1fb9987d0SSujith /*
25b68138eSSujith Manoharan * Copyright (c) 2010-2011 Atheros Communications Inc.
3fb9987d0SSujith *
4fb9987d0SSujith * Permission to use, copy, modify, and/or distribute this software for any
5fb9987d0SSujith * purpose with or without fee is hereby granted, provided that the above
6fb9987d0SSujith * copyright notice and this permission notice appear in all copies.
7fb9987d0SSujith *
8fb9987d0SSujith * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9fb9987d0SSujith * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10fb9987d0SSujith * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11fb9987d0SSujith * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12fb9987d0SSujith * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13fb9987d0SSujith * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14fb9987d0SSujith * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15fb9987d0SSujith */
16fb9987d0SSujith
17516304b0SJoe Perches #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18516304b0SJoe Perches
19fb9987d0SSujith #include "htc.h"
20fb9987d0SSujith
21fb9987d0SSujith MODULE_AUTHOR("Atheros Communications");
22fb9987d0SSujith MODULE_LICENSE("Dual BSD/GPL");
23fb9987d0SSujith MODULE_DESCRIPTION("Atheros driver 802.11n HTC based wireless devices");
24fb9987d0SSujith
25fb9987d0SSujith static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
26fb9987d0SSujith module_param_named(debug, ath9k_debug, uint, 0);
27fb9987d0SSujith MODULE_PARM_DESC(debug, "Debugging mask");
28fb9987d0SSujith
29e1572c5eSSujith int htc_modparam_nohwcrypt;
30e1572c5eSSujith module_param_named(nohwcrypt, htc_modparam_nohwcrypt, int, 0444);
31fb9987d0SSujith MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
32fb9987d0SSujith
337f34778eSMohammed Shafi Shajakhan static int ath9k_htc_btcoex_enable;
347f34778eSMohammed Shafi Shajakhan module_param_named(btcoex_enable, ath9k_htc_btcoex_enable, int, 0444);
357f34778eSMohammed Shafi Shajakhan MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
367f34778eSMohammed Shafi Shajakhan
376bca610dSOleksij Rempel static int ath9k_ps_enable;
386bca610dSOleksij Rempel module_param_named(ps_enable, ath9k_ps_enable, int, 0444);
396bca610dSOleksij Rempel MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave");
406bca610dSOleksij Rempel
41e904cf6fSOleksij Rempel int htc_use_dev_fw = 0;
42e904cf6fSOleksij Rempel module_param_named(use_dev_fw, htc_use_dev_fw, int, 0444);
43e904cf6fSOleksij Rempel MODULE_PARM_DESC(use_dev_fw, "Use development FW version");
44e904cf6fSOleksij Rempel
45d244f21eSSujith Manoharan #ifdef CONFIG_MAC80211_LEDS
460c8a1e43SHong Xu int ath9k_htc_led_blink = 1;
470c8a1e43SHong Xu module_param_named(blink, ath9k_htc_led_blink, int, 0444);
483a939a67SHong Xu MODULE_PARM_DESC(blink, "Enable LED blink on activity");
493a939a67SHong Xu
50d244f21eSSujith Manoharan static const struct ieee80211_tpt_blink ath9k_htc_tpt_blink[] = {
51d244f21eSSujith Manoharan { .throughput = 0 * 1024, .blink_time = 334 },
52d244f21eSSujith Manoharan { .throughput = 1 * 1024, .blink_time = 260 },
53d244f21eSSujith Manoharan { .throughput = 5 * 1024, .blink_time = 220 },
54d244f21eSSujith Manoharan { .throughput = 10 * 1024, .blink_time = 190 },
55d244f21eSSujith Manoharan { .throughput = 20 * 1024, .blink_time = 170 },
56d244f21eSSujith Manoharan { .throughput = 50 * 1024, .blink_time = 150 },
57d244f21eSSujith Manoharan { .throughput = 70 * 1024, .blink_time = 130 },
58d244f21eSSujith Manoharan { .throughput = 100 * 1024, .blink_time = 110 },
59d244f21eSSujith Manoharan { .throughput = 200 * 1024, .blink_time = 80 },
60d244f21eSSujith Manoharan { .throughput = 300 * 1024, .blink_time = 50 },
61d244f21eSSujith Manoharan };
62d244f21eSSujith Manoharan #endif
63d244f21eSSujith Manoharan
ath9k_htc_op_ps_wakeup(struct ath_common * common)647d031552Skbuild test robot static void ath9k_htc_op_ps_wakeup(struct ath_common *common)
6594cd95c2SOleksij Rempel {
6694cd95c2SOleksij Rempel ath9k_htc_ps_wakeup((struct ath9k_htc_priv *) common->priv);
6794cd95c2SOleksij Rempel }
6894cd95c2SOleksij Rempel
ath9k_htc_op_ps_restore(struct ath_common * common)697d031552Skbuild test robot static void ath9k_htc_op_ps_restore(struct ath_common *common)
7094cd95c2SOleksij Rempel {
7194cd95c2SOleksij Rempel ath9k_htc_ps_restore((struct ath9k_htc_priv *) common->priv);
7294cd95c2SOleksij Rempel }
7394cd95c2SOleksij Rempel
743588e111SBhumika Goyal static const struct ath_ps_ops ath9k_htc_ps_ops = {
7594cd95c2SOleksij Rempel .wakeup = ath9k_htc_op_ps_wakeup,
7694cd95c2SOleksij Rempel .restore = ath9k_htc_op_ps_restore,
7794cd95c2SOleksij Rempel };
7894cd95c2SOleksij Rempel
ath9k_htc_wait_for_target(struct ath9k_htc_priv * priv)79fb9987d0SSujith static int ath9k_htc_wait_for_target(struct ath9k_htc_priv *priv)
80fb9987d0SSujith {
8170a56550SNicholas Mc Guire unsigned long time_left;
82fb9987d0SSujith
83d8c49ffbSSujith.Manoharan@atheros.com if (atomic_read(&priv->htc->tgt_ready) > 0) {
84d8c49ffbSSujith.Manoharan@atheros.com atomic_dec(&priv->htc->tgt_ready);
85d8c49ffbSSujith.Manoharan@atheros.com return 0;
86d8c49ffbSSujith.Manoharan@atheros.com }
87d8c49ffbSSujith.Manoharan@atheros.com
88fb9987d0SSujith /* Firmware can take up to 50ms to get ready, to be safe use 1 second */
89fb9987d0SSujith time_left = wait_for_completion_timeout(&priv->htc->target_wait, HZ);
90fb9987d0SSujith if (!time_left) {
91fb9987d0SSujith dev_err(priv->dev, "ath9k_htc: Target is unresponsive\n");
92fb9987d0SSujith return -ETIMEDOUT;
93fb9987d0SSujith }
94fb9987d0SSujith
95d8c49ffbSSujith.Manoharan@atheros.com atomic_dec(&priv->htc->tgt_ready);
96d8c49ffbSSujith.Manoharan@atheros.com
97fb9987d0SSujith return 0;
98fb9987d0SSujith }
99fb9987d0SSujith
ath9k_deinit_priv(struct ath9k_htc_priv * priv)100fb9987d0SSujith static void ath9k_deinit_priv(struct ath9k_htc_priv *priv)
101fb9987d0SSujith {
102fb9987d0SSujith ath9k_hw_deinit(priv->ah);
103fb9987d0SSujith kfree(priv->ah);
104fb9987d0SSujith priv->ah = NULL;
105fb9987d0SSujith }
106fb9987d0SSujith
ath9k_deinit_device(struct ath9k_htc_priv * priv)107fb9987d0SSujith static void ath9k_deinit_device(struct ath9k_htc_priv *priv)
108fb9987d0SSujith {
109fb9987d0SSujith struct ieee80211_hw *hw = priv->hw;
110fb9987d0SSujith
111fb9987d0SSujith wiphy_rfkill_stop_polling(hw->wiphy);
112fb9987d0SSujith ath9k_deinit_leds(priv);
1133f2aa13fSOleksij Rempel ath9k_htc_deinit_debug(priv);
114fb9987d0SSujith ieee80211_unregister_hw(hw);
115fb9987d0SSujith ath9k_rx_cleanup(priv);
116fb9987d0SSujith ath9k_tx_cleanup(priv);
117fb9987d0SSujith ath9k_deinit_priv(priv);
118fb9987d0SSujith }
119fb9987d0SSujith
