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path: root/drivers/net/wireless/ath/ath9k/htc_drv_init.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/htc_drv_init.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/htc_drv_init.c1030
1 files changed, 1030 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
new file mode 100644
index 0000000..1814a0e
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -0,0 +1,1030 @@
+/*
+ * Copyright (c) 2010-2011 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include "htc.h"
+
+MODULE_AUTHOR("Atheros Communications");
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION("Atheros driver 802.11n HTC based wireless devices");
+
+static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
+module_param_named(debug, ath9k_debug, uint, 0);
+MODULE_PARM_DESC(debug, "Debugging mask");
+
+int htc_modparam_nohwcrypt;
+module_param_named(nohwcrypt, htc_modparam_nohwcrypt, int, 0444);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
+
+static int ath9k_htc_btcoex_enable;
+module_param_named(btcoex_enable, ath9k_htc_btcoex_enable, int, 0444);
+MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
+
+static int ath9k_ps_enable;
+module_param_named(ps_enable, ath9k_ps_enable, int, 0444);
+MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave");
+
+int htc_use_dev_fw = 0;
+module_param_named(use_dev_fw, htc_use_dev_fw, int, 0444);
+MODULE_PARM_DESC(use_dev_fw, "Use development FW version");
+
+#ifdef CPTCFG_MAC80211_LEDS
+int ath9k_htc_led_blink = 1;
+module_param_named(blink, ath9k_htc_led_blink, int, 0444);
+MODULE_PARM_DESC(blink, "Enable LED blink on activity");
+
+static const struct ieee80211_tpt_blink ath9k_htc_tpt_blink[] = {
+ { .throughput = 0 * 1024, .blink_time = 334 },
+ { .throughput = 1 * 1024, .blink_time = 260 },
+ { .throughput = 5 * 1024, .blink_time = 220 },
+ { .throughput = 10 * 1024, .blink_time = 190 },
+ { .throughput = 20 * 1024, .blink_time = 170 },
+ { .throughput = 50 * 1024, .blink_time = 150 },
+ { .throughput = 70 * 1024, .blink_time = 130 },
+ { .throughput = 100 * 1024, .blink_time = 110 },
+ { .throughput = 200 * 1024, .blink_time = 80 },
+ { .throughput = 300 * 1024, .blink_time = 50 },
+};
+#endif
+
+static void ath9k_htc_op_ps_wakeup(struct ath_common *common)
+{
+ ath9k_htc_ps_wakeup((struct ath9k_htc_priv *) common->priv);
+}
+
+static void ath9k_htc_op_ps_restore(struct ath_common *common)
+{
+ ath9k_htc_ps_restore((struct ath9k_htc_priv *) common->priv);
+}
+
+static struct ath_ps_ops ath9k_htc_ps_ops = {
+ .wakeup = ath9k_htc_op_ps_wakeup,
+ .restore = ath9k_htc_op_ps_restore,
+};
+
+static int ath9k_htc_wait_for_target(struct ath9k_htc_priv *priv)
+{
+ unsigned long time_left;
+
+ if (atomic_read(&priv->htc->tgt_ready) > 0) {
+ atomic_dec(&priv->htc->tgt_ready);
+ return 0;
+ }
+
+ /* Firmware can take up to 50ms to get ready, to be safe use 1 second */
+ time_left = wait_for_completion_timeout(&priv->htc->target_wait, HZ);
+ if (!time_left) {
+ dev_err(priv->dev, "ath9k_htc: Target is unresponsive\n");
+ return -ETIMEDOUT;
+ }
+
+ atomic_dec(&priv->htc->tgt_ready);
+
+ return 0;
+}
+
+static void ath9k_deinit_priv(struct ath9k_htc_priv *priv)
+{
+ ath9k_hw_deinit(priv->ah);
+ kfree(priv->ah);
+ priv->ah = NULL;
+}
+
+static void ath9k_deinit_device(struct ath9k_htc_priv *priv)
