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 41d244f21eSSujith Manoharan #ifdef CONFIG_MAC80211_LEDS 42d244f21eSSujith Manoharan static const struct ieee80211_tpt_blink ath9k_htc_tpt_blink[] = { 43d244f21eSSujith Manoharan { .throughput = 0 * 1024, .blink_time = 334 }, 44d244f21eSSujith Manoharan { .throughput = 1 * 1024, .blink_time = 260 }, 45d244f21eSSujith Manoharan { .throughput = 5 * 1024, .blink_time = 220 }, 46d244f21eSSujith Manoharan { .throughput = 10 * 1024, .blink_time = 190 }, 47d244f21eSSujith Manoharan { .throughput = 20 * 1024, .blink_time = 170 }, 48d244f21eSSujith Manoharan { .throughput = 50 * 1024, .blink_time = 150 }, 49d244f21eSSujith Manoharan { .throughput = 70 * 1024, .blink_time = 130 }, 50d244f21eSSujith Manoharan { .throughput = 100 * 1024, .blink_time = 110 }, 51d244f21eSSujith Manoharan { .throughput = 200 * 1024, .blink_time = 80 }, 52d244f21eSSujith Manoharan { .throughput = 300 * 1024, .blink_time = 50 }, 53d244f21eSSujith Manoharan }; 54d244f21eSSujith Manoharan #endif 55d244f21eSSujith Manoharan 56fb9987d0SSujith static int ath9k_htc_wait_for_target(struct ath9k_htc_priv *priv) 57fb9987d0SSujith { 58fb9987d0SSujith int time_left; 59fb9987d0SSujith 60d8c49ffbSSujith.Manoharan@atheros.com if (atomic_read(&priv->htc->tgt_ready) > 0) { 61d8c49ffbSSujith.Manoharan@atheros.com atomic_dec(&priv->htc->tgt_ready); 62d8c49ffbSSujith.Manoharan@atheros.com return 0; 63d8c49ffbSSujith.Manoharan@atheros.com } 64d8c49ffbSSujith.Manoharan@atheros.com 65fb9987d0SSujith /* Firmware can take up to 50ms to get ready, to be safe use 1 second */ 66fb9987d0SSujith time_left = wait_for_completion_timeout(&priv->htc->target_wait, HZ); 67fb9987d0SSujith if (!time_left) { 68fb9987d0SSujith dev_err(priv->dev, "ath9k_htc: Target is unresponsive\n"); 69fb9987d0SSujith return -ETIMEDOUT; 70fb9987d0SSujith } 71fb9987d0SSujith 72d8c49ffbSSujith.Manoharan@atheros.com atomic_dec(&priv->htc->tgt_ready); 73d8c49ffbSSujith.Manoharan@atheros.com 74fb9987d0SSujith return 0; 75fb9987d0SSujith } 76fb9987d0SSujith 77fb9987d0SSujith static void ath9k_deinit_priv(struct ath9k_htc_priv *priv) 78fb9987d0SSujith { 79fb9987d0SSujith ath9k_hw_deinit(priv->ah); 80fb9987d0SSujith kfree(priv->ah); 81fb9987d0SSujith priv->ah = NULL; 82fb9987d0SSujith } 83fb9987d0SSujith 84fb9987d0SSujith static void ath9k_deinit_device(struct ath9k_htc_priv *priv) 85fb9987d0SSujith { 86fb9987d0SSujith struct ieee80211_hw *hw = priv->hw; 87fb9987d0SSujith 88fb9987d0SSujith wiphy_rfkill_stop_polling(hw->wiphy); 89fb9987d0SSujith ath9k_deinit_leds(priv); 90fb9987d0SSujith ieee80211_unregister_hw(hw); 91fb9987d0SSujith ath9k_rx_cleanup(priv); 92fb9987d0SSujith ath9k_tx_cleanup(priv); 93fb9987d0SSujith ath9k_deinit_priv(priv); 94fb9987d0SSujith } 95fb9987d0SSujith 96fb9987d0SSujith static inline int ath9k_htc_connect_svc(struct ath9k_htc_priv *priv, 97fb9987d0SSujith u16 service_id, 98fb9987d0SSujith void (*tx) (void *, 99fb9987d0SSujith struct sk_buff *, 100fb9987d0SSujith enum htc_endpoint_id, 101fb9987d0SSujith bool txok), 102fb9987d0SSujith enum htc_endpoint_id *ep_id) 103fb9987d0SSujith { 104fb9987d0SSujith struct htc_service_connreq req; 105fb9987d0SSujith 106fb9987d0SSujith memset(&req, 0, sizeof(struct htc_service_connreq)); 107fb9987d0SSujith 108fb9987d0SSujith req.service_id = service_id; 109fb9987d0SSujith req.ep_callbacks.priv = priv; 110fb9987d0SSujith req.ep_callbacks.rx = ath9k_htc_rxep; 111fb9987d0SSujith req.ep_callbacks.tx = tx; 112fb9987d0SSujith 113fb9987d0SSujith return htc_connect_service(priv->htc, &req, ep_id); 114fb9987d0SSujith } 115fb9987d0SSujith 116fa6e15e0SRajkumar Manoharan static int ath9k_init_htc_services(struct ath9k_htc_priv *priv, u16 devid, 117fa6e15e0SRajkumar Manoharan u32 drv_info) 118fb9987d0SSujith { 119fb9987d0SSujith int ret; 120fb9987d0SSujith 121fb9987d0SSujith /* WMI CMD*/ 122fb9987d0SSujith ret = ath9k_wmi_connect(priv->htc, priv->wmi, &priv->wmi_cmd_ep); 123fb9987d0SSujith if (ret) 124fb9987d0SSujith goto err; 125fb9987d0SSujith 126fb9987d0SSujith /* Beacon */ 1279c6dda4eSSujith ret = ath9k_htc_connect_svc(priv, WMI_BEACON_SVC, ath9k_htc_beaconep, 128fb9987d0SSujith &priv->beacon_ep); 129fb9987d0SSujith if (ret) 130fb9987d0SSujith goto err; 131fb9987d0SSujith 132fb9987d0SSujith /* CAB */ 133fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_CAB_SVC, ath9k_htc_txep, 134fb9987d0SSujith &priv->cab_ep); 135fb9987d0SSujith if (ret) 136fb9987d0SSujith goto err; 137fb9987d0SSujith 138fb9987d0SSujith 139fb9987d0SSujith /* UAPSD */ 140fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_UAPSD_SVC, ath9k_htc_txep, 141fb9987d0SSujith &priv->uapsd_ep); 142fb9987d0SSujith if (ret) 143fb9987d0SSujith goto err; 144fb9987d0SSujith 