ath9k_htc_connect_svc(struct ath9k_htc_priv * priv,u16 service_id,void (* tx)(void *,struct sk_buff *,enum htc_endpoint_id,bool txok),enum htc_endpoint_id * ep_id)120fb9987d0SSujith static inline int ath9k_htc_connect_svc(struct ath9k_htc_priv *priv,
121fb9987d0SSujith u16 service_id,
122fb9987d0SSujith void (*tx) (void *,
123fb9987d0SSujith struct sk_buff *,
124fb9987d0SSujith enum htc_endpoint_id,
125fb9987d0SSujith bool txok),
126fb9987d0SSujith enum htc_endpoint_id *ep_id)
127fb9987d0SSujith {
128fb9987d0SSujith struct htc_service_connreq req;
129fb9987d0SSujith
130fb9987d0SSujith memset(&req, 0, sizeof(struct htc_service_connreq));
131fb9987d0SSujith
132fb9987d0SSujith req.service_id = service_id;
133fb9987d0SSujith req.ep_callbacks.priv = priv;
134fb9987d0SSujith req.ep_callbacks.rx = ath9k_htc_rxep;
135fb9987d0SSujith req.ep_callbacks.tx = tx;
136fb9987d0SSujith
137fb9987d0SSujith return htc_connect_service(priv->htc, &req, ep_id);
138fb9987d0SSujith }
139fb9987d0SSujith
ath9k_init_htc_services(struct ath9k_htc_priv * priv,u16 devid,u32 drv_info)140fa6e15e0SRajkumar Manoharan static int ath9k_init_htc_services(struct ath9k_htc_priv *priv, u16 devid,
141fa6e15e0SRajkumar Manoharan u32 drv_info)
142fb9987d0SSujith {
143fb9987d0SSujith int ret;
144fb9987d0SSujith
145fb9987d0SSujith /* WMI CMD*/
146fb9987d0SSujith ret = ath9k_wmi_connect(priv->htc, priv->wmi, &priv->wmi_cmd_ep);
147fb9987d0SSujith if (ret)
148fb9987d0SSujith goto err;
149fb9987d0SSujith
150fb9987d0SSujith /* Beacon */
1519c6dda4eSSujith ret = ath9k_htc_connect_svc(priv, WMI_BEACON_SVC, ath9k_htc_beaconep,
152fb9987d0SSujith &priv->beacon_ep);
153fb9987d0SSujith if (ret)
154fb9987d0SSujith goto err;
155fb9987d0SSujith
156fb9987d0SSujith /* CAB */
157fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_CAB_SVC, ath9k_htc_txep,
158fb9987d0SSujith &priv->cab_ep);
159fb9987d0SSujith if (ret)
160fb9987d0SSujith goto err;
161fb9987d0SSujith
162fb9987d0SSujith
163fb9987d0SSujith /* UAPSD */
164fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_UAPSD_SVC, ath9k_htc_txep,
165fb9987d0SSujith &priv->uapsd_ep);
166fb9987d0SSujith if (ret)
167fb9987d0SSujith goto err;
168fb9987d0SSujith
169fb9987d0SSujith /* MGMT */
170fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_MGMT_SVC, ath9k_htc_txep,
171fb9987d0SSujith &priv->mgmt_ep);
172fb9987d0SSujith if (ret)
173fb9987d0SSujith goto err;
174fb9987d0SSujith
175fb9987d0SSujith /* DATA BE */
176fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_DATA_BE_SVC, ath9k_htc_txep,
177fb9987d0SSujith &priv->data_be_ep);
178fb9987d0SSujith if (ret)
179fb9987d0SSujith goto err;
180fb9987d0SSujith
181fb9987d0SSujith /* DATA BK */
182fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_DATA_BK_SVC, ath9k_htc_txep,
183fb9987d0SSujith &priv->data_bk_ep);
184fb9987d0SSujith if (ret)
185fb9987d0SSujith goto err;
186fb9987d0SSujith
187fb9987d0SSujith /* DATA VI */
188fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_DATA_VI_SVC, ath9k_htc_txep,
189fb9987d0SSujith &priv->data_vi_ep);
190fb9987d0SSujith if (ret)
191fb9987d0SSujith goto err;
192fb9987d0SSujith
193fb9987d0SSujith /* DATA VO */
194fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_DATA_VO_SVC, ath9k_htc_txep,
195fb9987d0SSujith &priv->data_vo_ep);
196fb9987d0SSujith if (ret)
197fb9987d0SSujith goto err;
198fb9987d0SSujith
1996267dc70SSujith /*
2006267dc70SSujith * Setup required credits before initializing HTC.
2016267dc70SSujith * This is a bit hacky, but, since queuing is done in
2026267dc70SSujith * the HIF layer, shouldn't matter much.
2036267dc70SSujith */
2046267dc70SSujith
2050b5ead91SSujith Manoharan if (IS_AR7010_DEVICE(drv_info))
206d108e8b9SSujith Manoharan priv->htc->credits = 45;
207fa6e15e0SRajkumar Manoharan else
2084e63f768SSujith priv->htc->credits = 33;
2096267dc70SSujith
210fb9987d0SSujith ret = htc_init(priv->htc);
211fb9987d0SSujith if (ret)
212fb9987d0SSujith goto err;
213fb9987d0SSujith
2146267dc70SSujith dev_info(priv->dev, "ath9k_htc: HTC initialized with %d credits\n",
2156267dc70SSujith priv->htc->credits);
2166267dc70SSujith
217fb9987d0SSujith return 0;
218fb9987d0SSujith
219fb9987d0SSujith err:
220fb9987d0SSujith dev_err(priv->dev, "ath9k_htc: Unable to initialize HTC services\n");
221fb9987d0SSujith return ret;
222fb9987d0SSujith }
223fb9987d0SSujith
ath9k_reg_notifier(struct wiphy * wiphy,struct regulatory_request * request)2240c0280bdSLuis R. Rodriguez static void ath9k_reg_notifier(struct wiphy *wiphy,
225fb9987d0SSujith struct regulatory_request *request)
226fb9987d0SSujith {
227fb9987d0SSujith struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
228fb9987d0SSujith struct ath9k_htc_priv *priv = hw->priv;
229fb9987d0SSujith
2300c0280bdSLuis R. Rodriguez ath_reg_notifier_apply(wiphy, request,
231fb9987d0SSujith ath9k_hw_regulatory(priv->ah));
232fb9987d0SSujith }
233fb9987d0SSujith
ath9k_regread(void * hw_priv,u32 reg_offset)2344a22fe10SSujith static unsigned int ath9k_regread(void *hw_priv, u32 reg_offset)
235fb9987d0SSujith {
23650c8cd44SHimanshu Jha struct ath_hw *ah = hw_priv;
237fb9987d0SSujith struct ath_common *common = ath9k_hw_common(ah);
238fb9987d0SSujith struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
239fb9987d0SSujith __be32 val, reg = cpu_to_be32(reg_offset);
240fb9987d0SSujith int r;
241fb9987d0SSujith
242fb9987d0SSujith r = ath9k_wmi_cmd(priv->wmi, WMI_REG_READ_CMDID,
243fb9987d0SSujith (u8 *) ®, sizeof(reg),
244fb9987d0SSujith (u8 *) &val, sizeof(val),
245fb9987d0SSujith 100);
246fb9987d0SSujith if (unlikely(r)) {
247d2182b69SJoe Perches ath_dbg(common, WMI, "REGISTER READ FAILED: (0x%04x, %d)\n",
248fb9987d0SSujith reg_offset, r);
2497dd9a40fSToke Høiland-Jørgensen return -1;
250fb9987d0SSujith }
251fb9987d0SSujith
252fb9987d0SSujith return be32_to_cpu(val);
253fb9987d0SSujith }
254fb9987d0SSujith
ath9k_multi_regread(void * hw_priv,u32 * addr,u32 * val,u16 count)25509a525d3SSujith Manoharan static void ath9k_multi_regread(void *hw_priv, u32 *addr,
25609a525d3SSujith Manoharan u32 *val, u16 count)
25709a525d3SSujith Manoharan {
25850c8cd44SHimanshu Jha struct ath_hw *ah = hw_priv;
25909a525d3SSujith Manoharan struct ath_common *common = ath9k_hw_common(ah);
26009a525d3SSujith Manoharan struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
26109a525d3SSujith Manoharan __be32 tmpaddr[8];
26209a525d3SSujith Manoharan __be32 tmpval[8];
26309a525d3SSujith Manoharan int i, ret;
26409a525d3SSujith Manoharan
26509a525d3SSujith Manoharan for (i = 0; i < count; i++) {
26609a525d3SSujith Manoharan tmpaddr[i] = cpu_to_be32(addr[i]);
26709a525d3SSujith Manoharan }
26809a525d3SSujith Manoharan
26909a525d3SSujith Manoharan ret = ath9k_wmi_cmd(priv->wmi, WMI_REG_READ_CMDID,