+{
+ struct ieee80211_hw *hw = priv->hw;
+
+ wiphy_rfkill_stop_polling(hw->wiphy);
+ ath9k_deinit_leds(priv);
+ ath9k_htc_deinit_debug(priv);
+ ieee80211_unregister_hw(hw);
+ ath9k_rx_cleanup(priv);
+ ath9k_tx_cleanup(priv);
+ ath9k_deinit_priv(priv);
+}
+
+static inline int 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)
+{
+ struct htc_service_connreq req;
+
+ memset(&req, 0, sizeof(struct htc_service_connreq));
+
+ req.service_id = service_id;
+ req.ep_callbacks.priv = priv;
+ req.ep_callbacks.rx = ath9k_htc_rxep;
+ req.ep_callbacks.tx = tx;
+
+ return htc_connect_service(priv->htc, &req, ep_id);
+}
+
+static int ath9k_init_htc_services(struct ath9k_htc_priv *priv, u16 devid,
+ u32 drv_info)
+{
+ int ret;
+
+ /* WMI CMD*/
+ ret = ath9k_wmi_connect(priv->htc, priv->wmi, &priv->wmi_cmd_ep);
+ if (ret)
+ goto err;
+
+ /* Beacon */
+ ret = ath9k_htc_connect_svc(priv, WMI_BEACON_SVC, ath9k_htc_beaconep,
+ &priv->beacon_ep);
+ if (ret)
+ goto err;
+
+ /* CAB */
+ ret = ath9k_htc_connect_svc(priv, WMI_CAB_SVC, ath9k_htc_txep,
+ &priv->cab_ep);
+ if (ret)
+ goto err;
+
+
+ /* UAPSD */
+ ret = ath9k_htc_connect_svc(priv, WMI_UAPSD_SVC, ath9k_htc_txep,
+ &priv->uapsd_ep);
+ if (ret)
+ goto err;
+
+ /* MGMT */
+ ret = ath9k_htc_connect_svc(priv, WMI_MGMT_SVC, ath9k_htc_txep,
+ &priv->mgmt_ep);
+ if (ret)
+ goto err;
+
+ /* DATA BE */
+ ret = ath9k_htc_connect_svc(priv, WMI_DATA_BE_SVC, ath9k_htc_txep,
+ &priv->data_be_ep);
+ if (ret)
+ goto err;
+
+ /* DATA BK */
+ ret = ath9k_htc_connect_svc(priv, WMI_DATA_BK_SVC, ath9k_htc_txep,
+ &priv->data_bk_ep);
+ if (ret)
+ goto err;
+
+ /* DATA VI */
+ ret = ath9k_htc_connect_svc(priv, WMI_DATA_VI_SVC, ath9k_htc_txep,
+ &priv->data_vi_ep);
+ if (ret)
+ goto err;
+
+ /* DATA VO */
+ ret = ath9k_htc_connect_svc(priv, WMI_DATA_VO_SVC, ath9k_htc_txep,
+ &priv->data_vo_ep);
+ if (ret)
+ goto err;
+
+ /*
+ * Setup required credits before initializing HTC.
+ * This is a bit hacky, but, since queuing is done in
+ * the HIF layer, shouldn't matter much.
+ */
+
+ if (IS_AR7010_DEVICE(drv_info))
+ priv->htc->credits = 45;
+ else
+ priv->htc->credits = 33;
+
+ ret = htc_init(priv->htc);
+ if (ret)
+ goto err;
+
+ dev_info(priv->dev, "ath9k_htc: HTC initialized with %d credits\n",
+ priv->htc->credits);
+
+ return 0;
+
+err:
+ dev_err(priv->dev, "ath9k_htc: Unable to initialize HTC services\n");
+ return ret;
+}
+
+static void ath9k_reg_notifier(struct wiphy *wiphy,
+ struct regulatory_request *request)
+{
+ struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+ struct ath9k_htc_priv *priv = hw->priv;
+
+ ath_reg_notifier_apply(wiphy, request,
+ ath9k_hw_regulatory(priv->ah));
+}
+
+static unsigned int ath9k_regread(void *hw_priv, u32 reg_offset)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+ __be32 val, reg = cpu_to_be32(reg_offset);
+ int r;
+
+ r = ath9k_wmi_cmd(priv->wmi, WMI_REG_READ_CMDID,
+ (u8 *) &reg, sizeof(reg),
+ (u8 *) &val, sizeof(val),
+ 100);
+ if (unlikely(r)) {
+ ath_dbg(common, WMI, "REGISTER READ FAILED: (0x%04x, %d)\n",
+ reg_offset, r);
+ return -EIO;
+ }
+
+ return be32_to_cpu(val);
+}
+
+static void ath9k_multi_regread(void *hw_priv, u32 *addr,
+ u32 *val, u16 count)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+ __be32 tmpaddr[8];
+ __be32 tmpval[8];
+ int i, ret;
+
+ for (i = 0; i < count; i++) {