145fb9987d0SSujith /* MGMT */ 146fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_MGMT_SVC, ath9k_htc_txep, 147fb9987d0SSujith &priv->mgmt_ep); 148fb9987d0SSujith if (ret) 149fb9987d0SSujith goto err; 150fb9987d0SSujith 151fb9987d0SSujith /* DATA BE */ 152fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_DATA_BE_SVC, ath9k_htc_txep, 153fb9987d0SSujith &priv->data_be_ep); 154fb9987d0SSujith if (ret) 155fb9987d0SSujith goto err; 156fb9987d0SSujith 157fb9987d0SSujith /* DATA BK */ 158fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_DATA_BK_SVC, ath9k_htc_txep, 159fb9987d0SSujith &priv->data_bk_ep); 160fb9987d0SSujith if (ret) 161fb9987d0SSujith goto err; 162fb9987d0SSujith 163fb9987d0SSujith /* DATA VI */ 164fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_DATA_VI_SVC, ath9k_htc_txep, 165fb9987d0SSujith &priv->data_vi_ep); 166fb9987d0SSujith if (ret) 167fb9987d0SSujith goto err; 168fb9987d0SSujith 169fb9987d0SSujith /* DATA VO */ 170fb9987d0SSujith ret = ath9k_htc_connect_svc(priv, WMI_DATA_VO_SVC, ath9k_htc_txep, 171fb9987d0SSujith &priv->data_vo_ep); 172fb9987d0SSujith if (ret) 173fb9987d0SSujith goto err; 174fb9987d0SSujith 1756267dc70SSujith /* 1766267dc70SSujith * Setup required credits before initializing HTC. 1776267dc70SSujith * This is a bit hacky, but, since queuing is done in 1786267dc70SSujith * the HIF layer, shouldn't matter much. 1796267dc70SSujith */ 1806267dc70SSujith 1810b5ead91SSujith Manoharan if (IS_AR7010_DEVICE(drv_info)) 182d108e8b9SSujith Manoharan priv->htc->credits = 45; 183fa6e15e0SRajkumar Manoharan else 1844e63f768SSujith priv->htc->credits = 33; 1856267dc70SSujith 186fb9987d0SSujith ret = htc_init(priv->htc); 187fb9987d0SSujith if (ret) 188fb9987d0SSujith goto err; 189fb9987d0SSujith 1906267dc70SSujith dev_info(priv->dev, "ath9k_htc: HTC initialized with %d credits\n", 1916267dc70SSujith priv->htc->credits); 1926267dc70SSujith 193fb9987d0SSujith return 0; 194fb9987d0SSujith 195fb9987d0SSujith err: 196fb9987d0SSujith dev_err(priv->dev, "ath9k_htc: Unable to initialize HTC services\n"); 197fb9987d0SSujith return ret; 198fb9987d0SSujith } 199fb9987d0SSujith 2000c0280bdSLuis R. Rodriguez static void ath9k_reg_notifier(struct wiphy *wiphy, 201fb9987d0SSujith struct regulatory_request *request) 202fb9987d0SSujith { 203fb9987d0SSujith struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 204fb9987d0SSujith struct ath9k_htc_priv *priv = hw->priv; 205fb9987d0SSujith 2060c0280bdSLuis R. Rodriguez ath_reg_notifier_apply(wiphy, request, 207fb9987d0SSujith ath9k_hw_regulatory(priv->ah)); 208fb9987d0SSujith } 209fb9987d0SSujith 2104a22fe10SSujith static unsigned int ath9k_regread(void *hw_priv, u32 reg_offset) 211fb9987d0SSujith { 212fb9987d0SSujith struct ath_hw *ah = (struct ath_hw *) hw_priv; 213fb9987d0SSujith struct ath_common *common = ath9k_hw_common(ah); 214fb9987d0SSujith struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; 215fb9987d0SSujith __be32 val, reg = cpu_to_be32(reg_offset); 216fb9987d0SSujith int r; 217fb9987d0SSujith 218fb9987d0SSujith r = ath9k_wmi_cmd(priv->wmi, WMI_REG_READ_CMDID, 219fb9987d0SSujith (u8 *) ®, sizeof(reg), 220fb9987d0SSujith (u8 *) &val, sizeof(val), 221fb9987d0SSujith 100); 222fb9987d0SSujith if (unlikely(r)) { 223d2182b69SJoe Perches ath_dbg(common, WMI, "REGISTER READ FAILED: (0x%04x, %d)\n", 224fb9987d0SSujith reg_offset, r); 225fb9987d0SSujith return -EIO; 226fb9987d0SSujith } 227fb9987d0SSujith 228fb9987d0SSujith return be32_to_cpu(val); 229fb9987d0SSujith } 230fb9987d0SSujith 23109a525d3SSujith Manoharan static void ath9k_multi_regread(void *hw_priv, u32 *addr, 23209a525d3SSujith Manoharan u32 *val, u16 count) 23309a525d3SSujith Manoharan { 23409a525d3SSujith Manoharan struct ath_hw *ah = (struct ath_hw *) hw_priv; 23509a525d3SSujith Manoharan struct ath_common *common = ath9k_hw_common(ah); 23609a525d3SSujith Manoharan struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; 23709a525d3SSujith Manoharan __be32 tmpaddr[8]; 23809a525d3SSujith Manoharan __be32 tmpval[8]; 23909a525d3SSujith Manoharan int i, ret; 24009a525d3SSujith Manoharan 24109a525d3SSujith Manoharan for (i = 0; i < count; i++) { 24209a525d3SSujith Manoharan tmpaddr[i] = cpu_to_be32(addr[i]); 24309a525d3SSujith Manoharan } 24409a525d3SSujith Manoharan 24509a525d3SSujith Manoharan ret = ath9k_wmi_cmd(priv->wmi, WMI_REG_READ_CMDID, 24609a525d3SSujith Manoharan (u8 *)tmpaddr , sizeof(u32) * count, 24709a525d3SSujith Manoharan (u8 *)tmpval, sizeof(u32) * count, 24809a525d3SSujith Manoharan 100); 24909a525d3SSujith Manoharan if (unlikely(ret)) { 250d2182b69SJoe Perches ath_dbg(common, WMI, 25109a525d3SSujith Manoharan "Multiple REGISTER READ FAILED (count: %d)\n", count); 