27009a525d3SSujith Manoharan (u8 *)tmpaddr , sizeof(u32) * count,
27109a525d3SSujith Manoharan (u8 *)tmpval, sizeof(u32) * count,
27209a525d3SSujith Manoharan 100);
27309a525d3SSujith Manoharan if (unlikely(ret)) {
274d2182b69SJoe Perches ath_dbg(common, WMI,
27509a525d3SSujith Manoharan "Multiple REGISTER READ FAILED (count: %d)\n", count);
27609a525d3SSujith Manoharan }
27709a525d3SSujith Manoharan
27809a525d3SSujith Manoharan for (i = 0; i < count; i++) {
27909a525d3SSujith Manoharan val[i] = be32_to_cpu(tmpval[i]);
28009a525d3SSujith Manoharan }
28109a525d3SSujith Manoharan }
28209a525d3SSujith Manoharan
ath9k_regwrite_multi(struct ath_common * common)2832259ba38SOleksij Rempel static void ath9k_regwrite_multi(struct ath_common *common)
2842259ba38SOleksij Rempel {
2852259ba38SOleksij Rempel struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
2862259ba38SOleksij Rempel u32 rsp_status;
2872259ba38SOleksij Rempel int r;
2882259ba38SOleksij Rempel
2892259ba38SOleksij Rempel r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID,
2902259ba38SOleksij Rempel (u8 *) &priv->wmi->multi_write,
2912259ba38SOleksij Rempel sizeof(struct register_write) * priv->wmi->multi_write_idx,
2922259ba38SOleksij Rempel (u8 *) &rsp_status, sizeof(rsp_status),
2932259ba38SOleksij Rempel 100);
2942259ba38SOleksij Rempel if (unlikely(r)) {
2952259ba38SOleksij Rempel ath_dbg(common, WMI,
2962259ba38SOleksij Rempel "REGISTER WRITE FAILED, multi len: %d\n",
2972259ba38SOleksij Rempel priv->wmi->multi_write_idx);
2982259ba38SOleksij Rempel }
2992259ba38SOleksij Rempel priv->wmi->multi_write_idx = 0;
3002259ba38SOleksij Rempel }
3012259ba38SOleksij Rempel
ath9k_regwrite_single(void * hw_priv,u32 val,u32 reg_offset)3024a22fe10SSujith static void ath9k_regwrite_single(void *hw_priv, u32 val, u32 reg_offset)
303fb9987d0SSujith {
30450c8cd44SHimanshu Jha struct ath_hw *ah = hw_priv;
305fb9987d0SSujith struct ath_common *common = ath9k_hw_common(ah);
306fb9987d0SSujith struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
30707b2fa5aSJoe Perches const __be32 buf[2] = {
308fb9987d0SSujith cpu_to_be32(reg_offset),
309fb9987d0SSujith cpu_to_be32(val),
310fb9987d0SSujith };
311fb9987d0SSujith int r;
312fb9987d0SSujith
313fb9987d0SSujith r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID,
314fb9987d0SSujith (u8 *) &buf, sizeof(buf),
315fb9987d0SSujith (u8 *) &val, sizeof(val),
316fb9987d0SSujith 100);
317fb9987d0SSujith if (unlikely(r)) {
318d2182b69SJoe Perches ath_dbg(common, WMI, "REGISTER WRITE FAILED:(0x%04x, %d)\n",
319fb9987d0SSujith reg_offset, r);
320fb9987d0SSujith }
321fb9987d0SSujith }
322fb9987d0SSujith
ath9k_regwrite_buffer(void * hw_priv,u32 val,u32 reg_offset)3234a22fe10SSujith static void ath9k_regwrite_buffer(void *hw_priv, u32 val, u32 reg_offset)
3244a22fe10SSujith {
32550c8cd44SHimanshu Jha struct ath_hw *ah = hw_priv;
3264a22fe10SSujith struct ath_common *common = ath9k_hw_common(ah);
3274a22fe10SSujith struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
3284a22fe10SSujith
3294a22fe10SSujith mutex_lock(&priv->wmi->multi_write_mutex);
3304a22fe10SSujith
3314a22fe10SSujith /* Store the register/value */
3324a22fe10SSujith priv->wmi->multi_write[priv->wmi->multi_write_idx].reg =
3334a22fe10SSujith cpu_to_be32(reg_offset);
3344a22fe10SSujith priv->wmi->multi_write[priv->wmi->multi_write_idx].val =
3354a22fe10SSujith cpu_to_be32(val);
3364a22fe10SSujith
3374a22fe10SSujith priv->wmi->multi_write_idx++;
3384a22fe10SSujith
3394a22fe10SSujith /* If the buffer is full, send it out. */
3402259ba38SOleksij Rempel if (priv->wmi->multi_write_idx == MAX_CMD_NUMBER)
3412259ba38SOleksij Rempel ath9k_regwrite_multi(common);
3424a22fe10SSujith
3434a22fe10SSujith mutex_unlock(&priv->wmi->multi_write_mutex);
3444a22fe10SSujith }
3454a22fe10SSujith
ath9k_regwrite(void * hw_priv,u32 val,u32 reg_offset)3464a22fe10SSujith static void ath9k_regwrite(void *hw_priv, u32 val, u32 reg_offset)
3474a22fe10SSujith {
34850c8cd44SHimanshu Jha struct ath_hw *ah = hw_priv;
3494a22fe10SSujith struct ath_common *common = ath9k_hw_common(ah);
3504a22fe10SSujith struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
3514a22fe10SSujith
3524a22fe10SSujith if (atomic_read(&priv->wmi->mwrite_cnt))
3534a22fe10SSujith ath9k_regwrite_buffer(hw_priv, val, reg_offset);
3544a22fe10SSujith else
3554a22fe10SSujith ath9k_regwrite_single(hw_priv, val, reg_offset);
3564a22fe10SSujith }
3574a22fe10SSujith
ath9k_enable_regwrite_buffer(void * hw_priv)3584a22fe10SSujith static void ath9k_enable_regwrite_buffer(void *hw_priv)
3594a22fe10SSujith {
36050c8cd44SHimanshu Jha struct ath_hw *ah = hw_priv;
3614a22fe10SSujith struct ath_common *common = ath9k_hw_common(ah);
3624a22fe10SSujith struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
3634a22fe10SSujith
3644a22fe10SSujith atomic_inc(&priv->wmi->mwrite_cnt);
3654a22fe10SSujith }
3664a22fe10SSujith
ath9k_regwrite_flush(void * hw_priv)3674a22fe10SSujith static void ath9k_regwrite_flush(void *hw_priv)
3684a22fe10SSujith {
36950c8cd44SHimanshu Jha struct ath_hw *ah = hw_priv;
3704a22fe10SSujith struct ath_common *common = ath9k_hw_common(ah);
3714a22fe10SSujith struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
3724a22fe10SSujith
373435c1610SFelix Fietkau atomic_dec(&priv->wmi->mwrite_cnt);
374435c1610SFelix Fietkau
3754a22fe10SSujith mutex_lock(&priv->wmi->multi_write_mutex);
3764a22fe10SSujith
3772259ba38SOleksij Rempel if (priv->wmi->multi_write_idx)
3782259ba38SOleksij Rempel ath9k_regwrite_multi(common);
3794a22fe10SSujith
3804a22fe10SSujith mutex_unlock(&priv->wmi->multi_write_mutex);
3814a22fe10SSujith }
3824a22fe10SSujith
ath9k_reg_rmw_buffer(void * hw_priv,u32 reg_offset,u32 set,u32 clr)3838badb50cSOleksij Rempel static void ath9k_reg_rmw_buffer(void *hw_priv,
3848badb50cSOleksij Rempel u32 reg_offset, u32 set, u32 clr)
3858badb50cSOleksij Rempel {
38650c8cd44SHimanshu Jha struct ath_hw *ah = hw_priv;
3878badb50cSOleksij Rempel struct ath_common *common = ath9k_hw_common(ah);
3888badb50cSOleksij Rempel struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
3898badb50cSOleksij Rempel u32 rsp_status;
3908badb50cSOleksij Rempel int r;
3918badb50cSOleksij Rempel
3928badb50cSOleksij Rempel mutex_lock(&priv->wmi->multi_rmw_mutex);
3938badb50cSOleksij Rempel
3948badb50cSOleksij Rempel /* Store the register/value */
3958badb50cSOleksij Rempel priv->wmi->multi_rmw[priv->wmi->multi_rmw_idx].reg =
3968badb50cSOleksij Rempel cpu_to_be32(reg_offset);
3978badb50cSOleksij Rempel priv->wmi->multi_rmw[priv->wmi->multi_rmw_idx].set =
3988badb50cSOleksij Rempel cpu_to_be32(set);
3998badb50cSOleksij Rempel priv->wmi->multi_rmw[priv->wmi->multi_rmw_idx].clr =
