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 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 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 747d031552Skbuild test robot static 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 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 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 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 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 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 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 2344a22fe10SSujith static unsigned int ath9k_regread(void *hw_priv, u32 reg_offset) 235fb9987d0SSujith { 236fb9987d0SSujith struct ath_hw *ah = (struct ath_hw *) 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); 249fb9987d0SSujith return -EIO; 250fb9987d0SSujith } 251fb9987d0SSujith 252fb9987d0SSujith return be32_to_cpu(val); 253fb9987d0SSujith } 254fb9987d0SSujith 25509a525d3SSujith Manoharan static void ath9k_multi_regread(void *hw_priv, u32 *addr, 25609a525d3SSujith Manoharan u32 *val, u16 count) 25709a525d3SSujith Manoharan { 25809a525d3SSujith Manoharan struct ath_hw *ah = (struct ath_hw *) 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 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 3024a22fe10SSujith static void ath9k_regwrite_single(void *hw_priv, u32 val, u32 reg_offset) 303fb9987d0SSujith { 304fb9987d0SSujith struct ath_hw *ah = (struct ath_hw *) 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 3234a22fe10SSujith static void ath9k_regwrite_buffer(void *hw_priv, u32 val, u32 reg_offset) 3244a22fe10SSujith { 3254a22fe10SSujith struct ath_hw *ah = (struct ath_hw *) 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 3464a22fe10SSujith static void ath9k_regwrite(void *hw_priv, u32 val, u32 reg_offset) 3474a22fe10SSujith { 3484a22fe10SSujith struct ath_hw *ah = (struct ath_hw *) 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 3584a22fe10SSujith static void ath9k_enable_regwrite_buffer(void *hw_priv) 3594a22fe10SSujith { 3604a22fe10SSujith struct ath_hw *ah = (struct ath_hw *) 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 3674a22fe10SSujith static void ath9k_regwrite_flush(void *hw_priv) 3684a22fe10SSujith { 3694a22fe10SSujith struct ath_hw *ah = (struct ath_hw *) 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 3838badb50cSOleksij Rempel static void ath9k_reg_rmw_buffer(void *hw_priv, 3848badb50cSOleksij Rempel u32 reg_offset, u32 set, u32 clr) 3858badb50cSOleksij Rempel { 3868badb50cSOleksij Rempel struct ath_hw *ah = (struct ath_hw *) 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 4228badb50cSOleksij Rempel static void ath9k_reg_rmw_flush(void *hw_priv) 4238badb50cSOleksij Rempel { 4248badb50cSOleksij Rempel struct ath_hw *ah = (struct ath_hw *) 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 4548badb50cSOleksij Rempel static void ath9k_enable_rmw_buffer(void *hw_priv) 4558badb50cSOleksij Rempel { 4568badb50cSOleksij Rempel struct ath_hw *ah = (struct ath_hw *) 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 4668badb50cSOleksij Rempel static u32 ath9k_reg_rmw_single(void *hw_priv, 