cfg80211_init(ar);
176 goto err_rxbuf_cleanup;
178 ret = ath6kl_debug_init_fs(ar);
180 wiphy_unregister(ar->wiphy);
181 goto err_rxbuf_cleanup;
184 for (i = 0; i < ar->vif_max; i++)
185 ar->avail_idx_map |= BIT(i);
189 /* Add an initial station interface */
190 wdev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
196 ath6kl_err("Failed to instantiate a network device\n");
198 wiphy_unregister(ar->wiphy);
199 goto err_rxbuf_cleanup;
202 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
203 __func__, wdev->netdev->name, wdev->netdev, ar);
208 ath6kl_debug_cleanup(ar);
209 ath6kl_htc_flush_rx_buf(ar->htc_target);
210 ath6kl_cleanup_amsdu_rxbufs(ar);
211 ath6kl_wmi_shutdown(ar->wmi);
212 clear_bit(WMI_ENABLED, &ar->flag);
215 ath6kl_htc_cleanup(ar->htc_target);
217 ath6kl_hif_power_off(ar);
219 ath6kl_bmi_cleanup(ar);
221 destroy_workqueue(ar->ath6kl_wq);
225 EXPORT_SYMBOL(ath6kl_core_init);
227 struct ath6kl *ath6kl_core_create(struct device *dev)
232 ar = ath6kl_cfg80211_create();
236 ar->p2p = !!ath6kl_p2p;
241 ar->max_norm_iface = 1;
243 spin_lock_init(&ar->lock);
244 spin_lock_init(&ar->mcastpsq_lock);
245 spin_lock_init(&ar->list_lock);
247 init_waitqueue_head(&ar->event_wq);
248 sema_init(&ar->sem, 1);
250 INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue);
251 INIT_LIST_HEAD(&ar->vif_list);
253 clear_bit(WMI_ENABLED, &ar->flag);
254 clear_bit(SKIP_SCAN, &ar->flag);
255 clear_bit(DESTROY_IN_PROGRESS, &ar->flag);
259 ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD;
261 ar->state = ATH6KL_STATE_OFF;
263 memset((u8 *)ar->sta_list, 0,
264 AP_MAX_NUM_STA * sizeof(struct ath6kl_sta));
266 /* Init the PS queues */
267 for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) {
268 spin_lock_init(&ar->sta_list[ctr].psq_lock);
269 skb_queue_head_init(&ar->sta_list[ctr].psq);
270 skb_queue_head_init(&ar->sta_list[ctr].apsdq);
271 ar->sta_list[ctr].mgmt_psq_len = 0;
272 INIT_LIST_HEAD(&ar->sta_list[ctr].mgmt_psq);
273 ar->sta_list[ctr].aggr_conn =
274 kzalloc(sizeof(struct aggr_info_conn), GFP_KERNEL);
275 if (!ar->sta_list[ctr].aggr_conn) {
276 ath6kl_err("Failed to allocate memory for sta aggregation information\n");
277 ath6kl_core_destroy(ar);
282 skb_queue_head_init(&ar->mcastpsq);
284 memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3);
288 EXPORT_SYMBOL(ath6kl_core_create);
290 void ath6kl_core_cleanup(struct ath6kl *ar)
292 ath6kl_hif_power_off(ar);
294 destroy_workqueue(ar->ath6kl_wq);
297 ath6kl_htc_cleanup(ar->htc_target);
299 ath6kl_cookie_cleanup(ar);
301 ath6kl_cleanup_amsdu_rxbufs(ar);
303 ath6kl_bmi_cleanup(ar);
305 ath6kl_debug_cleanup(ar);
311 kfree(ar->fw_testscript);
313 ath6kl_cfg80211_cleanup(ar);
315 EXPORT_SYMBOL(ath6kl_core_cleanup);
317 void ath6kl_core_destroy(struct ath6kl *ar)
319 ath6kl_cfg80211_destroy(ar);
321 EXPORT_SYMBOL(ath6kl_core_destroy);
323 MODULE_AUTHOR("Qualcomm Atheros");
324 MODULE_DESCRIPTION("Core module for AR600x SDIO and USB devices.");
325 MODULE_LICENSE("Dual BSD/GPL");