+ tmpaddr[i] = cpu_to_be32(addr[i]);
+ }
+
+ ret = ath9k_wmi_cmd(priv->wmi, WMI_REG_READ_CMDID,
+ (u8 *)tmpaddr , sizeof(u32) * count,
+ (u8 *)tmpval, sizeof(u32) * count,
+ 100);
+ if (unlikely(ret)) {
+ ath_dbg(common, WMI,
+ "Multiple REGISTER READ FAILED (count: %d)\n", count);
+ }
+
+ for (i = 0; i < count; i++) {
+ val[i] = be32_to_cpu(tmpval[i]);
+ }
+}
+
+static void ath9k_regwrite_multi(struct ath_common *common)
+{
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+ u32 rsp_status;
+ int r;
+
+ r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID,
+ (u8 *) &priv->wmi->multi_write,
+ sizeof(struct register_write) * priv->wmi->multi_write_idx,
+ (u8 *) &rsp_status, sizeof(rsp_status),
+ 100);
+ if (unlikely(r)) {
+ ath_dbg(common, WMI,
+ "REGISTER WRITE FAILED, multi len: %d\n",
+ priv->wmi->multi_write_idx);
+ }
+ priv->wmi->multi_write_idx = 0;
+}
+
+static void ath9k_regwrite_single(void *hw_priv, u32 val, u32 reg_offset)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+ const __be32 buf[2] = {
+ cpu_to_be32(reg_offset),
+ cpu_to_be32(val),
+ };
+ int r;
+
+ r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID,
+ (u8 *) &buf, sizeof(buf),
+ (u8 *) &val, sizeof(val),
+ 100);
+ if (unlikely(r)) {
+ ath_dbg(common, WMI, "REGISTER WRITE FAILED:(0x%04x, %d)\n",
+ reg_offset, r);
+ }
+}
+
+static void ath9k_regwrite_buffer(void *hw_priv, u32 val, u32 reg_offset)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+
+ mutex_lock(&priv->wmi->multi_write_mutex);
+
+ /* Store the register/value */
+ priv->wmi->multi_write[priv->wmi->multi_write_idx].reg =
+ cpu_to_be32(reg_offset);
+ priv->wmi->multi_write[priv->wmi->multi_write_idx].val =
+ cpu_to_be32(val);
+
+ priv->wmi->multi_write_idx++;
+
+ /* If the buffer is full, send it out. */
+ if (priv->wmi->multi_write_idx == MAX_CMD_NUMBER)
+ ath9k_regwrite_multi(common);
+
+ mutex_unlock(&priv->wmi->multi_write_mutex);
+}
+
+static void ath9k_regwrite(void *hw_priv, u32 val, u32 reg_offset)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+
+ if (atomic_read(&priv->wmi->mwrite_cnt))
+ ath9k_regwrite_buffer(hw_priv, val, reg_offset);
+ else
+ ath9k_regwrite_single(hw_priv, val, reg_offset);
+}
+
+static void ath9k_enable_regwrite_buffer(void *hw_priv)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+
+ atomic_inc(&priv->wmi->mwrite_cnt);
+}
+
+static void ath9k_regwrite_flush(void *hw_priv)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+
+ atomic_dec(&priv->wmi->mwrite_cnt);
+
+ mutex_lock(&priv->wmi->multi_write_mutex);
+
+ if (priv->wmi->multi_write_idx)
+ ath9k_regwrite_multi(common);
+
+ mutex_unlock(&priv->wmi->multi_write_mutex);
+}
+
+static void ath9k_reg_rmw_buffer(void *hw_priv,
+ u32 reg_offset, u32 set, u32 clr)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+ u32 rsp_status;
+ int r;
+
+ mutex_lock(&priv->wmi->multi_rmw_mutex);
+
+ /* Store the register/value */
+ priv->wmi->multi_rmw[priv->wmi->multi_rmw_idx].reg =
+ cpu_to_be32(reg_offset);
+ priv->wmi->multi_rmw[priv->wmi->multi_rmw_idx].set =
+ cpu_to_be32(set);
+ priv->wmi->multi_rmw[priv->wmi->multi_rmw_idx].clr =
+ cpu_to_be32(clr);
+
+ priv->wmi->multi_rmw_idx++;
+
+ /* If the buffer is full, send it out. */
+ if (priv->wmi->multi_rmw_idx == MAX_RMW_CMD_NUMBER) {
+ r = ath9k_wmi_cmd(priv->wmi, WMI_REG_RMW_CMDID,