4008badb50cSOleksij Rempel cpu_to_be32(clr);
4018badb50cSOleksij Rempel
4028badb50cSOleksij Rempel priv->wmi->multi_rmw_idx++;
4038badb50cSOleksij Rempel
4048badb50cSOleksij Rempel /* If the buffer is full, send it out. */
4058badb50cSOleksij Rempel if (priv->wmi->multi_rmw_idx == MAX_RMW_CMD_NUMBER) {
4068badb50cSOleksij Rempel r = ath9k_wmi_cmd(priv->wmi, WMI_REG_RMW_CMDID,
4078badb50cSOleksij Rempel (u8 *) &priv->wmi->multi_rmw,
4088badb50cSOleksij Rempel sizeof(struct register_write) * priv->wmi->multi_rmw_idx,
4098badb50cSOleksij Rempel (u8 *) &rsp_status, sizeof(rsp_status),
4108badb50cSOleksij Rempel 100);
4118badb50cSOleksij Rempel if (unlikely(r)) {
4128badb50cSOleksij Rempel ath_dbg(common, WMI,
4138badb50cSOleksij Rempel "REGISTER RMW FAILED, multi len: %d\n",
4148badb50cSOleksij Rempel priv->wmi->multi_rmw_idx);
4158badb50cSOleksij Rempel }
4168badb50cSOleksij Rempel priv->wmi->multi_rmw_idx = 0;
4178badb50cSOleksij Rempel }
4188badb50cSOleksij Rempel
4198badb50cSOleksij Rempel mutex_unlock(&priv->wmi->multi_rmw_mutex);
4208badb50cSOleksij Rempel }
4218badb50cSOleksij Rempel
ath9k_reg_rmw_flush(void * hw_priv)4228badb50cSOleksij Rempel static void ath9k_reg_rmw_flush(void *hw_priv)
4238badb50cSOleksij Rempel {
42450c8cd44SHimanshu Jha struct ath_hw *ah = hw_priv;
4258badb50cSOleksij Rempel struct ath_common *common = ath9k_hw_common(ah);
4268badb50cSOleksij Rempel struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
4278badb50cSOleksij Rempel u32 rsp_status;
4288badb50cSOleksij Rempel int r;
4298badb50cSOleksij Rempel
4308badb50cSOleksij Rempel if (test_bit(HTC_FWFLAG_NO_RMW, &priv->fw_flags))
4318badb50cSOleksij Rempel return;
4328badb50cSOleksij Rempel
4338badb50cSOleksij Rempel atomic_dec(&priv->wmi->m_rmw_cnt);
4348badb50cSOleksij Rempel
4358badb50cSOleksij Rempel mutex_lock(&priv->wmi->multi_rmw_mutex);
4368badb50cSOleksij Rempel
4378badb50cSOleksij Rempel if (priv->wmi->multi_rmw_idx) {
4388badb50cSOleksij Rempel r = ath9k_wmi_cmd(priv->wmi, WMI_REG_RMW_CMDID,
4398badb50cSOleksij Rempel (u8 *) &priv->wmi->multi_rmw,
4408badb50cSOleksij Rempel sizeof(struct register_rmw) * priv->wmi->multi_rmw_idx,
4418badb50cSOleksij Rempel (u8 *) &rsp_status, sizeof(rsp_status),
4428badb50cSOleksij Rempel 100);
4438badb50cSOleksij Rempel if (unlikely(r)) {
4448badb50cSOleksij Rempel ath_dbg(common, WMI,
4458badb50cSOleksij Rempel "REGISTER RMW FAILED, multi len: %d\n",
4468badb50cSOleksij Rempel priv->wmi->multi_rmw_idx);
4478badb50cSOleksij Rempel }
4488badb50cSOleksij Rempel priv->wmi->multi_rmw_idx = 0;
4498badb50cSOleksij Rempel }
4508badb50cSOleksij Rempel
4518badb50cSOleksij Rempel mutex_unlock(&priv->wmi->multi_rmw_mutex);
4528badb50cSOleksij Rempel }
4538badb50cSOleksij Rempel
ath9k_enable_rmw_buffer(void * hw_priv)4548badb50cSOleksij Rempel static void ath9k_enable_rmw_buffer(void *hw_priv)
4558badb50cSOleksij Rempel {
45650c8cd44SHimanshu Jha struct ath_hw *ah = hw_priv;
4578badb50cSOleksij Rempel struct ath_common *common = ath9k_hw_common(ah);
4588badb50cSOleksij Rempel struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
4598badb50cSOleksij Rempel
4608badb50cSOleksij Rempel if (test_bit(HTC_FWFLAG_NO_RMW, &priv->fw_flags))
4618badb50cSOleksij Rempel return;
4628badb50cSOleksij Rempel
4638badb50cSOleksij Rempel atomic_inc(&priv->wmi->m_rmw_cnt);
4648badb50cSOleksij Rempel }
4658badb50cSOleksij Rempel
ath9k_reg_rmw_single(void * hw_priv,u32 reg_offset,u32 set,u32 clr)46645f09a1cSzhong jiang static void ath9k_reg_rmw_single(void *hw_priv,
4678badb50cSOleksij Rempel u32 reg_offset, u32 set, u32 clr)
4688badb50cSOleksij Rempel {
46950c8cd44SHimanshu Jha struct ath_hw *ah = hw_priv;
4708badb50cSOleksij Rempel struct ath_common *common = ath9k_hw_common(ah);
4718badb50cSOleksij Rempel struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
4728badb50cSOleksij Rempel struct register_rmw buf, buf_ret;
4738badb50cSOleksij Rempel int ret;
4748badb50cSOleksij Rempel
4758badb50cSOleksij Rempel buf.reg = cpu_to_be32(reg_offset);
4768badb50cSOleksij Rempel buf.set = cpu_to_be32(set);
4778badb50cSOleksij Rempel buf.clr = cpu_to_be32(clr);
4788badb50cSOleksij Rempel
4798badb50cSOleksij Rempel ret = ath9k_wmi_cmd(priv->wmi, WMI_REG_RMW_CMDID,
4808badb50cSOleksij Rempel (u8 *) &buf, sizeof(buf),
4818badb50cSOleksij Rempel (u8 *) &buf_ret, sizeof(buf_ret),
4828badb50cSOleksij Rempel 100);
4838badb50cSOleksij Rempel if (unlikely(ret)) {
4848badb50cSOleksij Rempel ath_dbg(common, WMI, "REGISTER RMW FAILED:(0x%04x, %d)\n",
4858badb50cSOleksij Rempel reg_offset, ret);
4868badb50cSOleksij Rempel }
4878badb50cSOleksij Rempel }
4888badb50cSOleksij Rempel
ath9k_reg_rmw(void * hw_priv,u32 reg_offset,u32 set,u32 clr)489845e03c9SFelix Fietkau static u32 ath9k_reg_rmw(void *hw_priv, u32 reg_offset, u32 set, u32 clr)
490845e03c9SFelix Fietkau {
49150c8cd44SHimanshu Jha struct ath_hw *ah = hw_priv;
4928badb50cSOleksij Rempel struct ath_common *common = ath9k_hw_common(ah);
4938badb50cSOleksij Rempel struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
4948badb50cSOleksij Rempel
4958badb50cSOleksij Rempel if (test_bit(HTC_FWFLAG_NO_RMW, &priv->fw_flags)) {
496845e03c9SFelix Fietkau u32 val;
497845e03c9SFelix Fietkau
4988badb50cSOleksij Rempel val = REG_READ(ah, reg_offset);
499845e03c9SFelix Fietkau val &= ~clr;
500845e03c9SFelix Fietkau val |= set;
5018badb50cSOleksij Rempel REG_WRITE(ah, reg_offset, val);
5028badb50cSOleksij Rempel
5038badb50cSOleksij Rempel return 0;
5048badb50cSOleksij Rempel }
5058badb50cSOleksij Rempel
5068badb50cSOleksij Rempel if (atomic_read(&priv->wmi->m_rmw_cnt))
5078badb50cSOleksij Rempel ath9k_reg_rmw_buffer(hw_priv, reg_offset, set, clr);
5088badb50cSOleksij Rempel else
5098badb50cSOleksij Rempel ath9k_reg_rmw_single(hw_priv, reg_offset, set, clr);
5108badb50cSOleksij Rempel
5118badb50cSOleksij Rempel return 0;
512845e03c9SFelix Fietkau }
513845e03c9SFelix Fietkau
ath_usb_read_cachesize(struct ath_common * common,int * csz)514fb9987d0SSujith static void ath_usb_read_cachesize(struct ath_common *common, int *csz)
515fb9987d0SSujith {
516fb9987d0SSujith *csz = L1_CACHE_BYTES >> 2;
517fb9987d0SSujith }
518fb9987d0SSujith
ath_usb_eeprom_read(struct ath_common * common,u32 off,u16 * data)519fb9987d0SSujith static bool ath_usb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
520fb9987d0SSujith {
521fb9987d0SSujith struct ath_hw *ah = (struct ath_hw *) common->ah;
522fb9987d0SSujith
523fb9987d0SSujith (void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
524fb9987d0SSujith
525fb9987d0SSujith if (!ath9k_hw_wait(ah,
526b3a663f0SWenli Looi AR_EEPROM_STATUS_DATA(ah),
527fb9987d0SSujith AR_EEPROM_STATUS_DATA_BUSY |
