2 * Copyright (c) 2004-2011 Atheros Communications Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #include <linux/module.h>
20 #include <linux/moduleparam.h>
21 #include <linux/export.h>
27 unsigned int debug_mask;
28 static unsigned int suspend_mode;
29 static unsigned int uart_debug;
30 static unsigned int ath6kl_p2p;
31 static unsigned int testmode;
33 module_param(debug_mask, uint, 0644);
34 module_param(suspend_mode, uint, 0644);
35 module_param(uart_debug, uint, 0644);
36 module_param(ath6kl_p2p, uint, 0644);
37 module_param(testmode, uint, 0644);
39 int ath6kl_core_init(struct ath6kl *ar)
41 struct ath6kl_bmi_target_info targ_info;
42 struct net_device *ndev;
45 ar->ath6kl_wq = create_singlethread_workqueue("ath6kl");
49 ret = ath6kl_bmi_init(ar);
54 * Turn on power to get hardware (target) version and leave power
55 * on delibrately as we will boot the hardware anyway within few
58 ret = ath6kl_hif_power_on(ar);
62 ret = ath6kl_bmi_get_target_info(ar, &targ_info);
66 ar->version.target_ver = le32_to_cpu(targ_info.version);
67 ar->target_type = le32_to_cpu(targ_info.type);
68 ar->wiphy->hw_version = le32_to_cpu(targ_info.version);
70 ret = ath6kl_init_hw_params(ar);
74 ar->htc_target = ath6kl_htc_create(ar);
76 if (!ar->htc_target) {
81 ar->testmode = testmode;
83 ret = ath6kl_init_fetch_firmwares(ar);
87 /* FIXME: we should free all firmwares in the error cases below */
89 /* Indicate that WMI is enabled (although not ready yet) */
90 set_bit(WMI_ENABLED, &ar->flag);
91 ar->wmi = ath6kl_wmi_init(ar);
93 ath6kl_err("failed to initialize wmi\n");
98 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);
100 ret = ath6kl_cfg80211_init(ar);
102 goto err_node_cleanup;
104 ret = ath6kl_debug_init(ar);
106 wiphy_unregister(ar->wiphy);
107 goto err_node_cleanup;
110 for (i = 0; i < ar->vif_max; i++)
111 ar->avail_idx_map |= BIT(i);
115 /* Add an initial station interface */
116 ndev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
122 ath6kl_err("Failed to instantiate a network device\n");
124 wiphy_unregister(ar->wiphy);
129 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
130 __func__, ndev->name, ndev, ar);
132 /* setup access class priority mappings */
133 ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */
134 ar->ac_stream_pri_map[WMM_AC_BE] = 1;
135 ar->ac_stream_pri_map[WMM_AC_VI] = 2;
136 ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */
138 /* give our connected endpoints some buffers */
139 ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
140 ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
142 /* allocate some buffers that handle larger AMSDU frames */
143 ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);
145 ath6kl_cookie_init(ar);
147 ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
148 ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;
151 suspend_mode >= WLAN_POWER_STATE_CUT_PWR &&
152 suspend_mode <= WLAN_POWER_STATE_WOW)
153 ar->suspend_mode = suspend_mode;
155 ar->suspend_mode = 0;
158 ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;
160 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
161 WIPHY_FLAG_HAVE_AP_SME |
162 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
163 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
165 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities))
166 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
168 ar->wiphy->probe_resp_offload =
169 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
170 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
171 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P |
172 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U;
174 set_bit(FIRST_BOOT, &ar->flag);
176 ndev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
178 ret = ath6kl_init_hw_start(ar);
180 ath6kl_err("Failed to start hardware: %d\n", ret);
181 goto err_rxbuf_cleanup;
185 * Set mac address which is received in ready event
186 * FIXME: Move to ath6kl_interface_add()
188 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
193 ath6kl_htc_flush_rx_buf(ar->htc_target);
194 ath6kl_cleanup_amsdu_rxbufs(ar);
196 ath6kl_cfg80211_vif_cleanup(netdev_priv(ndev));
198 wiphy_unregister(ar->wiphy);
200 ath6kl_debug_cleanup(ar);
202 ath6kl_wmi_shutdown(ar->wmi);
203 clear_bit(WMI_ENABLED, &ar->flag);
206 ath6kl_htc_cleanup(ar->htc_target);
208 ath6kl_hif_power_off(ar);
210 ath6kl_bmi_cleanup(ar);
212 destroy_workqueue(ar->ath6kl_wq);
216 EXPORT_SYMBOL(ath6kl_core_init);
218 struct ath6kl *ath6kl_core_create(struct device *dev)
223 ar = ath6kl_cfg80211_create();
227 ar->p2p = !!ath6kl_p2p;
232 ar->max_norm_iface = 1;
234 spin_lock_init(&ar->lock);
235 spin_lock_init(&ar->mcastpsq_lock);
236 spin_lock_init(&ar->list_lock);
238 init_waitqueue_head(&ar->event_wq);
239 sema_init(&ar->sem, 1);
241 INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue);
242 INIT_LIST_HEAD(&ar->vif_list);
244 clear_bit(WMI_ENABLED, &ar->flag);
245 clear_bit(SKIP_SCAN, &ar->flag);
246 clear_bit(DESTROY_IN_PROGRESS, &ar->flag);
248 ar->listen_intvl_b = A_DEFAULT_LISTEN_INTERVAL;
252 ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD;
254 ar->state = ATH6KL_STATE_OFF;
256 memset((u8 *)ar->sta_list, 0,
257 AP_MAX_NUM_STA * sizeof(struct ath6kl_sta));
259 /* Init the PS queues */
260 for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) {
261 spin_lock_init(&ar->sta_list[ctr].psq_lock);
262 skb_queue_head_init(&ar->sta_list[ctr].psq);
263 skb_queue_head_init(&ar->sta_list[ctr].apsdq);
264 ar->sta_list[ctr].aggr_conn =
265 kzalloc(sizeof(struct aggr_info_conn), GFP_KERNEL);
266 if (!ar->sta_list[ctr].aggr_conn) {
267 ath6kl_err("Failed to allocate memory for sta aggregation information\n");
268 ath6kl_core_destroy(ar);
273 skb_queue_head_init(&ar->mcastpsq);
275 memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3);
279 EXPORT_SYMBOL(ath6kl_core_create);
281 void ath6kl_core_cleanup(struct ath6kl *ar)
283 ath6kl_hif_power_off(ar);
285 destroy_workqueue(ar->ath6kl_wq);
288 ath6kl_htc_cleanup(ar->htc_target);
290 ath6kl_cookie_cleanup(ar);
292 ath6kl_cleanup_amsdu_rxbufs(ar);
294 ath6kl_bmi_cleanup(ar);
296 ath6kl_debug_cleanup(ar);
302 kfree(ar->fw_testscript);
304 ath6kl_cfg80211_cleanup(ar);
306 EXPORT_SYMBOL(ath6kl_core_cleanup);
308 void ath6kl_core_destroy(struct ath6kl *ar)
310 ath6kl_cfg80211_destroy(ar);
312 EXPORT_SYMBOL(ath6kl_core_destroy);
314 MODULE_AUTHOR("Qualcomm Atheros");
315 MODULE_DESCRIPTION("Core module for AR600x SDIO and USB devices.");
316 MODULE_LICENSE("Dual BSD/GPL");