4678badb50cSOleksij Rempel u32 reg_offset, u32 set, u32 clr) 4688badb50cSOleksij Rempel { 4698badb50cSOleksij Rempel struct ath_hw *ah = (struct ath_hw *) 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 u32 val = 0; 4758badb50cSOleksij Rempel 4768badb50cSOleksij Rempel buf.reg = cpu_to_be32(reg_offset); 4778badb50cSOleksij Rempel buf.set = cpu_to_be32(set); 4788badb50cSOleksij Rempel buf.clr = cpu_to_be32(clr); 4798badb50cSOleksij Rempel 4808badb50cSOleksij Rempel ret = ath9k_wmi_cmd(priv->wmi, WMI_REG_RMW_CMDID, 4818badb50cSOleksij Rempel (u8 *) &buf, sizeof(buf), 4828badb50cSOleksij Rempel (u8 *) &buf_ret, sizeof(buf_ret), 4838badb50cSOleksij Rempel 100); 4848badb50cSOleksij Rempel if (unlikely(ret)) { 4858badb50cSOleksij Rempel ath_dbg(common, WMI, "REGISTER RMW FAILED:(0x%04x, %d)\n", 4868badb50cSOleksij Rempel reg_offset, ret); 4878badb50cSOleksij Rempel } 4888badb50cSOleksij Rempel return val; 4898badb50cSOleksij Rempel } 4908badb50cSOleksij Rempel 491845e03c9SFelix Fietkau static u32 ath9k_reg_rmw(void *hw_priv, u32 reg_offset, u32 set, u32 clr) 492845e03c9SFelix Fietkau { 4938badb50cSOleksij Rempel struct ath_hw *ah = (struct ath_hw *) hw_priv; 4948badb50cSOleksij Rempel struct ath_common *common = ath9k_hw_common(ah); 4958badb50cSOleksij Rempel struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; 4968badb50cSOleksij Rempel 4978badb50cSOleksij Rempel if (test_bit(HTC_FWFLAG_NO_RMW, &priv->fw_flags)) { 498845e03c9SFelix Fietkau u32 val; 499845e03c9SFelix Fietkau 5008badb50cSOleksij Rempel val = REG_READ(ah, reg_offset); 501845e03c9SFelix Fietkau val &= ~clr; 502845e03c9SFelix Fietkau val |= set; 5038badb50cSOleksij Rempel REG_WRITE(ah, reg_offset, val); 5048badb50cSOleksij Rempel 5058badb50cSOleksij Rempel return 0; 5068badb50cSOleksij Rempel } 5078badb50cSOleksij Rempel 5088badb50cSOleksij Rempel if (atomic_read(&priv->wmi->m_rmw_cnt)) 5098badb50cSOleksij Rempel ath9k_reg_rmw_buffer(hw_priv, reg_offset, set, clr); 5108badb50cSOleksij Rempel else 5118badb50cSOleksij Rempel ath9k_reg_rmw_single(hw_priv, reg_offset, set, clr); 5128badb50cSOleksij Rempel 5138badb50cSOleksij Rempel return 0; 514845e03c9SFelix Fietkau } 515845e03c9SFelix Fietkau 516fb9987d0SSujith static void ath_usb_read_cachesize(struct ath_common *common, int *csz) 517fb9987d0SSujith { 518fb9987d0SSujith *csz = L1_CACHE_BYTES >> 2; 519fb9987d0SSujith } 520fb9987d0SSujith 521fb9987d0SSujith static bool ath_usb_eeprom_read(struct ath_common *common, u32 off, u16 *data) 522fb9987d0SSujith { 523fb9987d0SSujith struct ath_hw *ah = (struct ath_hw *) common->ah; 524fb9987d0SSujith 525fb9987d0SSujith (void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S)); 526fb9987d0SSujith 527fb9987d0SSujith if (!ath9k_hw_wait(ah, 528fb9987d0SSujith AR_EEPROM_STATUS_DATA, 529fb9987d0SSujith AR_EEPROM_STATUS_DATA_BUSY | 530fb9987d0SSujith AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0, 531fb9987d0SSujith AH_WAIT_TIMEOUT)) 532fb9987d0SSujith return false; 533fb9987d0SSujith 534fb9987d0SSujith *data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA), 535fb9987d0SSujith AR_EEPROM_STATUS_DATA_VAL); 536fb9987d0SSujith 537fb9987d0SSujith return