25209a525d3SSujith Manoharan } 25309a525d3SSujith Manoharan 25409a525d3SSujith Manoharan for (i = 0; i < count; i++) { 25509a525d3SSujith Manoharan val[i] = be32_to_cpu(tmpval[i]); 25609a525d3SSujith Manoharan } 25709a525d3SSujith Manoharan } 25809a525d3SSujith Manoharan 2594a22fe10SSujith static void ath9k_regwrite_single(void *hw_priv, u32 val, u32 reg_offset) 260fb9987d0SSujith { 261fb9987d0SSujith struct ath_hw *ah = (struct ath_hw *) hw_priv; 262fb9987d0SSujith struct ath_common *common = ath9k_hw_common(ah); 263fb9987d0SSujith struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; 26407b2fa5aSJoe Perches const __be32 buf[2] = { 265fb9987d0SSujith cpu_to_be32(reg_offset), 266fb9987d0SSujith cpu_to_be32(val), 267fb9987d0SSujith }; 268fb9987d0SSujith int r; 269fb9987d0SSujith 270fb9987d0SSujith r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID, 271fb9987d0SSujith (u8 *) &buf, sizeof(buf), 272fb9987d0SSujith (u8 *) &val, sizeof(val), 273fb9987d0SSujith 100); 274fb9987d0SSujith if (unlikely(r)) { 275d2182b69SJoe Perches ath_dbg(common, WMI, "REGISTER WRITE FAILED:(0x%04x, %d)\n", 276fb9987d0SSujith reg_offset, r); 277fb9987d0SSujith } 278fb9987d0SSujith } 279fb9987d0SSujith 2804a22fe10SSujith static void ath9k_regwrite_buffer(void *hw_priv, u32 val, u32 reg_offset) 2814a22fe10SSujith { 2824a22fe10SSujith struct ath_hw *ah = (struct ath_hw *) hw_priv; 2834a22fe10SSujith struct ath_common *common = ath9k_hw_common(ah); 2844a22fe10SSujith struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; 2854a22fe10SSujith u32 rsp_status; 2864a22fe10SSujith int r; 2874a22fe10SSujith 2884a22fe10SSujith mutex_lock(&priv->wmi->multi_write_mutex); 2894a22fe10SSujith 2904a22fe10SSujith /* Store the register/value */ 2914a22fe10SSujith priv->wmi->multi_write[priv->wmi->multi_write_idx].reg = 2924a22fe10SSujith cpu_to_be32(reg_offset); 2934a22fe10SSujith priv->wmi->multi_write[priv->wmi->multi_write_idx].val = 2944a22fe10SSujith cpu_to_be32(val); 2954a22fe10SSujith 2964a22fe10SSujith priv->wmi->multi_write_idx++; 2974a22fe10SSujith 2984a22fe10SSujith /* If the buffer is full, send it out. */ 2994a22fe10SSujith if (priv->wmi->multi_write_idx == MAX_CMD_NUMBER) { 3004a22fe10SSujith r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID, 3014a22fe10SSujith (u8 *) &priv->wmi->multi_write, 3024a22fe10SSujith sizeof(struct register_write) * priv->wmi->multi_write_idx, 3034a22fe10SSujith (u8 *) &rsp_status, sizeof(rsp_status), 3044a22fe10SSujith 100); 3054a22fe10SSujith if (unlikely(r)) { 306d2182b69SJoe Perches ath_dbg(common, WMI, 3074a22fe10SSujith "REGISTER WRITE FAILED, multi len: %d\n", 3084a22fe10SSujith priv->wmi->multi_write_idx); 3094a22fe10SSujith } 3104a22fe10SSujith priv->wmi->multi_write_idx = 0; 3114a22fe10SSujith } 3124a22fe10SSujith 3134a22fe10SSujith mutex_unlock(&priv->wmi->multi_write_mutex); 3144a22fe10SSujith } 3154a22fe10SSujith 3164a22fe10SSujith static void ath9k_regwrite(void *hw_priv, u32 val, u32 reg_offset) 3174a22fe10SSujith { 3184a22fe10SSujith struct ath_hw *ah = (struct ath_hw *) hw_priv; 3194a22fe10SSujith struct ath_common *common = ath9k_hw_common(ah); 3204a22fe10SSujith struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; 3214a22fe10SSujith 3224a22fe10SSujith if (atomic_read(&priv->wmi->mwrite_cnt)) 3234a22fe10SSujith ath9k_regwrite_buffer(hw_priv, val, reg_offset); 3244a22fe10SSujith else 3254a22fe10SSujith ath9k_regwrite_single(hw_priv, val, reg_offset); 3264a22fe10SSujith } 3274a22fe10SSujith 3284a22fe10SSujith static void ath9k_enable_regwrite_buffer(void *hw_priv) 3294a22fe10SSujith { 3304a22fe10SSujith struct ath_hw *ah = (struct ath_hw *) hw_priv; 3314a22fe10SSujith struct ath_common *common = ath9k_hw_common(ah); 3324a22fe10SSujith struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; 3334a22fe10SSujith 3344a22fe10SSujith atomic_inc(&priv->wmi->mwrite_cnt); 3354a22fe10SSujith } 3364a22fe10SSujith 3374a22fe10SSujith static void ath9k_regwrite_flush(void *hw_priv) 3384a22fe10SSujith { 3394a22fe10SSujith struct ath_hw *ah = (struct ath_hw *) hw_priv; 3404a22fe10SSujith struct ath_common *common = ath9k_hw_common(ah); 3414a22fe10SSujith struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; 3424a22fe10SSujith u32 rsp_status; 3434a22fe10SSujith int r; 3444a22fe10SSujith 345435c1610SFelix Fietkau atomic_dec(&priv->wmi->mwrite_cnt); 346435c1610SFelix Fietkau 3474a22fe10SSujith mutex_lock(&priv->wmi->multi_write_mutex); 3484a22fe10SSujith 3494a22fe10SSujith if (priv->wmi->multi_write_idx) { 3504a22fe10SSujith r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID, 3514a22fe10SSujith (u8 *) &priv->wmi->multi_write, 3524a22fe10SSujith sizeof(struct register_write) * priv->wmi->multi_write_idx, 