---

yaml
---
r: 352172
b: refs/heads/master
c: 6b70e7e
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 978cd3a0b82969c1f85942e208f8a00412964ef6
+refs/heads/master: 6b70e7eb70cd6c5ad445ec02f74b84131a4c721a

trunk/drivers/net/wireless/ti/wl18xx/event.c

@@ -34,6 +34,10 @@ int wl18xx_wait_for_event(struct wl1271 *wl, enum wlcore_wait_event event,
 		local_event = PEER_REMOVE_COMPLETE_EVENT_ID;
 		break;
 
+	case WLCORE_EVENT_DFS_CONFIG_COMPLETE:
+		local_event = DFS_CHANNELS_CONFIG_COMPLETE_EVENT;
+		break;
+
 	default:
 		/* event not implemented */
 		return 0;

trunk/drivers/net/wireless/ti/wl18xx/main.c

@@ -616,6 +616,7 @@ static int wl18xx_identify_chip(struct wl1271 *wl)
 			      WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN |
 			      WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN |
 			      WLCORE_QUIRK_TX_PAD_LAST_FRAME |
+			      WLCORE_QUIRK_REGDOMAIN_CONF |
 			      WLCORE_QUIRK_DUAL_PROBE_TMPL;
 
 		wlcore_set_min_fw_ver(wl, WL18XX_CHIP_VER, WL18XX_IFTYPE_VER,
@@ -862,7 +863,8 @@ static int wl18xx_boot(struct wl1271 *wl)
 		REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID |
 		INACTIVE_STA_EVENT_ID |
 		MAX_TX_FAILURE_EVENT_ID |
-		CHANNEL_SWITCH_COMPLETE_EVENT_ID;
+		CHANNEL_SWITCH_COMPLETE_EVENT_ID |
+		DFS_CHANNELS_CONFIG_COMPLETE_EVENT;
 
 	ret = wlcore_boot_run_firmware(wl);
 	if (ret < 0)

trunk/drivers/net/wireless/ti/wlcore/cmd.c

@@ -1503,6 +1503,131 @@ int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid)
 	return ret;
 }
 