true; 538fb9987d0SSujith } 539fb9987d0SSujith 540fb9987d0SSujith static const struct ath_bus_ops ath9k_usb_bus_ops = { 541497ad9adSSujith .ath_bus_type = ATH_USB, 542fb9987d0SSujith .read_cachesize = ath_usb_read_cachesize, 543fb9987d0SSujith .eeprom_read = ath_usb_eeprom_read, 544fb9987d0SSujith }; 545fb9987d0SSujith 546fb9987d0SSujith static int ath9k_init_queues(struct ath9k_htc_priv *priv) 547fb9987d0SSujith { 548fb9987d0SSujith struct ath_common *common = ath9k_hw_common(priv->ah); 549fb9987d0SSujith int i; 550fb9987d0SSujith 551fb9987d0SSujith for (i = 0; i < ARRAY_SIZE(priv->hwq_map); i++) 552fb9987d0SSujith priv->hwq_map[i] = -1; 553fb9987d0SSujith 554a099874eSOleksij Rempel priv->beacon.beaconq = ath9k_hw_beaconq_setup(priv->ah); 555a099874eSOleksij Rempel if (priv->beacon.beaconq == -1) { 5563800276aSJoe Perches ath_err(common, "Unable to setup BEACON xmit queue\n"); 557ca74b83bSSujith goto err; 558ca74b83bSSujith } 559ca74b83bSSujith 560ca74b83bSSujith priv->cabq = ath9k_htc_cabq_setup(priv); 561ca74b83bSSujith if (priv->cabq == -1) { 5623800276aSJoe Perches ath_err(common, "Unable to setup CAB xmit queue\n"); 563ca74b83bSSujith goto err; 564ca74b83bSSujith } 565ca74b83bSSujith 566bea843c7SSujith Manoharan if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_BE)) { 5673800276aSJoe Perches ath_err(common, "Unable to setup xmit queue for BE traffic\n"); 568fb9987d0SSujith goto err; 569fb9987d0SSujith } 570fb9987d0SSujith 571bea843c7SSujith Manoharan if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_BK)) { 5723800276aSJoe Perches ath_err(common, "Unable to setup xmit queue for BK traffic\n"); 573fb9987d0SSujith goto err; 574fb9987d0SSujith } 575bea843c7SSujith Manoharan if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_VI)) { 5763800276aSJoe Perches ath_err(common, "Unable to setup xmit queue for VI traffic\n"); 577fb9987d0SSujith goto err; 578fb9987d0SSujith } 579bea843c7SSujith Manoharan if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_VO)) { 5803800276aSJoe Perches ath_err(common, "Unable to setup xmit queue for VO traffic\n"); 581fb9987d0SSujith goto err; 582fb9987d0SSujith } 583fb9987d0SSujith 584fb9987d0SSujith return 0; 585fb9987d0SSujith 586fb9987d0SSujith err: 587fb9987d0SSujith return -EINVAL; 588fb9987d0SSujith } 589fb9987d0SSujith 590fb9987d0SSujith static void ath9k_init_misc(struct ath9k_htc_priv *priv) 591fb9987d0SSujith { 592fb9987d0SSujith struct ath_common *common = ath9k_hw_common(priv->ah); 593fb9987d0SSujith 594fb9987d0SSujith memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN); 595fb9987d0SSujith 596e5ba18c6SOleksij Rempel common->last_rssi = ATH_RSSI_DUMMY_MARKER; 5979f01a84eSSujith priv->ah->opmode = NL80211_IFTYPE_STATION; 59888a2e3fbSOleksij Rempel 59988a2e3fbSOleksij Rempel priv->spec_priv.ah = priv->ah; 60088a2e3fbSOleksij Rempel priv->spec_priv.spec_config.enabled = 0; 601a534f3b6SNick Kossifidis priv->spec_priv.spec_config.short_repeat = true; 60288a2e3fbSOleksij Rempel priv->spec_priv.spec_config.count = 8; 60388a2e3fbSOleksij Rempel priv->spec_priv.spec_config.endless = false; 60488a2e3fbSOleksij Rempel priv->spec_priv.spec_config.period = 0x12; 