3534a22fe10SSujith (u8 *) &rsp_status, sizeof(rsp_status), 3544a22fe10SSujith 100); 3554a22fe10SSujith if (unlikely(r)) { 356d2182b69SJoe Perches ath_dbg(common, WMI, 3574a22fe10SSujith "REGISTER WRITE FAILED, multi len: %d\n", 3584a22fe10SSujith priv->wmi->multi_write_idx); 3594a22fe10SSujith } 3604a22fe10SSujith priv->wmi->multi_write_idx = 0; 3614a22fe10SSujith } 3624a22fe10SSujith 3634a22fe10SSujith mutex_unlock(&priv->wmi->multi_write_mutex); 3644a22fe10SSujith } 3654a22fe10SSujith 366845e03c9SFelix Fietkau static u32 ath9k_reg_rmw(void *hw_priv, u32 reg_offset, u32 set, u32 clr) 367845e03c9SFelix Fietkau { 368845e03c9SFelix Fietkau u32 val; 369845e03c9SFelix Fietkau 370845e03c9SFelix Fietkau val = ath9k_regread(hw_priv, reg_offset); 371845e03c9SFelix Fietkau val &= ~clr; 372845e03c9SFelix Fietkau val |= set; 373845e03c9SFelix Fietkau ath9k_regwrite(hw_priv, val, reg_offset); 374845e03c9SFelix Fietkau return val; 375845e03c9SFelix Fietkau } 376845e03c9SFelix Fietkau 377fb9987d0SSujith static void ath_usb_read_cachesize(struct ath_common *common, int *csz) 378fb9987d0SSujith { 379fb9987d0SSujith *csz = L1_CACHE_BYTES >> 2; 380fb9987d0SSujith } 381fb9987d0SSujith 382fb9987d0SSujith static bool ath_usb_eeprom_read(struct ath_common *common, u32 off, u16 *data) 383fb9987d0SSujith { 384fb9987d0SSujith struct ath_hw *ah = (struct ath_hw *) common->ah; 385fb9987d0SSujith 386fb9987d0SSujith (void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S)); 387fb9987d0SSujith 388fb9987d0SSujith if (!ath9k_hw_wait(ah, 389fb9987d0SSujith AR_EEPROM_STATUS_DATA, 390fb9987d0SSujith AR_EEPROM_STATUS_DATA_BUSY | 391fb9987d0SSujith AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0, 392fb9987d0SSujith AH_WAIT_TIMEOUT)) 393fb9987d0SSujith return false; 394fb9987d0SSujith 395fb9987d0SSujith *data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA), 396fb9987d0SSujith AR_EEPROM_STATUS_DATA_VAL); 397fb9987d0SSujith 398fb9987d0SSujith return true; 399fb9987d0SSujith } 400fb9987d0SSujith 401fb9987d0SSujith static const struct ath_bus_ops ath9k_usb_bus_ops = { 402497ad9adSSujith .ath_bus_type = ATH_USB, 403fb9987d0SSujith .read_cachesize = ath_usb_read_cachesize, 404fb9987d0SSujith .eeprom_read = ath_usb_eeprom_read, 405fb9987d0SSujith }; 406fb9987d0SSujith 407fb9987d0SSujith static int ath9k_init_queues(struct ath9k_htc_priv *priv) 408fb9987d0SSujith { 409fb9987d0SSujith struct ath_common *common = ath9k_hw_common(priv->ah); 410fb9987d0SSujith int i; 411fb9987d0SSujith 412fb9987d0SSujith for (i = 0; i < ARRAY_SIZE(priv->hwq_map); i++) 413fb9987d0SSujith priv->hwq_map[i] = -1; 414fb9987d0SSujith 415ca74b83bSSujith priv->beaconq = ath9k_hw_beaconq_setup(priv->ah); 416ca74b83bSSujith if (priv->beaconq == -1) { 4173800276aSJoe Perches ath_err(common, "Unable to setup BEACON xmit queue\n"); 418ca74b83bSSujith goto err; 419ca74b83bSSujith } 420ca74b83bSSujith 421ca74b83bSSujith priv->cabq = ath9k_htc_cabq_setup(priv); 422ca74b83bSSujith if (priv->cabq == -1) { 4233800276aSJoe Perches ath_err(common, "Unable to setup CAB xmit queue\n"); 424ca74b83bSSujith goto err; 425ca74b83bSSujith } 426ca74b83bSSujith 427bea843c7SSujith Manoharan if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_BE)) { 4283800276aSJoe Perches ath_err(common, "Unable to setup xmit queue for BE traffic\n"); 429fb9987d0SSujith goto err; 430fb9987d0SSujith } 431fb9987d0SSujith 432bea843c7SSujith Manoharan if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_BK)) { 4333800276aSJoe Perches ath_err(common, "Unable to setup xmit queue for BK traffic\n"); 434fb9987d0SSujith goto err; 435fb9987d0SSujith } 436bea843c7SSujith Manoharan if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_VI)) { 4373800276aSJoe Perches ath_err(common, "Unable to setup xmit queue for VI traffic\n"); 438fb9987d0SSujith goto err; 439fb9987d0SSujith } 440bea843c7SSujith Manoharan if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_VO)) { 4413800276aSJoe Perches ath_err(common, "Unable to setup xmit queue for VO traffic\n"); 442fb9987d0SSujith goto err; 443fb9987d0SSujith } 444fb9987d0SSujith 445fb9987d0SSujith return 0; 446fb9987d0SSujith 447fb9987d0SSujith err: 448fb9987d0SSujith return -EINVAL; 449fb9987d0SSujith } 450fb9987d0SSujith 451fb9987d0SSujith static void ath9k_init_misc(struct ath9k_htc_priv *priv) 452fb9987d0SSujith { 453fb9987d0SSujith struct ath_common *common = ath9k_hw_common(priv->ah); 454fb9987d0SSujith 455fb9987d0SSujith memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN); 456fb9987d0SSujith 457e5ba18c6SOleksij Rempel common->last_rssi = ATH_RSSI_DUMMY_MARKER; 4589f01a84eSSujith priv->ah->opmode = NL80211_IFTYPE_STATION; 459fb9987d0SSujith } 460fb9987d0SSujith 46121cb9879SVivek