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 bool suspend_cutpower;
29 static unsigned int uart_debug;
30 static unsigned int ath6kl_p2p;
32 module_param(debug_mask, uint, 0644);
33 module_param(suspend_cutpower, bool, 0444);
34 module_param(uart_debug, uint, 0644);
35 module_param(ath6kl_p2p, uint, 0644);
37 int ath6kl_core_init(struct ath6kl *ar)
39 struct ath6kl_bmi_target_info targ_info;
40 struct net_device *ndev;
43 ar->ath6kl_wq = create_singlethread_workqueue("ath6kl");
47 ret = ath6kl_bmi_init(ar);
52 * Turn on power to get hardware (target) version and leave power
53 * on delibrately as we will boot the hardware anyway within few
56 ret = ath6kl_hif_power_on(ar);
60 ret = ath6kl_bmi_get_target_info(ar, &targ_info);
64 ar->version.target_ver = le32_to_cpu(targ_info.version);
65 ar->target_type = le32_to_cpu(targ_info.type);
66 ar->wiphy->hw_version = le32_to_cpu(targ_info.version);
68 ret = ath6kl_init_hw_params(ar);
72 ar->htc_target = ath6kl_htc_create(ar);
74 if (!ar->htc_target) {
79 ret = ath6kl_init_fetch_firmwares(ar);
83 /* FIXME: we should free all firmwares in the error cases below */
85 /* Indicate that WMI is enabled (although not ready yet) */
86 set_bit(WMI_ENABLED, &ar->flag);
87 ar->wmi = ath6kl_wmi_init(ar);
89 ath6kl_err("failed to initialize wmi\n");
94 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);
96 ret = ath6kl_cfg80211_init(ar);
98 goto err_node_cleanup;
100 ret = ath6kl_debug_init(ar);
102 wiphy_unregister(ar->wiphy);
103 goto err_node_cleanup;
106 for (i = 0; i < ar->vif_max; i++)
107 ar->avail_idx_map |= BIT(i);
111 /* Add an initial station interface */
112 ndev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
118 ath6kl_err("Failed to instantiate a network device\n");
120 wiphy_unregister(ar->wiphy);
125 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
126 __func__, ndev->name, ndev, ar);
128 /* setup access class priority mappings */
129 ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */
130 ar->ac_stream_pri_map[WMM_AC_BE] = 1;
131 ar->ac_stream_pri_map[WMM_AC_VI] = 2;
132 ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */
134 /* give our connected endpoints some buffers */
135 ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
136 ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
138 /* allocate some buffers that handle larger AMSDU frames */
139 ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);
141 ath6kl_cookie_init(ar);
143 ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
144 ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;
146 if (suspend_cutpower)
147 ar->conf_flags |= ATH6KL_CONF_SUSPEND_CUTPOWER;
150 ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;
152 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
153 WIPHY_FLAG_HAVE_AP_SME |
154 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
155 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
157 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities))
158 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
160 ar->wiphy->probe_resp_offload =
161 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
162 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
163 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P |
164 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U;
166 set_bit(FIRST_BOOT, &ar->flag);
168 ndev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
170 ret = ath6kl_init_hw_start(ar);
172 ath6kl_err("Failed to start hardware: %d\n", ret);
173 goto err_rxbuf_cleanup;
177 * Set mac address which is received in ready event
178 * FIXME: Move to ath6kl_interface_add()
180 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
185 ath6kl_htc_flush_rx_buf(ar->htc_target);
186 ath6kl_cleanup_amsdu_rxbufs(ar);
188 ath6kl_cfg80211_vif_cleanup(netdev_priv(ndev));
190 wiphy_unregister(ar->wiphy);
192 ath6kl_debug_cleanup(ar);
194 ath6kl_wmi_shutdown(ar->wmi);
195 clear_bit(WMI_ENABLED, &ar->flag);
198 ath6kl_htc_cleanup(ar->htc_target);
200 ath6kl_hif_power_off(ar);
202 ath6kl_bmi_cleanup(ar);
204 destroy_workqueue(ar->ath6kl_wq);
208 EXPORT_SYMBOL(ath6kl_core_init);
210 struct ath6kl *ath6kl_core_create(struct device *dev)
215 ar = ath6kl_cfg80211_create();
219 ar->p2p = !!ath6kl_p2p;
224 ar->max_norm_iface = 1;
226 spin_lock_init(&ar->lock);
227 spin_lock_init(&ar->mcastpsq_lock);
228 spin_lock_init(&ar->list_lock);
230 init_waitqueue_head(&ar->event_wq);
231 sema_init(&ar->sem, 1);
233 INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue);
234 INIT_LIST_HEAD(&ar->vif_list);
236 clear_bit(WMI_ENABLED, &ar->flag);
237 clear_bit(SKIP_SCAN, &ar->flag);
238 clear_bit(DESTROY_IN_PROGRESS, &ar->flag);
240 ar->listen_intvl_b = A_DEFAULT_LISTEN_INTERVAL;
244 ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD;
246 ar->state = ATH6KL_STATE_OFF;
248 memset((u8 *)ar->sta_list, 0,
249 AP_MAX_NUM_STA * sizeof(struct ath6kl_sta));
251 /* Init the PS queues */
252 for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) {
253 spin_lock_init(&ar->sta_list[ctr].psq_lock);
254 skb_queue_head_init(&ar->sta_list[ctr].psq);
255 skb_queue_head_init(&ar->sta_list[ctr].apsdq);
258 skb_queue_head_init(&ar->mcastpsq);
260 memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3);
264 EXPORT_SYMBOL(ath6kl_core_create);
266 void ath6kl_core_cleanup(struct ath6kl *ar)
268 ath6kl_hif_power_off(ar);
270 destroy_workqueue(ar->ath6kl_wq);
273 ath6kl_htc_cleanup(ar->htc_target);
275 ath6kl_cookie_cleanup(ar);
277 ath6kl_cleanup_amsdu_rxbufs(ar);
279 ath6kl_bmi_cleanup(ar);
281 ath6kl_debug_cleanup(ar);
287 kfree(ar->fw_testscript);
289 ath6kl_cfg80211_cleanup(ar);
291 EXPORT_SYMBOL(ath6kl_core_cleanup);
293 void ath6kl_core_destroy(struct ath6kl *ar)
295 ath6kl_cfg80211_destroy(ar);
297 EXPORT_SYMBOL(ath6kl_core_destroy);
299 MODULE_AUTHOR("Qualcomm Atheros");
300 MODULE_DESCRIPTION("Core module for AR600x SDIO and USB devices.");
301 MODULE_LICENSE("Dual BSD/GPL");