60588a2e3fbSOleksij Rempel priv->spec_priv.spec_config.fft_period = 0x02; 606fb9987d0SSujith } 607fb9987d0SSujith 60821cb9879SVivek Natarajan static int ath9k_init_priv(struct ath9k_htc_priv *priv, 609fa6e15e0SRajkumar Manoharan u16 devid, char *product, 610fa6e15e0SRajkumar Manoharan u32 drv_info) 611fb9987d0SSujith { 612fb9987d0SSujith struct ath_hw *ah = NULL; 613fb9987d0SSujith struct ath_common *common; 614832f6a18SSujith Manoharan int i, ret = 0, csz = 0; 615fb9987d0SSujith 616fb9987d0SSujith ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL); 617fb9987d0SSujith if (!ah) 618fb9987d0SSujith return -ENOMEM; 619fb9987d0SSujith 62031f023a1SOleksij Rempel ah->dev = priv->dev; 621c393d179SMarek Puzyniak ah->hw = priv->hw; 622fb9987d0SSujith ah->hw_version.devid = devid; 6230b5ead91SSujith Manoharan ah->hw_version.usbdev = drv_info; 624f8afa42bSFelix Fietkau ah->ah_flags |= AH_USE_EEPROM; 625f9f84e96SFelix Fietkau ah->reg_ops.read = ath9k_regread; 626f9f84e96SFelix Fietkau ah->reg_ops.multi_read = ath9k_multi_regread; 627f9f84e96SFelix Fietkau ah->reg_ops.write = ath9k_regwrite; 628f9f84e96SFelix Fietkau ah->reg_ops.enable_write_buffer = ath9k_enable_regwrite_buffer; 629f9f84e96SFelix Fietkau ah->reg_ops.write_flush = ath9k_regwrite_flush; 6308badb50cSOleksij Rempel ah->reg_ops.enable_rmw_buffer = ath9k_enable_rmw_buffer; 6318badb50cSOleksij Rempel ah->reg_ops.rmw_flush = ath9k_reg_rmw_flush; 632845e03c9SFelix Fietkau ah->reg_ops.rmw = ath9k_reg_rmw; 633fb9987d0SSujith priv->ah = ah; 634fb9987d0SSujith 635fb9987d0SSujith common = ath9k_hw_common(ah); 636f9f84e96SFelix Fietkau common->ops = &ah->reg_ops; 63794cd95c2SOleksij Rempel common->ps_ops = &ath9k_htc_ps_ops; 638fb9987d0SSujith common->bus_ops = &ath9k_usb_bus_ops; 639fb9987d0SSujith common->ah = ah; 640fb9987d0SSujith common->hw = priv->hw; 641fb9987d0SSujith common->priv = priv; 642fb9987d0SSujith common->debug_mask = ath9k_debug; 6437f34778eSMohammed Shafi Shajakhan common->btcoex_enabled = ath9k_htc_btcoex_enable == 1; 64492c3f7efSOleksij Rempel set_bit(ATH_OP_INVALID, &common->op_flags); 645fb9987d0SSujith 646fb9987d0SSujith spin_lock_init(&priv->beacon_lock); 647658ef04fSSujith Manoharan spin_lock_init(&priv->tx.tx_lock); 648fb9987d0SSujith mutex_init(&priv->mutex); 649bde748a4SVivek Natarajan mutex_init(&priv->htc_pm_lock); 650fb9987d0SSujith tasklet_init(&priv->rx_tasklet, ath9k_rx_tasklet, 651fb9987d0SSujith (unsigned long)priv); 65227876a29SSujith Manoharan tasklet_init(&priv->tx_failed_tasklet, ath9k_tx_failed_tasklet, 65373908674SSujith Manoharan (unsigned long)priv); 654a236254cSSujith Manoharan INIT_DELAYED_WORK(&priv->ani_work, ath9k_htc_ani_work); 655bde748a4SVivek Natarajan INIT_WORK(&priv->ps_work, ath9k_ps_work); 65673908674SSujith Manoharan INIT_WORK(&priv->fatal_work, ath9k_fatal_work); 657859c3ca1SSujith Manoharan setup_timer(&priv->tx.cleanup_timer, ath9k_htc_tx_cleanup_timer, 658859c3ca1SSujith Manoharan (unsigned long)priv); 659fb9987d0SSujith 660fb9987d0SSujith /* 661fb9987d0SSujith * Cache line size is used to size and align various 662fb9987d0SSujith * structures used to communicate with the hardware. 