Natarajan static int ath9k_init_priv(struct ath9k_htc_priv *priv, 462fa6e15e0SRajkumar Manoharan u16 devid, char *product, 463fa6e15e0SRajkumar Manoharan u32 drv_info) 464fb9987d0SSujith { 465fb9987d0SSujith struct ath_hw *ah = NULL; 466fb9987d0SSujith struct ath_common *common; 467832f6a18SSujith Manoharan int i, ret = 0, csz = 0; 468fb9987d0SSujith 469d8a2c51cSSujith Manoharan set_bit(OP_INVALID, &priv->op_flags); 470fb9987d0SSujith 471fb9987d0SSujith ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL); 472fb9987d0SSujith if (!ah) 473fb9987d0SSujith return -ENOMEM; 474fb9987d0SSujith 47531f023a1SOleksij Rempel ah->dev = priv->dev; 476fb9987d0SSujith ah->hw_version.devid = devid; 4770b5ead91SSujith Manoharan ah->hw_version.usbdev = drv_info; 478f8afa42bSFelix Fietkau ah->ah_flags |= AH_USE_EEPROM; 479f9f84e96SFelix Fietkau ah->reg_ops.read = ath9k_regread; 480f9f84e96SFelix Fietkau ah->reg_ops.multi_read = ath9k_multi_regread; 481f9f84e96SFelix Fietkau ah->reg_ops.write = ath9k_regwrite; 482f9f84e96SFelix Fietkau ah->reg_ops.enable_write_buffer = ath9k_enable_regwrite_buffer; 483f9f84e96SFelix Fietkau ah->reg_ops.write_flush = ath9k_regwrite_flush; 484845e03c9SFelix Fietkau ah->reg_ops.rmw = ath9k_reg_rmw; 485fb9987d0SSujith priv->ah = ah; 486fb9987d0SSujith 487fb9987d0SSujith common = ath9k_hw_common(ah); 488f9f84e96SFelix Fietkau common->ops = &ah->reg_ops; 489fb9987d0SSujith common->bus_ops = &ath9k_usb_bus_ops; 490fb9987d0SSujith common->ah = ah; 491fb9987d0SSujith common->hw = priv->hw; 492fb9987d0SSujith common->priv = priv; 493fb9987d0SSujith common->debug_mask = ath9k_debug; 4947f34778eSMohammed Shafi Shajakhan common->btcoex_enabled = ath9k_htc_btcoex_enable == 1; 495fb9987d0SSujith 496fb9987d0SSujith spin_lock_init(&priv->beacon_lock); 497658ef04fSSujith Manoharan spin_lock_init(&priv->tx.tx_lock); 498fb9987d0SSujith mutex_init(&priv->mutex); 499bde748a4SVivek Natarajan mutex_init(&priv->htc_pm_lock); 500fb9987d0SSujith tasklet_init(&priv->rx_tasklet, ath9k_rx_tasklet, 501fb9987d0SSujith (unsigned long)priv); 50227876a29SSujith Manoharan tasklet_init(&priv->tx_failed_tasklet, ath9k_tx_failed_tasklet, 50373908674SSujith Manoharan (unsigned long)priv); 504a236254cSSujith Manoharan INIT_DELAYED_WORK(&priv->ani_work, ath9k_htc_ani_work); 505bde748a4SVivek Natarajan INIT_WORK(&priv->ps_work, ath9k_ps_work); 50673908674SSujith Manoharan INIT_WORK(&priv->fatal_work, ath9k_fatal_work); 507859c3ca1SSujith Manoharan setup_timer(&priv->tx.cleanup_timer, ath9k_htc_tx_cleanup_timer, 508859c3ca1SSujith Manoharan (unsigned long)priv); 509fb9987d0SSujith 510fb9987d0SSujith /* 511fb9987d0SSujith * Cache line size is used to size and align various 512fb9987d0SSujith * structures used to communicate with the hardware. 513fb9987d0SSujith */ 514fb9987d0SSujith ath_read_cachesize(common, &csz); 515fb9987d0SSujith common->cachelsz = csz << 2; /* convert to bytes */ 516fb9987d0SSujith 517fb9987d0SSujith ret = ath9k_hw_init(ah); 518fb9987d0SSujith if (ret) { 5193800276aSJoe Perches ath_err(common, 5203800276aSJoe Perches "Unable to initialize hardware; initialization status: %d\n", 5213800276aSJoe Perches ret); 522fb9987d0SSujith goto err_hw; 523fb9987d0SSujith } 524fb9987d0SSujith 525fb9987d0SSujith ret = ath9k_init_queues(priv); 526fb9987d0SSujith if (ret) 527fb9987d0SSujith goto err_queues; 528fb9987d0SSujith 529832f6a18SSujith Manoharan for (i = 0; i < ATH9K_HTC_MAX_BCN_VIF; i++) 530832f6a18SSujith Manoharan priv->cur_beacon_conf.bslot[i] = NULL; 531832f6a18SSujith Manoharan 53231f023a1SOleksij Rempel ath9k_cmn_init_channels_rates(common); 533f82b4bdeSRajkumar Manoharan ath9k_cmn_init_crypto(ah); 534fb9987d0SSujith ath9k_init_misc(priv); 535cee5341dSSujith Manoharan ath9k_htc_init_btcoex(priv, product); 53621cb9879SVivek Natarajan 537fb9987d0SSujith return 0; 538fb9987d0SSujith 539fb9987d0SSujith err_queues: 540fb9987d0SSujith ath9k_hw_deinit(ah); 541fb9987d0SSujith err_hw: 542fb9987d0SSujith 543fb9987d0SSujith kfree(ah); 544fb9987d0SSujith priv->ah = NULL; 545fb9987d0SSujith 546fb9987d0SSujith return ret; 547fb9987d0SSujith } 548fb9987d0SSujith 5498b0b6be5SMohammed Shafi Shajakhan static const struct ieee80211_iface_limit if_limits[] = { 5508b0b6be5SMohammed Shafi Shajakhan { .max = 2, .types = BIT(NL80211_IFTYPE_STATION) | 5518b0b6be5SMohammed Shafi Shajakhan BIT(NL80211_IFTYPE_P2P_CLIENT) }, 5528b0b6be5SMohammed Shafi Shajakhan { .max = 2, .types = BIT(NL80211_IFTYPE_AP) | 5530c9acaa8SThomas Pedersen #ifdef CONFIG_MAC80211_MESH 5540c9acaa8SThomas Pedersen BIT(NL80211_IFTYPE_MESH_POINT) | 5550c9acaa8SThomas Pedersen #endif 5560c9acaa8SThomas Pedersen BIT(NL80211_IFTYPE_P2P_GO) }, 5578b0b6be5SMohammed Shafi Shajakhan }; 5588b0b6be5SMohammed