528fb9987d0SSujith AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
529fb9987d0SSujith AH_WAIT_TIMEOUT))
530fb9987d0SSujith return false;
531fb9987d0SSujith
532b3a663f0SWenli Looi *data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA(ah)),
533fb9987d0SSujith AR_EEPROM_STATUS_DATA_VAL);
534fb9987d0SSujith
535fb9987d0SSujith return true;
536fb9987d0SSujith }
537fb9987d0SSujith
538fb9987d0SSujith static const struct ath_bus_ops ath9k_usb_bus_ops = {
539497ad9adSSujith .ath_bus_type = ATH_USB,
540fb9987d0SSujith .read_cachesize = ath_usb_read_cachesize,
541fb9987d0SSujith .eeprom_read = ath_usb_eeprom_read,
542fb9987d0SSujith };
543fb9987d0SSujith
ath9k_init_queues(struct ath9k_htc_priv * priv)544fb9987d0SSujith static int ath9k_init_queues(struct ath9k_htc_priv *priv)
545fb9987d0SSujith {
546fb9987d0SSujith struct ath_common *common = ath9k_hw_common(priv->ah);
547fb9987d0SSujith int i;
548fb9987d0SSujith
549fb9987d0SSujith for (i = 0; i < ARRAY_SIZE(priv->hwq_map); i++)
550fb9987d0SSujith priv->hwq_map[i] = -1;
551fb9987d0SSujith
552a099874eSOleksij Rempel priv->beacon.beaconq = ath9k_hw_beaconq_setup(priv->ah);
553a099874eSOleksij Rempel if (priv->beacon.beaconq == -1) {
5543800276aSJoe Perches ath_err(common, "Unable to setup BEACON xmit queue\n");
555ca74b83bSSujith goto err;
556ca74b83bSSujith }
557ca74b83bSSujith
558ca74b83bSSujith priv->cabq = ath9k_htc_cabq_setup(priv);
559ca74b83bSSujith if (priv->cabq == -1) {
5603800276aSJoe Perches ath_err(common, "Unable to setup CAB xmit queue\n");
561ca74b83bSSujith goto err;
562ca74b83bSSujith }
563ca74b83bSSujith
564bea843c7SSujith Manoharan if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_BE)) {
5653800276aSJoe Perches ath_err(common, "Unable to setup xmit queue for BE traffic\n");
566fb9987d0SSujith goto err;
567fb9987d0SSujith }
568fb9987d0SSujith
569bea843c7SSujith Manoharan if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_BK)) {
5703800276aSJoe Perches ath_err(common, "Unable to setup xmit queue for BK traffic\n");
571fb9987d0SSujith goto err;
572fb9987d0SSujith }
573bea843c7SSujith Manoharan if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_VI)) {
5743800276aSJoe Perches ath_err(common, "Unable to setup xmit queue for VI traffic\n");
575fb9987d0SSujith goto err;
576fb9987d0SSujith }
577bea843c7SSujith Manoharan if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_VO)) {
5783800276aSJoe Perches ath_err(common, "Unable to setup xmit queue for VO traffic\n");
579fb9987d0SSujith goto err;
580fb9987d0SSujith }
581fb9987d0SSujith
582fb9987d0SSujith return 0;
583fb9987d0SSujith
584fb9987d0SSujith err:
585fb9987d0SSujith return -EINVAL;
586fb9987d0SSujith }
587fb9987d0SSujith
ath9k_init_misc(struct ath9k_htc_priv * priv)588fb9987d0SSujith static void ath9k_init_misc(struct ath9k_htc_priv *priv)
589fb9987d0SSujith {
590fb9987d0SSujith struct ath_common *common = ath9k_hw_common(priv->ah);
591fb9987d0SSujith
592a72c9262SJoe Perches eth_broadcast_addr(common->bssidmask);
593fb9987d0SSujith
594e5ba18c6SOleksij Rempel common->last_rssi = ATH_RSSI_DUMMY_MARKER;
5959f01a84eSSujith priv->ah->opmode = NL80211_IFTYPE_STATION;
59688a2e3fbSOleksij Rempel
59788a2e3fbSOleksij Rempel priv->spec_priv.ah = priv->ah;
59888a2e3fbSOleksij Rempel priv->spec_priv.spec_config.enabled = 0;
599a534f3b6SNick Kossifidis priv->spec_priv.spec_config.short_repeat = true;
60088a2e3fbSOleksij Rempel priv->spec_priv.spec_config.count = 8;
60188a2e3fbSOleksij Rempel priv->spec_priv.spec_config.endless = false;
60288a2e3fbSOleksij Rempel priv->spec_priv.spec_config.period = 0x12;
60388a2e3fbSOleksij Rempel priv->spec_priv.spec_config.fft_period = 0x02;
604fb9987d0SSujith }
605fb9987d0SSujith
ath9k_init_priv(struct ath9k_htc_priv * priv,u16 devid,char * product,u32 drv_info)60621cb9879SVivek Natarajan static int ath9k_init_priv(struct ath9k_htc_priv *priv,
607fa6e15e0SRajkumar Manoharan u16 devid, char *product,
608fa6e15e0SRajkumar Manoharan u32 drv_info)
609fb9987d0SSujith {
610fb9987d0SSujith struct ath_hw *ah = NULL;
611fb9987d0SSujith struct ath_common *common;
612832f6a18SSujith Manoharan int i, ret = 0, csz = 0;
613fb9987d0SSujith
614fb9987d0SSujith ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
615fb9987d0SSujith if (!ah)
616fb9987d0SSujith return -ENOMEM;
617fb9987d0SSujith
61831f023a1SOleksij Rempel ah->dev = priv->dev;
619c393d179SMarek Puzyniak ah->hw = priv->hw;
620fb9987d0SSujith ah->hw_version.devid = devid;
6210b5ead91SSujith Manoharan ah->hw_version.usbdev = drv_info;
622f8afa42bSFelix Fietkau ah->ah_flags |= AH_USE_EEPROM;
623f9f84e96SFelix Fietkau ah->reg_ops.read = ath9k_regread;
624f9f84e96SFelix Fietkau ah->reg_ops.multi_read = ath9k_multi_regread;
625f9f84e96SFelix Fietkau ah->reg_ops.write = ath9k_regwrite;
626f9f84e96SFelix Fietkau ah->reg_ops.enable_write_buffer = ath9k_enable_regwrite_buffer;
627f9f84e96SFelix Fietkau ah->reg_ops.write_flush = ath9k_regwrite_flush;
6288badb50cSOleksij Rempel ah->reg_ops.enable_rmw_buffer = ath9k_enable_rmw_buffer;
6298badb50cSOleksij Rempel ah->reg_ops.rmw_flush = ath9k_reg_rmw_flush;
630845e03c9SFelix Fietkau ah->reg_ops.rmw = ath9k_reg_rmw;
631fb9987d0SSujith priv->ah = ah;
632fb9987d0SSujith
633fb9987d0SSujith common = ath9k_hw_common(ah);
634f9f84e96SFelix Fietkau common->ops = &ah->reg_ops;
63594cd95c2SOleksij Rempel common->ps_ops = &ath9k_htc_ps_ops;
636fb9987d0SSujith common->bus_ops = &ath9k_usb_bus_ops;
637fb9987d0SSujith common->ah = ah;
638fb9987d0SSujith common->hw = priv->hw;
639fb9987d0SSujith common->priv = priv;
640fb9987d0SSujith common->debug_mask = ath9k_debug;
6417f34778eSMohammed Shafi Shajakhan common->btcoex_enabled = ath9k_htc_btcoex_enable == 1;
64292c3f7efSOleksij Rempel set_bit(ATH_OP_INVALID, &common->op_flags);
643fb9987d0SSujith
644fb9987d0SSujith spin_lock_init(&priv->beacon_lock);
645658ef04fSSujith Manoharan spin_lock_init(&priv->tx.tx_lock);
646fb9987d0SSujith mutex_init(&priv->mutex);
647bde748a4SVivek Natarajan mutex_init(&priv->htc_pm_lock);
648f91a35b4SAllen Pais tasklet_setup(&priv->rx_tasklet, ath9k_rx_tasklet);
649f91a35b4SAllen Pais tasklet_setup(&priv->tx_failed_tasklet, ath9k_tx_failed_tasklet);
650a236254cSSujith Manoharan INIT_DELAYED_WORK(&priv->ani_work, ath9k_htc_ani_work);
651bde748a4SVivek Natarajan INIT_WORK(&priv->ps_work, ath9k_ps_work);
65273908674SSujith Manoharan INIT_WORK(&priv->fatal_work, ath9k_fatal_work);
6537ac76764SKees Cook timer_setup(&priv->tx.cleanup_timer, ath9k_htc_tx_cleanup_timer, 0);
654fb9987d0SSujith
655fb9987d0SSujith /*
656fb9987d0SSujith * Cache line size is used to size and align various
657fb9987d0SSujith * structures used to communicate with the hardware.