663fb9987d0SSujith */ 664fb9987d0SSujith ath_read_cachesize(common, &csz); 665fb9987d0SSujith common->cachelsz = csz << 2; /* convert to bytes */ 666fb9987d0SSujith 667fb9987d0SSujith ret = ath9k_hw_init(ah); 668fb9987d0SSujith if (ret) { 6693800276aSJoe Perches ath_err(common, 6703800276aSJoe Perches "Unable to initialize hardware; initialization status: %d\n", 6713800276aSJoe Perches ret); 672fb9987d0SSujith goto err_hw; 673fb9987d0SSujith } 674fb9987d0SSujith 675fb9987d0SSujith ret = ath9k_init_queues(priv); 676fb9987d0SSujith if (ret) 677fb9987d0SSujith goto err_queues; 678fb9987d0SSujith 679832f6a18SSujith Manoharan for (i = 0; i < ATH9K_HTC_MAX_BCN_VIF; i++) 6803c4816d9SOleksij Rempel priv->beacon.bslot[i] = NULL; 68111b0ac2eSBenjamin Berg priv->beacon.slottime = 9; 682832f6a18SSujith Manoharan 68331f023a1SOleksij Rempel ath9k_cmn_init_channels_rates(common); 684f82b4bdeSRajkumar Manoharan ath9k_cmn_init_crypto(ah); 685fb9987d0SSujith ath9k_init_misc(priv); 686cee5341dSSujith Manoharan ath9k_htc_init_btcoex(priv, product); 68721cb9879SVivek Natarajan 688fb9987d0SSujith return 0; 689fb9987d0SSujith 690fb9987d0SSujith err_queues: 691fb9987d0SSujith ath9k_hw_deinit(ah); 692fb9987d0SSujith err_hw: 693fb9987d0SSujith 694fb9987d0SSujith kfree(ah); 695fb9987d0SSujith priv->ah = NULL; 696fb9987d0SSujith 697fb9987d0SSujith return ret; 698fb9987d0SSujith } 699fb9987d0SSujith 7008b0b6be5SMohammed Shafi Shajakhan static const struct ieee80211_iface_limit if_limits[] = { 7018b0b6be5SMohammed Shafi Shajakhan { .max = 2, .types = BIT(NL80211_IFTYPE_STATION) | 7028b0b6be5SMohammed Shafi Shajakhan BIT(NL80211_IFTYPE_P2P_CLIENT) }, 7038b0b6be5SMohammed Shafi Shajakhan { .max = 2, .types = BIT(NL80211_IFTYPE_AP) | 7040c9acaa8SThomas Pedersen #ifdef CONFIG_MAC80211_MESH 7050c9acaa8SThomas Pedersen BIT(NL80211_IFTYPE_MESH_POINT) | 7060c9acaa8SThomas Pedersen #endif 7070c9acaa8SThomas Pedersen BIT(NL80211_IFTYPE_P2P_GO) }, 7088b0b6be5SMohammed Shafi Shajakhan }; 7098b0b6be5SMohammed Shafi Shajakhan 7108b0b6be5SMohammed Shafi Shajakhan static const struct ieee80211_iface_combination if_comb = { 7118b0b6be5SMohammed Shafi Shajakhan .limits = if_limits, 7128b0b6be5SMohammed Shafi Shajakhan .n_limits = ARRAY_SIZE(if_limits), 7138b0b6be5SMohammed Shafi Shajakhan .max_interfaces = 2, 7148b0b6be5SMohammed Shafi Shajakhan .num_different_channels = 1, 7158b0b6be5SMohammed Shafi Shajakhan }; 7168b0b6be5SMohammed Shafi Shajakhan 717fb9987d0SSujith static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, 718fb9987d0SSujith struct ieee80211_hw *hw) 719fb9987d0SSujith { 720e9fb5888SOleksij Rempel struct ath_hw *ah = priv->ah; 721fb9987d0SSujith struct ath_common *common = ath9k_hw_common(priv->ah); 722156652bbSBen Greear struct base_eep_header *pBase; 723fb9987d0SSujith 72430686bf7SJohannes Berg ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING); 72530686bf7SJohannes Berg ieee80211_hw_set(hw, MFP_CAPABLE); 72630686bf7SJohannes Berg ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 72730686bf7SJohannes Berg ieee80211_hw_set(hw, PS_NULLFUNC_STACK); 72830686bf7SJohannes Berg ieee80211_hw_set(hw, RX_INCLUDES_FCS); 72930686bf7SJohannes Berg