Shafi Shajakhan 5598b0b6be5SMohammed Shafi Shajakhan static const struct ieee80211_iface_combination if_comb = { 5608b0b6be5SMohammed Shafi Shajakhan .limits = if_limits, 5618b0b6be5SMohammed Shafi Shajakhan .n_limits = ARRAY_SIZE(if_limits), 5628b0b6be5SMohammed Shafi Shajakhan .max_interfaces = 2, 5638b0b6be5SMohammed Shafi Shajakhan .num_different_channels = 1, 5648b0b6be5SMohammed Shafi Shajakhan }; 5658b0b6be5SMohammed Shafi Shajakhan 566fb9987d0SSujith static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, 567fb9987d0SSujith struct ieee80211_hw *hw) 568fb9987d0SSujith { 569e9fb5888SOleksij Rempel struct ath_hw *ah = priv->ah; 570fb9987d0SSujith struct ath_common *common = ath9k_hw_common(priv->ah); 571156652bbSBen Greear struct base_eep_header *pBase; 572fb9987d0SSujith 573fb9987d0SSujith hw->flags = IEEE80211_HW_SIGNAL_DBM | 574fb9987d0SSujith IEEE80211_HW_AMPDU_AGGREGATION | 575fb9987d0SSujith IEEE80211_HW_SPECTRUM_MGMT | 57632fbccafSSujith IEEE80211_HW_HAS_RATE_CONTROL | 577bde748a4SVivek Natarajan IEEE80211_HW_RX_INCLUDES_FCS | 5787d547eb4SSujith Manoharan IEEE80211_HW_PS_NULLFUNC_STACK | 5798ae2e12fSRajkumar Manoharan IEEE80211_HW_REPORTS_TX_ACK_STATUS | 580bd4a85eeSJavier Cardona IEEE80211_HW_MFP_CAPABLE | 5817d547eb4SSujith Manoharan IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; 582fb9987d0SSujith 5836bca610dSOleksij Rempel if (ath9k_ps_enable) 5846bca610dSOleksij Rempel hw->flags |= IEEE80211_HW_SUPPORTS_PS; 5856bca610dSOleksij Rempel 586fb9987d0SSujith hw->wiphy->interface_modes = 587fb9987d0SSujith BIT(NL80211_IFTYPE_STATION) | 58809d5b94dSSujith Manoharan BIT(NL80211_IFTYPE_ADHOC) | 58909d5b94dSSujith Manoharan BIT(NL80211_IFTYPE_AP) | 59009d5b94dSSujith Manoharan BIT(NL80211_IFTYPE_P2P_GO) | 591594e65b6SJavier Cardona BIT(NL80211_IFTYPE_P2P_CLIENT) | 592594e65b6SJavier Cardona BIT(NL80211_IFTYPE_MESH_POINT); 593fb9987d0SSujith 5948b0b6be5SMohammed Shafi Shajakhan hw->wiphy->iface_combinations = &if_comb; 5958b0b6be5SMohammed Shafi Shajakhan hw->wiphy->n_iface_combinations = 1; 5968b0b6be5SMohammed Shafi Shajakhan 597bde748a4SVivek Natarajan hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 598bde748a4SVivek Natarajan 59981ddbb5cSJohannes Berg hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN | 60081ddbb5cSJohannes Berg WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 601d7d312caSAntonio Quartulli 602fb9987d0SSujith hw->queues = 4; 603fb1c078eSSujith Manoharan hw->max_listen_interval = 1; 6043a0593efSSujith Manoharan 605fb9987d0SSujith hw->vif_data_size = sizeof(struct ath9k_htc_vif); 606fb9987d0SSujith hw->sta_data_size = sizeof(struct ath9k_htc_sta); 607fb9987d0SSujith 608fb9987d0SSujith /* tx_frame_hdr is larger than tx_mgmt_hdr anyway */ 609fb9987d0SSujith hw->extra_tx_headroom = sizeof(struct tx_frame_hdr) + 610fb9987d0SSujith sizeof(struct htc_frame_hdr) + 4; 611fb9987d0SSujith 612d4659912SFelix Fietkau if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) 613fb9987d0SSujith hw->wiphy->bands[IEEE80211_BAND_2GHZ] = 61431f023a1SOleksij Rempel &common->sbands[IEEE80211_BAND_2GHZ]; 615d4659912SFelix Fietkau if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) 616ea46e644SSujith hw->wiphy->bands[IEEE80211_BAND_5GHZ] = 61731f023a1SOleksij Rempel &common->sbands[IEEE80211_BAND_5GHZ]; 618fb9987d0SSujith 6196da2f4adSOleksij Rempel ath9k_cmn_reload_chainmask(ah); 620fb9987d0SSujith 621156652bbSBen Greear pBase = ath9k_htc_get_eeprom_base(priv); 622156652bbSBen Greear if (pBase) { 623156652bbSBen Greear hw->wiphy->available_antennas_rx = pBase->rxMask; 624156652bbSBen Greear hw->wiphy->available_antennas_tx = pBase->txMask; 625156652bbSBen Greear } 626156652bbSBen Greear 627fb9987d0SSujith SET_IEEE80211_PERM_ADDR(hw, common->macaddr); 628fb9987d0SSujith } 629fb9987d0SSujith 63029bbfb24SSujith Manoharan static int ath9k_init_firmware_version(struct ath9k_htc_priv *priv) 63129bbfb24SSujith Manoharan { 63229bbfb24SSujith Manoharan struct ieee80211_hw *hw = priv->hw; 63329bbfb24SSujith Manoharan struct wmi_fw_version cmd_rsp; 63429bbfb24SSujith Manoharan int ret; 63529bbfb24SSujith Manoharan 63629bbfb24SSujith Manoharan memset(&cmd_rsp, 0, sizeof(cmd_rsp)); 63729bbfb24SSujith Manoharan 63829bbfb24SSujith Manoharan WMI_CMD(WMI_GET_FW_VERSION); 63929bbfb24SSujith Manoharan if (ret) 64029bbfb24SSujith Manoharan return -EINVAL; 64129bbfb24SSujith Manoharan 64229bbfb24SSujith Manoharan priv->fw_version_major = be16_to_cpu(cmd_rsp.major); 64329bbfb24SSujith Manoharan priv->fw_version_minor = be16_to_cpu(cmd_rsp.minor); 64429bbfb24SSujith Manoharan 64581135548SJiri Pirko snprintf(hw->wiphy->fw_version, sizeof(hw->wiphy->fw_version), "%d.