+ (u8 *) &priv->wmi->multi_rmw,
+ sizeof(struct register_write) * priv->wmi->multi_rmw_idx,
+ (u8 *) &rsp_status, sizeof(rsp_status),
+ 100);
+ if (unlikely(r)) {
+ ath_dbg(common, WMI,
+ "REGISTER RMW FAILED, multi len: %d\n",
+ priv->wmi->multi_rmw_idx);
+ }
+ priv->wmi->multi_rmw_idx = 0;
+ }
+
+ mutex_unlock(&priv->wmi->multi_rmw_mutex);
+}
+
+static void ath9k_reg_rmw_flush(void *hw_priv)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+ u32 rsp_status;
+ int r;
+
+ if (test_bit(HTC_FWFLAG_NO_RMW, &priv->fw_flags))
+ return;
+
+ atomic_dec(&priv->wmi->m_rmw_cnt);
+
+ mutex_lock(&priv->wmi->multi_rmw_mutex);
+
+ if (priv->wmi->multi_rmw_idx) {
+ r = ath9k_wmi_cmd(priv->wmi, WMI_REG_RMW_CMDID,
+ (u8 *) &priv->wmi->multi_rmw,
+ sizeof(struct register_rmw) * priv->wmi->multi_rmw_idx,
+ (u8 *) &rsp_status, sizeof(rsp_status),
+ 100);
+ if (unlikely(r)) {
+ ath_dbg(common, WMI,
+ "REGISTER RMW FAILED, multi len: %d\n",
+ priv->wmi->multi_rmw_idx);
+ }
+ priv->wmi->multi_rmw_idx = 0;
+ }
+
+ mutex_unlock(&priv->wmi->multi_rmw_mutex);
+}
+
+static void ath9k_enable_rmw_buffer(void *hw_priv)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+
+ if (test_bit(HTC_FWFLAG_NO_RMW, &priv->fw_flags))
+ return;
+
+ atomic_inc(&priv->wmi->m_rmw_cnt);
+}
+
+static u32 ath9k_reg_rmw_single(void *hw_priv,
+ u32 reg_offset, u32 set, u32 clr)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+ struct register_rmw buf, buf_ret;
+ int ret;
+ u32 val = 0;
+
+ buf.reg = cpu_to_be32(reg_offset);
+ buf.set = cpu_to_be32(set);
+ buf.clr = cpu_to_be32(clr);
+
+ ret = ath9k_wmi_cmd(priv->wmi, WMI_REG_RMW_CMDID,
+ (u8 *) &buf, sizeof(buf),
+ (u8 *) &buf_ret, sizeof(buf_ret),
+ 100);
+ if (unlikely(ret)) {
+ ath_dbg(common, WMI, "REGISTER RMW FAILED:(0x%04x, %d)\n",
+ reg_offset, ret);
+ }
+ return val;
+}
+
+static u32 ath9k_reg_rmw(void *hw_priv, u32 reg_offset, u32 set, u32 clr)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+
+ if (test_bit(HTC_FWFLAG_NO_RMW, &priv->fw_flags)) {
+ u32 val;
+
+ val = REG_READ(ah, reg_offset);
+ val &= ~clr;
+ val |= set;
+ REG_WRITE(ah, reg_offset, val);
+
+ return 0;
+ }
+
+ if (atomic_read(&priv->wmi->m_rmw_cnt))
+ ath9k_reg_rmw_buffer(hw_priv, reg_offset, set, clr);
+ else
+ ath9k_reg_rmw_single(hw_priv, reg_offset, set, clr);
+
+ return 0;
+}
+
+static void ath_usb_read_cachesize(struct ath_common *common, int *csz)
+{
+ *csz = L1_CACHE_BYTES >> 2;
+}
+
+static bool ath_usb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
+{
+ struct ath_hw *ah = (struct ath_hw *) common->ah;
+
+ (void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
+
+ if (!ath9k_hw_wait(ah,
+ AR_EEPROM_STATUS_DATA,
+ AR_EEPROM_STATUS_DATA_BUSY |
+ AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
+ AH_WAIT_TIMEOUT))
+ return false;
+
+ *data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA),
+ AR_EEPROM_STATUS_DATA_VAL);
+
+ return true;
+}
+
+static const struct ath_bus_ops ath9k_usb_bus_ops = {
+ .ath_bus_type = ATH_USB,
+ .read_cachesize = ath_usb_read_cachesize,
+ .eeprom_read = ath_usb_eeprom_read,
+};
+
+static int ath9k_init_queues(struct ath9k_htc_priv *priv)
+{
+ struct ath_common *common = ath9k_hw_common(priv->ah);
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(priv->hwq_map); i++)
+ priv->hwq_map[i] = -1;
+
+ priv->beacon.beaconq = ath9k_hw_beaconq_setup(priv->ah);