ieee80211_hw_set(hw, HAS_RATE_CONTROL); 73030686bf7SJohannes Berg ieee80211_hw_set(hw, SPECTRUM_MGMT); 73130686bf7SJohannes Berg ieee80211_hw_set(hw, SIGNAL_DBM); 73230686bf7SJohannes Berg ieee80211_hw_set(hw, AMPDU_AGGREGATION); 733fb9987d0SSujith 7346bca610dSOleksij Rempel if (ath9k_ps_enable) 73530686bf7SJohannes Berg ieee80211_hw_set(hw, SUPPORTS_PS); 7366bca610dSOleksij Rempel 737fb9987d0SSujith hw->wiphy->interface_modes = 738fb9987d0SSujith BIT(NL80211_IFTYPE_STATION) | 73909d5b94dSSujith Manoharan BIT(NL80211_IFTYPE_ADHOC) | 74009d5b94dSSujith Manoharan BIT(NL80211_IFTYPE_AP) | 74109d5b94dSSujith Manoharan BIT(NL80211_IFTYPE_P2P_GO) | 742594e65b6SJavier Cardona BIT(NL80211_IFTYPE_P2P_CLIENT) | 743862a336cSJan Kaisrlik BIT(NL80211_IFTYPE_MESH_POINT) | 744862a336cSJan Kaisrlik BIT(NL80211_IFTYPE_OCB); 745fb9987d0SSujith 7468b0b6be5SMohammed Shafi Shajakhan hw->wiphy->iface_combinations = &if_comb; 7478b0b6be5SMohammed Shafi Shajakhan hw->wiphy->n_iface_combinations = 1; 7488b0b6be5SMohammed Shafi Shajakhan 749bde748a4SVivek Natarajan hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 750bde748a4SVivek Natarajan 75181ddbb5cSJohannes Berg hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN | 752f0e44962SChun-Yeow Yeoh WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 753f0e44962SChun-Yeow Yeoh WIPHY_FLAG_HAS_CHANNEL_SWITCH; 754d7d312caSAntonio Quartulli 755ba1fa3cdSCsaba Kiraly hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 756ba1fa3cdSCsaba Kiraly 757fb9987d0SSujith hw->queues = 4; 758fb1c078eSSujith Manoharan hw->max_listen_interval = 1; 7593a0593efSSujith Manoharan 760fb9987d0SSujith hw->vif_data_size = sizeof(struct ath9k_htc_vif); 761fb9987d0SSujith hw->sta_data_size = sizeof(struct ath9k_htc_sta); 762fb9987d0SSujith 763fb9987d0SSujith /* tx_frame_hdr is larger than tx_mgmt_hdr anyway */ 764fb9987d0SSujith hw->extra_tx_headroom = sizeof(struct tx_frame_hdr) + 765fb9987d0SSujith sizeof(struct htc_frame_hdr) + 4; 766fb9987d0SSujith 767d4659912SFelix Fietkau if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) 76857fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_2GHZ] = 76957fbcce3SJohannes Berg &common->sbands[NL80211_BAND_2GHZ]; 770d4659912SFelix Fietkau if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) 77157fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ] = 77257fbcce3SJohannes Berg &common->sbands[NL80211_BAND_5GHZ]; 773fb9987d0SSujith 7746da2f4adSOleksij Rempel ath9k_cmn_reload_chainmask(ah); 775fb9987d0SSujith 776156652bbSBen Greear pBase = ath9k_htc_get_eeprom_base(priv); 777156652bbSBen Greear if (pBase) { 778156652bbSBen Greear hw->wiphy->available_antennas_rx = pBase->rxMask; 779156652bbSBen Greear hw->wiphy->available_antennas_tx = pBase->txMask; 780156652bbSBen Greear } 781156652bbSBen Greear 782fb9987d0SSujith SET_IEEE80211_PERM_ADDR(hw, common->macaddr); 783fb9987d0SSujith } 784fb9987d0SSujith 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 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 931fb9987d0SSujith int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, 932fa6e15e0SRajkumar Manoharan u16 devid, char *product, u32 drv_info) 933fb9987d0SSujith { 