%d", 64629bbfb24SSujith Manoharan priv->fw_version_major, 64729bbfb24SSujith Manoharan priv->fw_version_minor); 64829bbfb24SSujith Manoharan 64929bbfb24SSujith Manoharan dev_info(priv->dev, "ath9k_htc: FW Version: %d.%d\n", 65029bbfb24SSujith Manoharan priv->fw_version_major, 65129bbfb24SSujith Manoharan priv->fw_version_minor); 65229bbfb24SSujith Manoharan 6533a0593efSSujith Manoharan /* 6543a0593efSSujith Manoharan * Check if the available FW matches the driver's 6553a0593efSSujith Manoharan * required version. 6563a0593efSSujith Manoharan */ 6573a0593efSSujith Manoharan if (priv->fw_version_major != MAJOR_VERSION_REQ || 658319e7bd9SFelix Fietkau priv->fw_version_minor < MINOR_VERSION_REQ) { 6593a0593efSSujith Manoharan dev_err(priv->dev, "ath9k_htc: Please upgrade to FW version %d.%d\n", 6603a0593efSSujith Manoharan MAJOR_VERSION_REQ, MINOR_VERSION_REQ); 6613a0593efSSujith Manoharan return -EINVAL; 6623a0593efSSujith Manoharan } 6633a0593efSSujith Manoharan 66429bbfb24SSujith Manoharan return 0; 66529bbfb24SSujith Manoharan } 66629bbfb24SSujith Manoharan 66721cb9879SVivek Natarajan static int ath9k_init_device(struct ath9k_htc_priv *priv, 668fa6e15e0SRajkumar Manoharan u16 devid, char *product, u32 drv_info) 669fb9987d0SSujith { 670fb9987d0SSujith struct ieee80211_hw *hw = priv->hw; 671fb9987d0SSujith struct ath_common *common; 672fb9987d0SSujith struct ath_hw *ah; 673fb9987d0SSujith int error = 0; 674fb9987d0SSujith struct ath_regulatory *reg; 6753e3f1d19SSujith Manoharan char hw_name[64]; 676fb9987d0SSujith 677fb9987d0SSujith /* Bring up device */ 678fa6e15e0SRajkumar Manoharan error = ath9k_init_priv(priv, devid, product, drv_info); 679fb9987d0SSujith if (error != 0) 680fb9987d0SSujith goto err_init; 681fb9987d0SSujith 682fb9987d0SSujith ah = priv->ah; 683fb9987d0SSujith common = ath9k_hw_common(ah); 684fb9987d0SSujith ath9k_set_hw_capab(priv, hw); 685fb9987d0SSujith 68629bbfb24SSujith Manoharan error = ath9k_init_firmware_version(priv); 68729bbfb24SSujith Manoharan if (error != 0) 68829bbfb24SSujith Manoharan goto err_fw; 68929bbfb24SSujith Manoharan 690fb9987d0SSujith /* Initialize regulatory */ 691fb9987d0SSujith error = ath_regd_init(&common->regulatory, priv->hw->wiphy, 692fb9987d0SSujith ath9k_reg_notifier); 693fb9987d0SSujith if (error) 694fb9987d0SSujith goto err_regd; 695fb9987d0SSujith 696fb9987d0SSujith reg = &common->regulatory; 697fb9987d0SSujith 698fb9987d0SSujith /* Setup TX */ 699fb9987d0SSujith error = ath9k_tx_init(priv); 700fb9987d0SSujith if (error != 0) 701fb9987d0SSujith goto err_tx; 702fb9987d0SSujith 703fb9987d0SSujith /* Setup RX */ 704fb9987d0SSujith error = ath9k_rx_init(priv); 705fb9987d0SSujith if (error != 0) 706fb9987d0SSujith goto err_rx; 707fb9987d0SSujith 708dc2a87f5SOleksij Rempel ath9k_hw_disable(priv->ah); 709d244f21eSSujith Manoharan #ifdef CONFIG_MAC80211_LEDS 710d244f21eSSujith Manoharan /* must be initialized before ieee80211_register_hw */ 711d244f21eSSujith Manoharan priv->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(priv->hw, 712d244f21eSSujith Manoharan IEEE80211_TPT_LEDTRIG_FL_RADIO, ath9k_htc_tpt_blink, 713d244f21eSSujith Manoharan ARRAY_SIZE(ath9k_htc_tpt_blink)); 714d244f21eSSujith Manoharan #endif 715d244f21eSSujith Manoharan 716fb9987d0SSujith /* Register with mac80211 */ 717fb9987d0SSujith error = ieee80211_register_hw(hw); 718fb9987d0SSujith if (error) 719fb9987d0SSujith goto err_register; 720fb9987d0SSujith 721fb9987d0SSujith /* Handle world regulatory */ 722fb9987d0SSujith if (!ath_is_world_regd(reg)) { 723fb9987d0SSujith error = regulatory_hint(hw->wiphy, reg->alpha2); 724fb9987d0SSujith if (error) 725fb9987d0SSujith goto err_world; 726fb9987d0SSujith } 727fb9987d0SSujith 728e5facc75SRajkumar Manoharan error = ath9k_htc_init_debug(priv->ah); 729e5facc75SRajkumar Manoharan if (error) { 730e5facc75SRajkumar Manoharan ath_err(common, "Unable to create debugfs files\n"); 731e5facc75SRajkumar Manoharan goto err_world; 732e5facc75SRajkumar Manoharan } 733e5facc75SRajkumar Manoharan 734d2182b69SJoe Perches ath_dbg(common, CONFIG, 735d2182b69SJoe Perches "WMI:%d, BCN:%d, CAB:%d, UAPSD:%d, MGMT:%d, BE:%d, BK:%d, VI:%d, VO:%d\n", 7363e3f1d19SSujith Manoharan priv->wmi_cmd_ep, 7373e3f1d19SSujith Manoharan priv->beacon_ep, 7383e3f1d19SSujith Manoharan priv->cab_ep, 7393e3f1d19SSujith Manoharan priv->uapsd_ep, 7403e3f1d19SSujith Manoharan priv->mgmt_ep, 7413e3f1d19SSujith Manoharan priv->data_be_ep, 7423e3f1d19SSujith Manoharan priv->data_bk_ep, 7433e3f1d19SSujith Manoharan priv->data_vi_ep, 7443e3f1d19SSujith Manoharan priv->data_vo_ep); 7453e3f1d19SSujith Manoharan 7463e3f1d19SSujith Manoharan ath9k_hw_name(priv->ah, hw_name, sizeof(hw_name)); 7473e3f1d19SSujith Manoharan wiphy_info(hw->wiphy, "%s\n", hw_name); 7483e3f1d19SSujith