+ if (priv->beacon.beaconq == -1) {
+ ath_err(common, "Unable to setup BEACON xmit queue\n");
+ goto err;
+ }
+
+ priv->cabq = ath9k_htc_cabq_setup(priv);
+ if (priv->cabq == -1) {
+ ath_err(common, "Unable to setup CAB xmit queue\n");
+ goto err;
+ }
+
+ if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_BE)) {
+ ath_err(common, "Unable to setup xmit queue for BE traffic\n");
+ goto err;
+ }
+
+ if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_BK)) {
+ ath_err(common, "Unable to setup xmit queue for BK traffic\n");
+ goto err;
+ }
+ if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_VI)) {
+ ath_err(common, "Unable to setup xmit queue for VI traffic\n");
+ goto err;
+ }
+ if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_VO)) {
+ ath_err(common, "Unable to setup xmit queue for VO traffic\n");
+ goto err;
+ }
+
+ return 0;
+
+err:
+ return -EINVAL;
+}
+
+static void ath9k_init_misc(struct ath9k_htc_priv *priv)
+{
+ struct ath_common *common = ath9k_hw_common(priv->ah);
+
+ memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
+
+ common->last_rssi = ATH_RSSI_DUMMY_MARKER;
+ priv->ah->opmode = NL80211_IFTYPE_STATION;
+
+ priv->spec_priv.ah = priv->ah;
+ priv->spec_priv.spec_config.enabled = 0;
+ priv->spec_priv.spec_config.short_repeat = true;
+ priv->spec_priv.spec_config.count = 8;
+ priv->spec_priv.spec_config.endless = false;
+ priv->spec_priv.spec_config.period = 0x12;
+ priv->spec_priv.spec_config.fft_period = 0x02;
+}
+
+static int ath9k_init_priv(struct ath9k_htc_priv *priv,
+ u16 devid, char *product,
+ u32 drv_info)
+{
+ struct ath_hw *ah = NULL;
+ struct ath_common *common;
+ int i, ret = 0, csz = 0;
+
+ ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
+ if (!ah)
+ return -ENOMEM;
+
+ ah->dev = priv->dev;
+ ah->hw = priv->hw;
+ ah->hw_version.devid = devid;
+ ah->hw_version.usbdev = drv_info;
+ ah->ah_flags |= AH_USE_EEPROM;
+ ah->reg_ops.read = ath9k_regread;
+ ah->reg_ops.multi_read = ath9k_multi_regread;
+ ah->reg_ops.write = ath9k_regwrite;
+ ah->reg_ops.enable_write_buffer = ath9k_enable_regwrite_buffer;
+ ah->reg_ops.write_flush = ath9k_regwrite_flush;
+ ah->reg_ops.enable_rmw_buffer = ath9k_enable_rmw_buffer;
+ ah->reg_ops.rmw_flush = ath9k_reg_rmw_flush;
+ ah->reg_ops.rmw = ath9k_reg_rmw;
+ priv->ah = ah;
+
+ common = ath9k_hw_common(ah);
+ common->ops = &ah->reg_ops;
+ common->ps_ops = &ath9k_htc_ps_ops;
+ common->bus_ops = &ath9k_usb_bus_ops;
+ common->ah = ah;
+ common->hw = priv->hw;
+ common->priv = priv;
+ common->debug_mask = ath9k_debug;
+ common->btcoex_enabled = ath9k_htc_btcoex_enable == 1;
+ set_bit(ATH_OP_INVALID, &common->op_flags);
+
+ spin_lock_init(&priv->beacon_lock);
+ spin_lock_init(&priv->tx.tx_lock);
+ mutex_init(&priv->mutex);
+ mutex_init(&priv->htc_pm_lock);
+ tasklet_init(&priv->rx_tasklet, ath9k_rx_tasklet,
+ (unsigned long)priv);
+ tasklet_init(&priv->tx_failed_tasklet, ath9k_tx_failed_tasklet,
+ (unsigned long)priv);
+ INIT_DELAYED_WORK(&priv->ani_work, ath9k_htc_ani_work);
+ INIT_WORK(&priv->ps_work, ath9k_ps_work);
+ INIT_WORK(&priv->fatal_work, ath9k_fatal_work);
+ setup_timer(&priv->tx.cleanup_timer, ath9k_htc_tx_cleanup_timer,
+ (unsigned long)priv);
+
+ /*
+ * Cache line size is used to size and align various
+ * structures used to communicate with the hardware.