658fb9987d0SSujith */
659fb9987d0SSujith ath_read_cachesize(common, &csz);
660fb9987d0SSujith common->cachelsz = csz << 2; /* convert to bytes */
661fb9987d0SSujith
662fb9987d0SSujith ret = ath9k_hw_init(ah);
663fb9987d0SSujith if (ret) {
6643800276aSJoe Perches ath_err(common,
6653800276aSJoe Perches "Unable to initialize hardware; initialization status: %d\n",
6663800276aSJoe Perches ret);
667fb9987d0SSujith goto err_hw;
668fb9987d0SSujith }
669fb9987d0SSujith
670fb9987d0SSujith ret = ath9k_init_queues(priv);
671fb9987d0SSujith if (ret)
672fb9987d0SSujith goto err_queues;
673fb9987d0SSujith
674832f6a18SSujith Manoharan for (i = 0; i < ATH9K_HTC_MAX_BCN_VIF; i++)
6753c4816d9SOleksij Rempel priv->beacon.bslot[i] = NULL;
67611b0ac2eSBenjamin Berg priv->beacon.slottime = 9;
677832f6a18SSujith Manoharan
67831f023a1SOleksij Rempel ath9k_cmn_init_channels_rates(common);
679f82b4bdeSRajkumar Manoharan ath9k_cmn_init_crypto(ah);
680fb9987d0SSujith ath9k_init_misc(priv);
681cee5341dSSujith Manoharan ath9k_htc_init_btcoex(priv, product);
68221cb9879SVivek Natarajan
683fb9987d0SSujith return 0;
684fb9987d0SSujith
685fb9987d0SSujith err_queues:
686fb9987d0SSujith ath9k_hw_deinit(ah);
687fb9987d0SSujith err_hw:
688fb9987d0SSujith
689fb9987d0SSujith kfree(ah);
690fb9987d0SSujith priv->ah = NULL;
691fb9987d0SSujith
692fb9987d0SSujith return ret;
693fb9987d0SSujith }
694fb9987d0SSujith
6958b0b6be5SMohammed Shafi Shajakhan static const struct ieee80211_iface_limit if_limits[] = {
6968b0b6be5SMohammed Shafi Shajakhan { .max = 2, .types = BIT(NL80211_IFTYPE_STATION) |
6978b0b6be5SMohammed Shafi Shajakhan BIT(NL80211_IFTYPE_P2P_CLIENT) },
6988b0b6be5SMohammed Shafi Shajakhan { .max = 2, .types = BIT(NL80211_IFTYPE_AP) |
6990c9acaa8SThomas Pedersen #ifdef CONFIG_MAC80211_MESH
7000c9acaa8SThomas Pedersen BIT(NL80211_IFTYPE_MESH_POINT) |
7010c9acaa8SThomas Pedersen #endif
7020c9acaa8SThomas Pedersen BIT(NL80211_IFTYPE_P2P_GO) },
7038b0b6be5SMohammed Shafi Shajakhan };
7048b0b6be5SMohammed Shafi Shajakhan
7058b0b6be5SMohammed Shafi Shajakhan static const struct ieee80211_iface_combination if_comb = {
7068b0b6be5SMohammed Shafi Shajakhan .limits = if_limits,
7078b0b6be5SMohammed Shafi Shajakhan .n_limits = ARRAY_SIZE(if_limits),
7088b0b6be5SMohammed Shafi Shajakhan .max_interfaces = 2,
7098b0b6be5SMohammed Shafi Shajakhan .num_different_channels = 1,
7108b0b6be5SMohammed Shafi Shajakhan };
7118b0b6be5SMohammed Shafi Shajakhan
ath9k_set_hw_capab(struct ath9k_htc_priv * priv,struct ieee80211_hw * hw)712fb9987d0SSujith static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
713fb9987d0SSujith struct ieee80211_hw *hw)
714fb9987d0SSujith {
715e9fb5888SOleksij Rempel struct ath_hw *ah = priv->ah;
716fb9987d0SSujith struct ath_common *common = ath9k_hw_common(priv->ah);
717156652bbSBen Greear struct base_eep_header *pBase;
718fb9987d0SSujith
71930686bf7SJohannes Berg ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING);
72030686bf7SJohannes Berg ieee80211_hw_set(hw, MFP_CAPABLE);
72130686bf7SJohannes Berg ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
72230686bf7SJohannes Berg ieee80211_hw_set(hw, PS_NULLFUNC_STACK);
72330686bf7SJohannes Berg ieee80211_hw_set(hw, RX_INCLUDES_FCS);
72430686bf7SJohannes Berg ieee80211_hw_set(hw, HAS_RATE_CONTROL);
72530686bf7SJohannes Berg ieee80211_hw_set(hw, SPECTRUM_MGMT);
72630686bf7SJohannes Berg ieee80211_hw_set(hw, SIGNAL_DBM);
72730686bf7SJohannes Berg ieee80211_hw_set(hw, AMPDU_AGGREGATION);
72860b01bccSJohannes Berg ieee80211_hw_set(hw, DOESNT_SUPPORT_QOS_NDP);
729fb9987d0SSujith
7306bca610dSOleksij Rempel if (ath9k_ps_enable)
73130686bf7SJohannes Berg ieee80211_hw_set(hw, SUPPORTS_PS);
7326bca610dSOleksij Rempel
733fb9987d0SSujith hw->wiphy->interface_modes =
734fb9987d0SSujith BIT(NL80211_IFTYPE_STATION) |
73509d5b94dSSujith Manoharan BIT(NL80211_IFTYPE_ADHOC) |
73609d5b94dSSujith Manoharan BIT(NL80211_IFTYPE_AP) |
73709d5b94dSSujith Manoharan BIT(NL80211_IFTYPE_P2P_GO) |
738594e65b6SJavier Cardona BIT(NL80211_IFTYPE_P2P_CLIENT) |
739862a336cSJan Kaisrlik BIT(NL80211_IFTYPE_MESH_POINT) |
740862a336cSJan Kaisrlik BIT(NL80211_IFTYPE_OCB);
741fb9987d0SSujith
7428b0b6be5SMohammed Shafi Shajakhan hw->wiphy->iface_combinations = &if_comb;
7438b0b6be5SMohammed Shafi Shajakhan hw->wiphy->n_iface_combinations = 1;
7448b0b6be5SMohammed Shafi Shajakhan
745bde748a4SVivek Natarajan hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
746bde748a4SVivek Natarajan
74781ddbb5cSJohannes Berg hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN |
748f0e44962SChun-Yeow Yeoh WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
749f0e44962SChun-Yeow Yeoh WIPHY_FLAG_HAS_CHANNEL_SWITCH;
750d7d312caSAntonio Quartulli
751ba1fa3cdSCsaba Kiraly hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
752ba1fa3cdSCsaba Kiraly
753fb9987d0SSujith hw->queues = 4;
754fb1c078eSSujith Manoharan hw->max_listen_interval = 1;
7553a0593efSSujith Manoharan
756fb9987d0SSujith hw->vif_data_size = sizeof(struct ath9k_htc_vif);
757fb9987d0SSujith hw->sta_data_size = sizeof(struct ath9k_htc_sta);
758fb9987d0SSujith
759fb9987d0SSujith /* tx_frame_hdr is larger than tx_mgmt_hdr anyway */
760fb9987d0SSujith hw->extra_tx_headroom = sizeof(struct tx_frame_hdr) +
761fb9987d0SSujith sizeof(struct htc_frame_hdr) + 4;
762fb9987d0SSujith
763d4659912SFelix Fietkau if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
76457fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_2GHZ] =
76557fbcce3SJohannes Berg &common->sbands[NL80211_BAND_2GHZ];
766d4659912SFelix Fietkau if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
76757fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ] =
76857fbcce3SJohannes Berg &common->sbands[NL80211_BAND_5GHZ];
769fb9987d0SSujith
7706da2f4adSOleksij Rempel ath9k_cmn_reload_chainmask(ah);
771fb9987d0SSujith
772156652bbSBen Greear pBase = ath9k_htc_get_eeprom_base(priv);
773156652bbSBen Greear if (pBase) {
774156652bbSBen Greear hw->wiphy->available_antennas_rx = pBase->rxMask;
775156652bbSBen Greear hw->wiphy->available_antennas_tx = pBase->txMask;
776156652bbSBen Greear }
777156652bbSBen Greear
