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>
28 unsigned int debug_mask;
29 static unsigned int suspend_mode;
30 static unsigned int uart_debug;
31 static unsigned int ath6kl_p2p;
32 static unsigned int testmode;
34 module_param(debug_mask, uint, 0644);
35 module_param(suspend_mode, uint, 0644);
36 module_param(uart_debug, uint, 0644);
37 module_param(ath6kl_p2p, uint, 0644);
38 module_param(testmode, uint, 0644);
40 int ath6kl_core_init(struct ath6kl *ar)
42 struct ath6kl_bmi_target_info targ_info;
43 struct net_device *ndev;
46 ar->ath6kl_wq = create_singlethread_workqueue("ath6kl");
50 ret = ath6kl_bmi_init(ar);
55 * Turn on power to get hardware (target) version and leave power
56 * on delibrately as we will boot the hardware anyway within few
59 ret = ath6kl_hif_power_on(ar);
63 ret = ath6kl_bmi_get_target_info(ar, &targ_info);
67 ar->version.target_ver = le32_to_cpu(targ_info.version);
68 ar->target_type = le32_to_cpu(targ_info.type);
69 ar->wiphy->hw_version = le32_to_cpu(targ_info.version);
71 ret = ath6kl_init_hw_params(ar);
75 ar->htc_target = ath6kl_htc_create(ar);
77 if (!ar->htc_target) {
82 ar->testmode = testmode;
84 ret = ath6kl_init_fetch_firmwares(ar);
88 /* FIXME: we should free all firmwares in the error cases below */
90 /* Indicate that WMI is enabled (although not ready yet) */
91 set_bit(WMI_ENABLED, &ar->flag);
92 ar->wmi = ath6kl_wmi_init(ar);
94 ath6kl_err("failed to initialize wmi\n");
99 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);
101 ret = ath6kl_cfg80211_init(ar);
103 goto err_node_cleanup;
105 ret = ath6kl_debug_init(ar);
107 wiphy_unregister(ar->wiphy);
108 goto err_node_cleanup;
111 for (i = 0; i < ar->vif_max; i++)
112 ar->avail_idx_map |= BIT(i);
116 /* Add an initial station interface */
117 ndev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
123 ath6kl_err("Failed to instantiate a network device\n");
125 wiphy_unregister(ar->wiphy);
130 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
131 __func__, ndev->name, ndev, ar);
133 /* setup access class priority mappings */
134 ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */
135 ar->ac_stream_pri_map[WMM_AC_BE] = 1;
136 ar->ac_stream_pri_map[WMM_AC_VI] = 2;
137 ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */
139 /* allocate some buffers that handle larger AMSDU frames */
140 ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);
142 ath6kl_cookie_init(ar);
144 ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
145 ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;
148 suspend_mode >= WLAN_POWER_STATE_CUT_PWR &&
149 suspend_mode <= WLAN_POWER_STATE_WOW)
150 ar->suspend_mode = suspend_mode;
152 ar->suspend_mode = 0;
155 ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;
157 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
158 WIPHY_FLAG_HAVE_AP_SME |
159 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
160 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
162 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities))
163 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
165 ar->wiphy->probe_resp_offload =
166 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
167 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
168 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P |
169 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U;
171 set_bit(FIRST_BOOT, &ar->flag);
173 ndev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
175 ret = ath6kl_init_hw_start(ar);
177 ath6kl_err("Failed to start hardware: %d\n", ret);
178 goto err_rxbuf_cleanup;
181 /* give our connected endpoints some buffers */
182 ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
183 ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
186 * Set mac address which is received in ready event
187 * FIXME: Move to ath6kl_interface_add()
189 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
194 ath6kl_htc_flush_rx_buf(ar->htc_target);
195 ath6kl_cleanup_amsdu_rxbufs(ar);
197 ath6kl_cfg80211_vif_cleanup(netdev_priv(ndev));
199 wiphy_unregister(ar->wiphy);
201 ath6kl_debug_cleanup(ar);
203 ath6kl_wmi_shutdown(ar->wmi);
204 clear_bit(WMI_ENABLED, &ar->flag);
207 ath6kl_htc_cleanup(ar->htc_target);
209 ath6kl_hif_power_off(ar);
211 ath6kl_bmi_cleanup(ar);
213 destroy_workqueue(ar->ath6kl_wq);
217 EXPORT_SYMBOL(ath6kl_core_init);
219 struct ath6kl *ath6kl_core_create(struct device *dev)
224 ar = ath6kl_cfg80211_create();
228 ar->p2p = !!ath6kl_p2p;
233 ar->max_norm_iface = 1;
235 spin_lock_init(&ar->lock);
236 spin_lock_init(&ar->mcastpsq_lock);
237 spin_lock_init(&ar->list_lock);
239 init_waitqueue_head(&ar->event_wq);
240 sema_init(&ar->sem, 1);
242 INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue);
243 INIT_LIST_HEAD(&ar->vif_list);
245 clear_bit(WMI_ENABLED, &ar->flag);
246 clear_bit(SKIP_SCAN, &ar->flag);
247 clear_bit(DESTROY_IN_PROGRESS, &ar->flag);
249 ar->listen_intvl_b = A_DEFAULT_LISTEN_INTERVAL;
253 ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD;
255 ar->state = ATH6KL_STATE_OFF;
257 memset((u8 *)ar->sta_list, 0,
258 AP_MAX_NUM_STA * sizeof(struct ath6kl_sta));
260 /* Init the PS queues */
261 for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) {
262 spin_lock_init(&ar->sta_list[ctr].psq_lock);
263 skb_queue_head_init(&ar->sta_list[ctr].psq);
264 skb_queue_head_init(&ar->sta_list[ctr].apsdq);
265 ar->sta_list[ctr].mgmt_psq_len = 0;
266 INIT_LIST_HEAD(&ar->sta_list[ctr].mgmt_psq);
267 ar->sta_list[ctr].aggr_conn =
268 kzalloc(sizeof(struct aggr_info_conn), GFP_KERNEL);
269 if (!ar->sta_list[ctr].aggr_conn) {
270 ath6kl_err("Failed to allocate memory for sta aggregation information\n");
271 ath6kl_core_destroy(ar);
276 skb_queue_head_init(&ar->mcastpsq);
278 memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3);
282 EXPORT_SYMBOL(ath6kl_core_create);
284 void ath6kl_core_cleanup(struct ath6kl *ar)
286 ath6kl_hif_power_off(ar);
288 destroy_workqueue(ar->ath6kl_wq);
291 ath6kl_htc_cleanup(ar->htc_target);
293 ath6kl_cookie_cleanup(ar);
295 ath6kl_cleanup_amsdu_rxbufs(ar);
297 ath6kl_bmi_cleanup(ar);
299 ath6kl_debug_cleanup(ar);
305 kfree(ar->fw_testscript);
307 ath6kl_cfg80211_cleanup(ar);
309 EXPORT_SYMBOL(ath6kl_core_cleanup);
311 void ath6kl_core_destroy(struct ath6kl *ar)
313 ath6kl_cfg80211_destroy(ar);
315 EXPORT_SYMBOL(ath6kl_core_destroy);
317 MODULE_AUTHOR("Qualcomm Atheros");
318 MODULE_DESCRIPTION("Core module for AR600x SDIO and USB devices.");
319 MODULE_LICENSE("Dual BSD/GPL");