+ */
+ ath_read_cachesize(common, &csz);
+ common->cachelsz = csz << 2; /* convert to bytes */
+
+ ret = ath9k_hw_init(ah);
+ if (ret) {
+ ath_err(common,
+ "Unable to initialize hardware; initialization status: %d\n",
+ ret);
+ goto err_hw;
+ }
+
+ ret = ath9k_init_queues(priv);
+ if (ret)
+ goto err_queues;
+
+ for (i = 0; i < ATH9K_HTC_MAX_BCN_VIF; i++)
+ priv->beacon.bslot[i] = NULL;
+ priv->beacon.slottime = 9;
+
+ ath9k_cmn_init_channels_rates(common);
+ ath9k_cmn_init_crypto(ah);
+ ath9k_init_misc(priv);
+ ath9k_htc_init_btcoex(priv, product);
+
+ return 0;
+
+err_queues:
+ ath9k_hw_deinit(ah);
+err_hw:
+
+ kfree(ah);
+ priv->ah = NULL;
+
+ return ret;
+}
+
+static const struct ieee80211_iface_limit if_limits[] = {
+ { .max = 2, .types = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) },
+ { .max = 2, .types = BIT(NL80211_IFTYPE_AP) |
+#ifdef CPTCFG_MAC80211_MESH
+ BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+ BIT(NL80211_IFTYPE_P2P_GO) },
+};
+
+static const struct ieee80211_iface_combination if_comb = {
+ .limits = if_limits,
+ .n_limits = ARRAY_SIZE(if_limits),
+ .max_interfaces = 2,
+ .num_different_channels = 1,
+};
+
+static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
+ struct ieee80211_hw *hw)
+{
+ struct ath_hw *ah = priv->ah;
+ struct ath_common *common = ath9k_hw_common(priv->ah);
+ struct base_eep_header *pBase;
+
+ ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING);
+ ieee80211_hw_set(hw, MFP_CAPABLE);
+ ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
+ ieee80211_hw_set(hw, PS_NULLFUNC_STACK);
+ ieee80211_hw_set(hw, RX_INCLUDES_FCS);
+ ieee80211_hw_set(hw, HAS_RATE_CONTROL);
+ ieee80211_hw_set(hw, SPECTRUM_MGMT);
+ ieee80211_hw_set(hw, SIGNAL_DBM);
+ ieee80211_hw_set(hw, AMPDU_AGGREGATION);
+
+ if (ath9k_ps_enable)
+ ieee80211_hw_set(hw, SUPPORTS_PS);
+
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC) |
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_GO) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_MESH_POINT) |
+ BIT(NL80211_IFTYPE_OCB);
+
+ hw->wiphy->iface_combinations = &if_comb;
+ hw->wiphy->n_iface_combinations = 1;
+
+ hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+
+ hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN |
+ WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
+ WIPHY_FLAG_HAS_CHANNEL_SWITCH;
+
+ hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
+
+ hw->queues = 4;
+ hw->max_listen_interval = 1;
+
+ hw->vif_data_size = sizeof(struct ath9k_htc_vif);
+ hw->sta_data_size = sizeof(struct ath9k_htc_sta);
+
+ /* tx_frame_hdr is larger than tx_mgmt_hdr anyway */
+ hw->extra_tx_headroom = sizeof(struct tx_frame_hdr) +
+ sizeof(struct htc_frame_hdr) + 4;
+
+ if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
+ hw->wiphy->bands[NL80211_BAND_2GHZ] =
+ &common->sbands[NL80211_BAND_2GHZ];
+ if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