778fb9987d0SSujith SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
779ae44b502SAndrew Zaborowski
780ae44b502SAndrew Zaborowski wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
7812a9311b5SJouni Malinen wiphy_ext_feature_set(hw->wiphy,
7822a9311b5SJouni Malinen NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS);
783fb9987d0SSujith }
784fb9987d0SSujith
ath9k_init_firmware_version(struct ath9k_htc_priv * priv)78529bbfb24SSujith Manoharan static int ath9k_init_firmware_version(struct ath9k_htc_priv *priv)
78629bbfb24SSujith Manoharan {
78729bbfb24SSujith Manoharan struct ieee80211_hw *hw = priv->hw;
78829bbfb24SSujith Manoharan struct wmi_fw_version cmd_rsp;
78929bbfb24SSujith Manoharan int ret;
79029bbfb24SSujith Manoharan
79129bbfb24SSujith Manoharan memset(&cmd_rsp, 0, sizeof(cmd_rsp));
79229bbfb24SSujith Manoharan
79329bbfb24SSujith Manoharan WMI_CMD(WMI_GET_FW_VERSION);
79429bbfb24SSujith Manoharan if (ret)
79529bbfb24SSujith Manoharan return -EINVAL;
79629bbfb24SSujith Manoharan
79729bbfb24SSujith Manoharan priv->fw_version_major = be16_to_cpu(cmd_rsp.major);
79829bbfb24SSujith Manoharan priv->fw_version_minor = be16_to_cpu(cmd_rsp.minor);
79929bbfb24SSujith Manoharan
80081135548SJiri Pirko snprintf(hw->wiphy->fw_version, sizeof(hw->wiphy->fw_version), "%d.%d",
80129bbfb24SSujith Manoharan priv->fw_version_major,
80229bbfb24SSujith Manoharan priv->fw_version_minor);
80329bbfb24SSujith Manoharan
80429bbfb24SSujith Manoharan dev_info(priv->dev, "ath9k_htc: FW Version: %d.%d\n",
80529bbfb24SSujith Manoharan priv->fw_version_major,
80629bbfb24SSujith Manoharan priv->fw_version_minor);
80729bbfb24SSujith Manoharan
8083a0593efSSujith Manoharan /*
8093a0593efSSujith Manoharan * Check if the available FW matches the driver's
8103a0593efSSujith Manoharan * required version.
8113a0593efSSujith Manoharan */
8123a0593efSSujith Manoharan if (priv->fw_version_major != MAJOR_VERSION_REQ ||
813319e7bd9SFelix Fietkau priv->fw_version_minor < MINOR_VERSION_REQ) {
8143a0593efSSujith Manoharan dev_err(priv->dev, "ath9k_htc: Please upgrade to FW version %d.%d\n",
8153a0593efSSujith Manoharan MAJOR_VERSION_REQ, MINOR_VERSION_REQ);
8163a0593efSSujith Manoharan return -EINVAL;
8173a0593efSSujith Manoharan }
8183a0593efSSujith Manoharan
8198badb50cSOleksij Rempel if (priv->fw_version_major == 1 && priv->fw_version_minor < 4)
8208badb50cSOleksij Rempel set_bit(HTC_FWFLAG_NO_RMW, &priv->fw_flags);
8218badb50cSOleksij Rempel
8228badb50cSOleksij Rempel dev_info(priv->dev, "FW RMW support: %s\n",
8238badb50cSOleksij Rempel test_bit(HTC_FWFLAG_NO_RMW, &priv->fw_flags) ? "Off" : "On");
8248badb50cSOleksij Rempel
82529bbfb24SSujith Manoharan return 0;
82629bbfb24SSujith Manoharan }
82729bbfb24SSujith Manoharan
ath9k_init_device(struct ath9k_htc_priv * priv,u16 devid,char * product,u32 drv_info)82821cb9879SVivek Natarajan static int ath9k_init_device(struct ath9k_htc_priv *priv,
829fa6e15e0SRajkumar Manoharan u16 devid, char *product, u32 drv_info)
830fb9987d0SSujith {
831fb9987d0SSujith struct ieee80211_hw *hw = priv->hw;
832fb9987d0SSujith struct ath_common *common;
833fb9987d0SSujith struct ath_hw *ah;
834fb9987d0SSujith int error = 0;
835fb9987d0SSujith struct ath_regulatory *reg;
8363e3f1d19SSujith Manoharan char hw_name[64];
837fb9987d0SSujith
838fb9987d0SSujith /* Bring up device */
839fa6e15e0SRajkumar Manoharan error = ath9k_init_priv(priv, devid, product, drv_info);
840fb9987d0SSujith if (error != 0)
841fb9987d0SSujith goto err_init;
842fb9987d0SSujith
843fb9987d0SSujith ah = priv->ah;
844fb9987d0SSujith common = ath9k_hw_common(ah);
845fb9987d0SSujith ath9k_set_hw_capab(priv, hw);
846fb9987d0SSujith
84729bbfb24SSujith Manoharan error = ath9k_init_firmware_version(priv);
84829bbfb24SSujith Manoharan if (error != 0)
84929bbfb24SSujith Manoharan goto err_fw;
85029bbfb24SSujith Manoharan
851fb9987d0SSujith /* Initialize regulatory */
852fb9987d0SSujith error = ath_regd_init(&common->regulatory, priv->hw->wiphy,
853fb9987d0SSujith ath9k_reg_notifier);
854fb9987d0SSujith if (error)
855fb9987d0SSujith goto err_regd;
856fb9987d0SSujith
857fb9987d0SSujith reg = &common->regulatory;
858fb9987d0SSujith
859fb9987d0SSujith /* Setup TX */
860fb9987d0SSujith error = ath9k_tx_init(priv);
861fb9987d0SSujith if (error != 0)
862fb9987d0SSujith goto err_tx;
863fb9987d0SSujith
864fb9987d0SSujith /* Setup RX */
865fb9987d0SSujith error = ath9k_rx_init(priv);
866fb9987d0SSujith if (error != 0)
867fb9987d0SSujith goto err_rx;
868fb9987d0SSujith
869dc2a87f5SOleksij Rempel ath9k_hw_disable(priv->ah);
870d244f21eSSujith Manoharan #ifdef CONFIG_MAC80211_LEDS
871d244f21eSSujith Manoharan /* must be initialized before ieee80211_register_hw */
872d244f21eSSujith Manoharan priv->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(priv->hw,
873d244f21eSSujith Manoharan IEEE80211_TPT_LEDTRIG_FL_RADIO, ath9k_htc_tpt_blink,
874d244f21eSSujith Manoharan ARRAY_SIZE(ath9k_htc_tpt_blink));
875d244f21eSSujith Manoharan #endif
876d244f21eSSujith Manoharan
877fb9987d0SSujith /* Register with mac80211 */
878fb9987d0SSujith error = ieee80211_register_hw(hw);
879fb9987d0SSujith if (error)
880fb9987d0SSujith goto err_register;
881fb9987d0SSujith
882fb9987d0SSujith /* Handle world regulatory */
883fb9987d0SSujith if (!ath_is_world_regd(reg)) {
884fb9987d0SSujith error = regulatory_hint(hw->wiphy, reg->alpha2);
885fb9987d0SSujith if (error)
886fb9987d0SSujith goto err_world;
887fb9987d0SSujith }
888fb9987d0SSujith
889e5facc75SRajkumar Manoharan error = ath9k_htc_init_debug(priv->ah);
890e5facc75SRajkumar Manoharan if (error) {
891e5facc75SRajkumar Manoharan ath_err(common, "Unable to create debugfs files\n");
892e5facc75SRajkumar Manoharan goto err_world;
893e5facc75SRajkumar Manoharan }
894e5facc75SRajkumar Manoharan
895d2182b69SJoe Perches ath_dbg(common, CONFIG,
896d2182b69SJoe Perches "WMI:%d, BCN:%d, CAB:%d, UAPSD:%d, MGMT:%d, BE:%d, BK:%d, VI:%d, VO:%d\n",
8973e3f1d19SSujith Manoharan priv->wmi_cmd_ep,
8983e3f1d19SSujith Manoharan priv->beacon_ep,
8993e3f1d19SSujith Manoharan priv->cab_ep,
9003e3f1d19SSujith Manoharan priv->uapsd_ep,
9013e3f1d19SSujith Manoharan priv->mgmt_ep,