Manoharan 749fb9987d0SSujith ath9k_init_leds(priv); 750fb9987d0SSujith ath9k_start_rfkill_poll(priv); 751fb9987d0SSujith 752fb9987d0SSujith return 0; 753fb9987d0SSujith 754fb9987d0SSujith err_world: 755fb9987d0SSujith ieee80211_unregister_hw(hw); 756fb9987d0SSujith err_register: 757fb9987d0SSujith ath9k_rx_cleanup(priv); 758fb9987d0SSujith err_rx: 759fb9987d0SSujith ath9k_tx_cleanup(priv); 760fb9987d0SSujith err_tx: 761fb9987d0SSujith /* Nothing */ 762fb9987d0SSujith err_regd: 76329bbfb24SSujith Manoharan /* Nothing */ 76429bbfb24SSujith Manoharan err_fw: 765fb9987d0SSujith ath9k_deinit_priv(priv); 766fb9987d0SSujith err_init: 767fb9987d0SSujith return error; 768fb9987d0SSujith } 769fb9987d0SSujith 770fb9987d0SSujith int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, 771fa6e15e0SRajkumar Manoharan u16 devid, char *product, u32 drv_info) 772fb9987d0SSujith { 773fb9987d0SSujith struct ieee80211_hw *hw; 774fb9987d0SSujith struct ath9k_htc_priv *priv; 775fb9987d0SSujith int ret; 776fb9987d0SSujith 777fb9987d0SSujith hw = ieee80211_alloc_hw(sizeof(struct ath9k_htc_priv), &ath9k_htc_ops); 778fb9987d0SSujith if (!hw) 779fb9987d0SSujith return -ENOMEM; 780fb9987d0SSujith 781fb9987d0SSujith priv = hw->priv; 782fb9987d0SSujith priv->hw = hw; 783fb9987d0SSujith priv->htc = htc_handle; 784fb9987d0SSujith priv->dev = dev; 785fb9987d0SSujith htc_handle->drv_priv = priv; 786fb9987d0SSujith SET_IEEE80211_DEV(hw, priv->dev); 787fb9987d0SSujith 788fb9987d0SSujith ret = ath9k_htc_wait_for_target(priv); 789fb9987d0SSujith if (ret) 790fb9987d0SSujith goto err_free; 791fb9987d0SSujith 792fb9987d0SSujith priv->wmi = ath9k_init_wmi(priv); 793fb9987d0SSujith if (!priv->wmi) { 794fb9987d0SSujith ret = -EINVAL; 795fb9987d0SSujith goto err_free; 796fb9987d0SSujith } 797fb9987d0SSujith 798fa6e15e0SRajkumar Manoharan ret = ath9k_init_htc_services(priv, devid, drv_info); 799fb9987d0SSujith if (ret) 800fb9987d0SSujith goto err_init; 801fb9987d0SSujith 802fa6e15e0SRajkumar Manoharan ret = ath9k_init_device(priv, devid, product, drv_info); 803fb9987d0SSujith if (ret) 804fb9987d0SSujith goto err_init; 805fb9987d0SSujith 806fb9987d0SSujith return 0; 807fb9987d0SSujith 808fb9987d0SSujith err_init: 809fb9987d0SSujith ath9k_deinit_wmi(priv); 810fb9987d0SSujith err_free: 811fb9987d0SSujith ieee80211_free_hw(hw); 812fb9987d0SSujith return ret; 813fb9987d0SSujith } 814fb9987d0SSujith 815fb9987d0SSujith void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug) 816fb9987d0SSujith { 817fb9987d0SSujith if (htc_handle->drv_priv) { 818a3be14b7SSujith 819a3be14b7SSujith /* Check if the device has been yanked out. */ 820a3be14b7SSujith if (hotunplug) 82197dcec57SSujith Manoharan htc_handle->drv_priv->ah->ah_flags |= AH_UNPLUGGED; 822a3be14b7SSujith 823fb9987d0SSujith ath9k_deinit_device(htc_handle->drv_priv); 824fb9987d0SSujith ath9k_deinit_wmi(htc_handle->drv_priv); 825fb9987d0SSujith ieee80211_free_hw(htc_handle->drv_priv->hw); 826fb9987d0SSujith } 827fb9987d0SSujith } 828fb9987d0SSujith 829fb9987d0SSujith #ifdef CONFIG_PM 830f933ebedSSujith Manoharan 831f933ebedSSujith Manoharan void ath9k_htc_suspend(struct htc_target *htc_handle) 832f933ebedSSujith Manoharan { 833f933ebedSSujith Manoharan ath9k_htc_setpower(htc_handle->drv_priv, ATH9K_PM_FULL_SLEEP); 834f933ebedSSujith Manoharan } 835f933ebedSSujith Manoharan 836fb9987d0SSujith int ath9k_htc_resume(struct htc_target *htc_handle) 837fb9987d0SSujith { 838fa6e15e0SRajkumar Manoharan struct ath9k_htc_priv *priv = htc_handle->drv_priv; 839fb9987d0SSujith int ret; 840fb9987d0SSujith 841fa6e15e0SRajkumar Manoharan ret = ath9k_htc_wait_for_target(priv); 842fb9987d0SSujith if (ret) 843fb9987d0SSujith return ret; 844fb9987d0SSujith 845fa6e15e0SRajkumar Manoharan ret = ath9k_init_htc_services(priv, priv->ah->hw_version.devid, 8460b5ead91SSujith Manoharan priv->ah->hw_version.usbdev); 8471e51acaaSOleksij Rempel ath9k_configure_leds(priv); 8481e51acaaSOleksij Rempel 849fb9987d0SSujith return ret; 850fb9987d0SSujith } 851fb9987d0SSujith #endif 852fb9987d0SSujith 853fb9987d0SSujith static int __init ath9k_htc_init(void) 854fb9987d0SSujith { 855e5facc75SRajkumar Manoharan if (ath9k_hif_usb_init() < 0) { 856516304b0SJoe Perches pr_err("No USB devices found, driver not installed\n"); 857e5facc75SRajkumar Manoharan return -ENODEV; 858fb9987d0SSujith } 859fb9987d0SSujith 860fb9987d0SSujith return 0; 861fb9987d0SSujith } 862fb9987d0SSujith module_init(ath9k_htc_init); 863fb9987d0SSujith 864fb9987d0SSujith static void __exit ath9k_htc_exit(void) 865fb9987d0SSujith { 866fb9987d0SSujith ath9k_hif_usb_exit(); 867516304b0SJoe Perches pr_info("Driver unloaded\n"); 868fb9987d0SSujith } 869fb9987d0SSujith module_exit(ath9k_htc_exit); 870