+ hw->wiphy->bands[NL80211_BAND_5GHZ] =
+ &common->sbands[NL80211_BAND_5GHZ];
+
+ ath9k_cmn_reload_chainmask(ah);
+
+ pBase = ath9k_htc_get_eeprom_base(priv);
+ if (pBase) {
+ hw->wiphy->available_antennas_rx = pBase->rxMask;
+ hw->wiphy->available_antennas_tx = pBase->txMask;
+ }
+
+ SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
+}
+
+static int ath9k_init_firmware_version(struct ath9k_htc_priv *priv)
+{
+ struct ieee80211_hw *hw = priv->hw;
+ struct wmi_fw_version cmd_rsp;
+ int ret;
+
+ memset(&cmd_rsp, 0, sizeof(cmd_rsp));
+
+ WMI_CMD(WMI_GET_FW_VERSION);
+ if (ret)
+ return -EINVAL;
+
+ priv->fw_version_major = be16_to_cpu(cmd_rsp.major);
+ priv->fw_version_minor = be16_to_cpu(cmd_rsp.minor);
+
+ snprintf(hw->wiphy->fw_version, sizeof(hw->wiphy->fw_version), "%d.%d",
+ priv->fw_version_major,
+ priv->fw_version_minor);
+
+ dev_info(priv->dev, "ath9k_htc: FW Version: %d.%d\n",
+ priv->fw_version_major,
+ priv->fw_version_minor);
+
+ /*
+ * Check if the available FW matches the driver's
+ * required version.
+ */
+ if (priv->fw_version_major != MAJOR_VERSION_REQ ||
+ priv->fw_version_minor < MINOR_VERSION_REQ) {
+ dev_err(priv->dev, "ath9k_htc: Please upgrade to FW version %d.%d\n",
+ MAJOR_VERSION_REQ, MINOR_VERSION_REQ);
+ return -EINVAL;
+ }
+
+ if (priv->fw_version_major == 1 && priv->fw_version_minor < 4)
+ set_bit(HTC_FWFLAG_NO_RMW, &priv->fw_flags);
+
+ dev_info(priv->dev, "FW RMW support: %s\n",
+ test_bit(HTC_FWFLAG_NO_RMW, &priv->fw_flags) ? "Off" : "On");
+
+ return 0;
+}
+
+static int ath9k_init_device(struct ath9k_htc_priv *priv,
+ u16 devid, char *product, u32 drv_info)
+{
+ struct ieee80211_hw *hw = priv->hw;
+ struct ath_common *common;
+ struct ath_hw *ah;
+ int error = 0;
+ struct ath_regulatory *reg;
+ char hw_name[64];
+
+ /* Bring up device */
+ error = ath9k_init_priv(priv, devid, product, drv_info);
+ if (error != 0)
+ goto err_init;
+
+ ah = priv->ah;
+ common = ath9k_hw_common(ah);
+ ath9k_set_hw_capab(priv, hw);
+
+ error = ath9k_init_firmware_version(priv);
+ if (error != 0)
+ goto err_fw;
+
+ /* Initialize regulatory */
+ error = ath_regd_init(&common->regulatory, priv->hw->wiphy,
+ ath9k_reg_notifier);
+ if (error)
+ goto err_regd;
+
+ reg = &common->regulatory;
+
+ /* Setup TX */
+ error = ath9k_tx_init(priv);
+ if (error != 0)
+ goto err_tx;
+
+ /* Setup RX */
+ error = ath9k_rx_init(priv);
+ if (error != 0)
+ goto err_rx;
+
+ ath9k_hw_disable(priv->ah);
+#ifdef CPTCFG_MAC80211_LEDS
+ /* must be initialized before ieee80211_register_hw */
+ priv->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(priv->hw,
+ IEEE80211_TPT_LEDTRIG_FL_RADIO, ath9k_htc_tpt_blink,
+ ARRAY_SIZE(ath9k_htc_tpt_blink));
+#endif
+
+ /* Register with mac80211 */
+ error = ieee80211_register_hw(hw);
+ if (error)
+ goto err_register;
+
+ /* Handle world regulatory */
+ if (!ath_is_world_regd(reg)) {
+ error = regulatory_hint(hw->wiphy, reg->alpha2);
+ if (error)