934fb9987d0SSujith struct ieee80211_hw *hw; 935fb9987d0SSujith struct ath9k_htc_priv *priv; 936fb9987d0SSujith int ret; 937fb9987d0SSujith 938fb9987d0SSujith hw = ieee80211_alloc_hw(sizeof(struct ath9k_htc_priv), &ath9k_htc_ops); 939fb9987d0SSujith if (!hw) 940fb9987d0SSujith return -ENOMEM; 941fb9987d0SSujith 942fb9987d0SSujith priv = hw->priv; 943fb9987d0SSujith priv->hw = hw; 944fb9987d0SSujith priv->htc = htc_handle; 945fb9987d0SSujith priv->dev = dev; 946fb9987d0SSujith htc_handle->drv_priv = priv; 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 967fb9987d0SSujith return 0; 968fb9987d0SSujith 969fb9987d0SSujith err_init: 970fb9987d0SSujith ath9k_deinit_wmi(priv); 971fb9987d0SSujith err_free: 972fb9987d0SSujith ieee80211_free_hw(hw); 973fb9987d0SSujith return ret; 974fb9987d0SSujith } 975fb9987d0SSujith 976fb9987d0SSujith void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug) 977fb9987d0SSujith { 978fb9987d0SSujith if (htc_handle->drv_priv) { 979a3be14b7SSujith 980a3be14b7SSujith /* Check if the device has been yanked out. */ 981a3be14b7SSujith if (hotunplug) 98297dcec57SSujith Manoharan htc_handle->drv_priv->ah->ah_flags |= AH_UNPLUGGED; 983a3be14b7SSujith 984fb9987d0SSujith ath9k_deinit_device(htc_handle->drv_priv); 985fb9987d0SSujith ath9k_deinit_wmi(htc_handle->drv_priv); 986fb9987d0SSujith ieee80211_free_hw(htc_handle->drv_priv->hw); 987fb9987d0SSujith } 988fb9987d0SSujith } 989fb9987d0SSujith 990fb9987d0SSujith #ifdef CONFIG_PM 991f933ebedSSujith Manoharan 992f933ebedSSujith Manoharan void ath9k_htc_suspend(struct htc_target *htc_handle) 993f933ebedSSujith Manoharan { 994f933ebedSSujith Manoharan ath9k_htc_setpower(htc_handle->drv_priv, ATH9K_PM_FULL_SLEEP); 995f933ebedSSujith Manoharan } 996f933ebedSSujith Manoharan 997fb9987d0SSujith int ath9k_htc_resume(struct htc_target *htc_handle) 998fb9987d0SSujith { 999fa6e15e0SRajkumar Manoharan struct ath9k_htc_priv *priv = htc_handle->drv_priv; 1000fb9987d0SSujith int ret; 1001fb9987d0SSujith 1002fa6e15e0SRajkumar Manoharan ret = ath9k_htc_wait_for_target(priv); 1003fb9987d0SSujith if (ret) 1004fb9987d0SSujith return ret; 1005fb9987d0SSujith 1006fa6e15e0SRajkumar Manoharan ret = ath9k_init_htc_services(priv, priv->ah->hw_version.devid, 10070b5ead91SSujith Manoharan priv->ah->hw_version.usbdev); 10081e51acaaSOleksij Rempel ath9k_configure_leds(priv); 10091e51acaaSOleksij Rempel 1010fb9987d0SSujith return ret; 1011fb9987d0SSujith } 1012fb9987d0SSujith #endif 1013fb9987d0SSujith 1014fb9987d0SSujith static int __init ath9k_htc_init(void) 1015fb9987d0SSujith { 1016e5facc75SRajkumar Manoharan if (ath9k_hif_usb_init() < 0) { 1017516304b0SJoe Perches pr_err("No USB devices found, driver not installed\n"); 1018e5facc75SRajkumar Manoharan return -ENODEV; 1019fb9987d0SSujith } 1020fb9987d0SSujith 1021fb9987d0SSujith return 0; 1022fb9987d0SSujith } 1023fb9987d0SSujith module_init(ath9k_htc_init); 1024fb9987d0SSujith 1025fb9987d0SSujith static void __exit ath9k_htc_exit(void) 1026fb9987d0SSujith { 1027fb9987d0SSujith ath9k_hif_usb_exit(); 1028516304b0SJoe Perches pr_info("Driver unloaded\n"); 1029fb9987d0SSujith } 1030fb9987d0SSujith module_exit(ath9k_htc_exit); 1031