9023e3f1d19SSujith Manoharan priv->data_be_ep,
9033e3f1d19SSujith Manoharan priv->data_bk_ep,
9043e3f1d19SSujith Manoharan priv->data_vi_ep,
9053e3f1d19SSujith Manoharan priv->data_vo_ep);
9063e3f1d19SSujith Manoharan
9073e3f1d19SSujith Manoharan ath9k_hw_name(priv->ah, hw_name, sizeof(hw_name));
9083e3f1d19SSujith Manoharan wiphy_info(hw->wiphy, "%s\n", hw_name);
9093e3f1d19SSujith Manoharan
910fb9987d0SSujith ath9k_init_leds(priv);
911fb9987d0SSujith ath9k_start_rfkill_poll(priv);
912fb9987d0SSujith
913fb9987d0SSujith return 0;
914fb9987d0SSujith
915fb9987d0SSujith err_world:
916fb9987d0SSujith ieee80211_unregister_hw(hw);
917fb9987d0SSujith err_register:
918fb9987d0SSujith ath9k_rx_cleanup(priv);
919fb9987d0SSujith err_rx:
920fb9987d0SSujith ath9k_tx_cleanup(priv);
921fb9987d0SSujith err_tx:
922fb9987d0SSujith /* Nothing */
923fb9987d0SSujith err_regd:
92429bbfb24SSujith Manoharan /* Nothing */
92529bbfb24SSujith Manoharan err_fw:
926fb9987d0SSujith ath9k_deinit_priv(priv);
927fb9987d0SSujith err_init:
928fb9987d0SSujith return error;
929fb9987d0SSujith }
930fb9987d0SSujith
ath9k_htc_probe_device(struct htc_target * htc_handle,struct device * dev,u16 devid,char * product,u32 drv_info)931fb9987d0SSujith int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
932fa6e15e0SRajkumar Manoharan u16 devid, char *product, u32 drv_info)
933fb9987d0SSujith {
934abeaa850SQiujun Huang struct hif_device_usb *hif_dev;
935fb9987d0SSujith struct ath9k_htc_priv *priv;
936abeaa850SQiujun Huang struct ieee80211_hw *hw;
937fb9987d0SSujith int ret;
938fb9987d0SSujith
939fb9987d0SSujith hw = ieee80211_alloc_hw(sizeof(struct ath9k_htc_priv), &ath9k_htc_ops);
940fb9987d0SSujith if (!hw)
941fb9987d0SSujith return -ENOMEM;
942fb9987d0SSujith
943fb9987d0SSujith priv = hw->priv;
944fb9987d0SSujith priv->hw = hw;
945fb9987d0SSujith priv->htc = htc_handle;
946fb9987d0SSujith priv->dev = dev;
947fb9987d0SSujith SET_IEEE80211_DEV(hw, priv->dev);
948fb9987d0SSujith
949fb9987d0SSujith ret = ath9k_htc_wait_for_target(priv);
950fb9987d0SSujith if (ret)
951fb9987d0SSujith goto err_free;
952fb9987d0SSujith
953fb9987d0SSujith priv->wmi = ath9k_init_wmi(priv);
954fb9987d0SSujith if (!priv->wmi) {
955fb9987d0SSujith ret = -EINVAL;
956fb9987d0SSujith goto err_free;
957fb9987d0SSujith }
958fb9987d0SSujith
959fa6e15e0SRajkumar Manoharan ret = ath9k_init_htc_services(priv, devid, drv_info);
960fb9987d0SSujith if (ret)
961fb9987d0SSujith goto err_init;
962fb9987d0SSujith
963fa6e15e0SRajkumar Manoharan ret = ath9k_init_device(priv, devid, product, drv_info);
964fb9987d0SSujith if (ret)
965fb9987d0SSujith goto err_init;
966fb9987d0SSujith
9670ac4827fSPavel Skripkin htc_handle->drv_priv = priv;
9680ac4827fSPavel Skripkin
969*a015fbf6SToke Høiland-Jørgensen /* Allow ath9k_wmi_event_tasklet() to operate. */
970*a015fbf6SToke Høiland-Jørgensen smp_wmb();
971*a015fbf6SToke Høiland-Jørgensen priv->initialized = true;
972*a015fbf6SToke Høiland-Jørgensen
973fb9987d0SSujith return 0;
974fb9987d0SSujith
975fb9987d0SSujith err_init:
976abeaa850SQiujun Huang ath9k_stop_wmi(priv);
977abeaa850SQiujun Huang hif_dev = (struct hif_device_usb *)htc_handle->hif_dev;
978abeaa850SQiujun Huang ath9k_hif_usb_dealloc_urbs(hif_dev);
979743adae9SPavel Machek ath9k_destroy_wmi(priv);
980fb9987d0SSujith err_free:
981fb9987d0SSujith ieee80211_free_hw(hw);
982fb9987d0SSujith return ret;
983fb9987d0SSujith }
984fb9987d0SSujith
ath9k_htc_disconnect_device(struct htc_target * htc_handle,bool hotunplug)985fb9987d0SSujith void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug)
986fb9987d0SSujith {
987fb9987d0SSujith if (htc_handle->drv_priv) {
988a3be14b7SSujith
989a3be14b7SSujith /* Check if the device has been yanked out. */
990a3be14b7SSujith if (hotunplug)
99197dcec57SSujith Manoharan htc_handle->drv_priv->ah->ah_flags |= AH_UNPLUGGED;
992a3be14b7SSujith
993fb9987d0SSujith ath9k_deinit_device(htc_handle->drv_priv);
994abeaa850SQiujun Huang ath9k_stop_wmi(htc_handle->drv_priv);
995f099c5c9SMinsuk Kang ath9k_hif_usb_dealloc_urbs((struct hif_device_usb *)htc_handle->hif_dev);
996f099c5c9SMinsuk Kang ath9k_destroy_wmi(htc_handle->drv_priv);
997fb9987d0SSujith ieee80211_free_hw(htc_handle->drv_priv->hw);
998fb9987d0SSujith }
999fb9987d0SSujith }
1000fb9987d0SSujith
1001fb9987d0SSujith #ifdef CONFIG_PM
1002f933ebedSSujith Manoharan
ath9k_htc_suspend(struct htc_target * htc_handle)1003f933ebedSSujith Manoharan void ath9k_htc_suspend(struct htc_target *htc_handle)
1004f933ebedSSujith Manoharan {
1005f933ebedSSujith Manoharan ath9k_htc_setpower(htc_handle->drv_priv, ATH9K_PM_FULL_SLEEP);
1006f933ebedSSujith Manoharan }
1007f933ebedSSujith Manoharan
ath9k_htc_resume(struct htc_target * htc_handle)1008fb9987d0SSujith int ath9k_htc_resume(struct htc_target *htc_handle)
1009fb9987d0SSujith {
1010fa6e15e0SRajkumar Manoharan struct ath9k_htc_priv *priv = htc_handle->drv_priv;
1011fb9987d0SSujith int ret;
1012fb9987d0SSujith
1013fa6e15e0SRajkumar Manoharan ret = ath9k_htc_wait_for_target(priv);
1014fb9987d0SSujith if (ret)
1015fb9987d0SSujith return ret;
1016fb9987d0SSujith
1017fa6e15e0SRajkumar Manoharan ret = ath9k_init_htc_services(priv, priv->ah->hw_version.devid,
10180b5ead91SSujith Manoharan priv->ah->hw_version.usbdev);
10191e51acaaSOleksij Rempel ath9k_configure_leds(priv);
10201e51acaaSOleksij Rempel
1021fb9987d0SSujith return ret;
1022fb9987d0SSujith }
1023fb9987d0SSujith #endif
1024fb9987d0SSujith
ath9k_htc_init(void)1025fb9987d0SSujith static int __init ath9k_htc_init(void)
1026fb9987d0SSujith {
1027e5facc75SRajkumar Manoharan if (ath9k_hif_usb_init() < 0) {
1028516304b0SJoe Perches pr_err("No USB devices found, driver not installed\n");
1029e5facc75SRajkumar Manoharan return -ENODEV;
1030fb9987d0SSujith }
1031fb9987d0SSujith
1032fb9987d0SSujith return 0;
1033fb9987d0SSujith }
1034fb9987d0SSujith module_init(ath9k_htc_init);
1035fb9987d0SSujith
ath9k_htc_exit(void)1036fb9987d0SSujith static void __exit ath9k_htc_exit(void)
1037fb9987d0SSujith {
1038fb9987d0SSujith ath9k_hif_usb_exit();
1039516304b0SJoe Perches pr_info("Driver unloaded\n");
1040fb9987d0SSujith }
1041fb9987d0SSujith module_exit(ath9k_htc_exit);
1042