+ goto err_world;
+ }
+
+ error = ath9k_htc_init_debug(priv->ah);
+ if (error) {
+ ath_err(common, "Unable to create debugfs files\n");
+ goto err_world;
+ }
+
+ ath_dbg(common, CONFIG,
+ "WMI:%d, BCN:%d, CAB:%d, UAPSD:%d, MGMT:%d, BE:%d, BK:%d, VI:%d, VO:%d\n",
+ priv->wmi_cmd_ep,
+ priv->beacon_ep,
+ priv->cab_ep,
+ priv->uapsd_ep,
+ priv->mgmt_ep,
+ priv->data_be_ep,
+ priv->data_bk_ep,
+ priv->data_vi_ep,
+ priv->data_vo_ep);
+
+ ath9k_hw_name(priv->ah, hw_name, sizeof(hw_name));
+ wiphy_info(hw->wiphy, "%s\n", hw_name);
+
+ ath9k_init_leds(priv);
+ ath9k_start_rfkill_poll(priv);
+
+ return 0;
+
+err_world:
+ ieee80211_unregister_hw(hw);
+err_register:
+ ath9k_rx_cleanup(priv);
+err_rx:
+ ath9k_tx_cleanup(priv);
+err_tx:
+ /* Nothing */
+err_regd:
+ /* Nothing */
+err_fw:
+ ath9k_deinit_priv(priv);
+err_init:
+ return error;
+}
+
+int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
+ u16 devid, char *product, u32 drv_info)
+{
+ struct ieee80211_hw *hw;
+ struct ath9k_htc_priv *priv;
+ int ret;
+
+ hw = ieee80211_alloc_hw(sizeof(struct ath9k_htc_priv), &ath9k_htc_ops);
+ if (!hw)
+ return -ENOMEM;
+
+ priv = hw->priv;
+ priv->hw = hw;
+ priv->htc = htc_handle;
+ priv->dev = dev;
+ htc_handle->drv_priv = priv;
+ SET_IEEE80211_DEV(hw, priv->dev);
+
+ ret = ath9k_htc_wait_for_target(priv);
+ if (ret)
+ goto err_free;
+
+ priv->wmi = ath9k_init_wmi(priv);
+ if (!priv->wmi) {
+ ret = -EINVAL;
+ goto err_free;
+ }
+
+ ret = ath9k_init_htc_services(priv, devid, drv_info);
+ if (ret)
+ goto err_init;
+
+ ret = ath9k_init_device(priv, devid, product, drv_info);
+ if (ret)
+ goto err_init;
+
+ return 0;
+
+err_init:
+ ath9k_deinit_wmi(priv);
+err_free:
+ ieee80211_free_hw(hw);
+ return ret;
+}
+
+void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug)
+{
+ if (htc_handle->drv_priv) {
+
+ /* Check if the device has been yanked out. */
+ if (hotunplug)
+ htc_handle->drv_priv->ah->ah_flags |= AH_UNPLUGGED;
+
+ ath9k_deinit_device(htc_handle->drv_priv);
+ ath9k_deinit_wmi(htc_handle->drv_priv);
+ ieee80211_free_hw(htc_handle->drv_priv->hw);
+ }
+}
+
+#ifdef CONFIG_PM
+
+void ath9k_htc_suspend(struct htc_target *htc_handle)
+{
+ ath9k_htc_setpower(htc_handle->drv_priv, ATH9K_PM_FULL_SLEEP);
+}
+
+int ath9k_htc_resume(struct htc_target *htc_handle)
+{
+ struct ath9k_htc_priv *priv = htc_handle->drv_priv;
+ int ret;
+
+ ret = ath9k_htc_wait_for_target(priv);
+ if (ret)
+ return ret;
+
+ ret = ath9k_init_htc_services(priv, priv->ah->hw_version.devid,
+ priv->ah->hw_version.usbdev);
+ ath9k_configure_leds(priv);
+
+ return ret;
+}
+#endif
+
+static int __init ath9k_htc_init(void)
+{
+ if (ath9k_hif_usb_init() < 0) {
+ pr_err("No USB devices found, driver not installed\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+module_init(ath9k_htc_init);
+
+static void __exit ath9k_htc_exit(void)
+{
+ ath9k_hif_usb_exit();
+ pr_info("Driver unloaded\n");
+}
+module_exit(ath9k_htc_exit);