+static int wlcore_get_reg_conf_ch_idx(enum ieee80211_band band, u16 ch)
+{
+	int idx = -1;
+
+	switch (band) {
+	case IEEE80211_BAND_5GHZ:
+		if (ch >= 8 && ch <= 16)
+			idx = ((ch-8)/4 + 18);
+		else if (ch >= 34 && ch <= 64)
+			idx = ((ch-34)/2 + 3 + 18);
+		else if (ch >= 100 && ch <= 140)
+			idx = ((ch-100)/4 + 15 + 18);
+		else if (ch >= 149 && ch <= 165)
+			idx = ((ch-149)/4 + 26 + 18);
+		else
+			idx = -1;
+		break;
+	case IEEE80211_BAND_2GHZ:
+		if (ch >= 1 && ch <= 14)
+			idx = ch - 1;
+		else
+			idx = -1;
+		break;
+	default:
+		wl1271_error("get reg conf ch idx - unknown band: %d",
+			     (int)band);
+	}
+
+	return idx;
+}
+
+void wlcore_set_pending_regdomain_ch(struct wl1271 *wl, u16 channel,
+				     enum ieee80211_band band)
+{
+	int ch_bit_idx = 0;
+
+	if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF))
+		return;
+
+	ch_bit_idx = wlcore_get_reg_conf_ch_idx(band, channel);
+
+	if (ch_bit_idx > 0 && ch_bit_idx <= WL1271_MAX_CHANNELS)
+		set_bit(ch_bit_idx, (long *)wl->reg_ch_conf_pending);
+}
+
+int wlcore_cmd_regdomain_config_locked(struct wl1271 *wl)
+{
+	struct wl12xx_cmd_regdomain_dfs_config *cmd = NULL;
+	int ret = 0, i, b, ch_bit_idx;
+	struct ieee80211_channel *channel;
+	u32 tmp_ch_bitmap[2];
+	u16 ch;
+	struct wiphy *wiphy = wl->hw->wiphy;
+	struct ieee80211_supported_band *band;
+	bool timeout = false;
+
+	if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF))
+		return 0;
+
+	wl1271_debug(DEBUG_CMD, "cmd reg domain config");
+
+	memset(tmp_ch_bitmap, 0, sizeof(tmp_ch_bitmap));
+
+	for (b = IEEE80211_BAND_2GHZ; b <= IEEE80211_BAND_5GHZ; b++) {
+		band = wiphy->bands[b];
+		for (i = 0; i < band->n_channels; i++) {
+			channel = &band->channels[i];
+			ch = channel->hw_value;
+
+			if (channel->flags & (IEEE80211_CHAN_DISABLED |
+					      IEEE80211_CHAN_RADAR |
+					      IEEE80211_CHAN_PASSIVE_SCAN))
+				continue;
+
+			ch_bit_idx = wlcore_get_reg_conf_ch_idx(b, ch);
+			if (ch_bit_idx < 0)
+				continue;
+
+			set_bit(ch_bit_idx, (long *)tmp_ch_bitmap);
+		}
+	}
+
+	tmp_ch_bitmap[0] |= wl->reg_ch_conf_pending[0];
+	tmp_ch_bitmap[1] |= wl->reg_ch_conf_pending[1];
+
+	if (!memcmp(tmp_ch_bitmap, wl->reg_ch_conf_last, sizeof(tmp_ch_bitmap)))
+		goto out;
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (!cmd) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	cmd->ch_bit_map1 = cpu_to_le32(tmp_ch_bitmap[0]);
+	cmd->ch_bit_map2 = cpu_to_le32(tmp_ch_bitmap[1]);
+
+	wl1271_debug(DEBUG_CMD,
+		     "cmd reg domain bitmap1: 0x%08x, bitmap2: 0x%08x",
+		     cmd->ch_bit_map1, cmd->ch_bit_map2);
+
+	ret = wl1271_cmd_send(wl, CMD_DFS_CHANNEL_CONFIG, cmd, sizeof(*cmd), 0);
+	if (ret < 0) {
+		wl1271_error("failed to send reg domain dfs config");
+		goto out;
+	}
+
+	ret = wl->ops->wait_for_event(wl,
+				      WLCORE_EVENT_DFS_CONFIG_COMPLETE,
+				      &timeout);
+	if (ret < 0 || timeout) {
+		wl1271_error("reg domain conf %serror",
+			     timeout ? "completion " : "");
+		ret = timeout ? -ETIMEDOUT : ret;
+		goto out;
+	}
+
+	memcpy(wl->reg_ch_conf_last, tmp_ch_bitmap, sizeof(tmp_ch_bitmap));
+	memset(wl->reg_ch_conf_pending, 0, sizeof(wl->reg_ch_conf_pending));
+
+out:
+	kfree(cmd);
+	return ret;
+}
+
 int wl12xx_cmd_config_fwlog(struct wl1271 *wl)
 {
 	struct wl12xx_cmd_config_fwlog *cmd;

trunk/drivers/net/wireless/ti/wlcore/cmd.h

@@ -84,6 +84,9 @@ int wl12xx_croc(struct wl1271 *wl, u8 role_id);
 int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 			struct ieee80211_sta *sta, u8 hlid);
 int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid);
+void wlcore_set_pending_regdomain_ch(struct wl1271 *wl, u16 channel,
+				     enum ieee80211_band band);
+int wlcore_cmd_regdomain_config_locked(struct wl1271 *wl);
 int wl12xx_cmd_config_fwlog(struct wl1271 *wl);
 int wl12xx_cmd_start_fwlog(struct wl1271 *wl);
 int wl12xx_cmd_stop_fwlog(struct wl1271 *wl);
@@ -623,6 +626,13 @@ enum wl12xx_fwlogger_output {
 	WL12XX_FWLOG_OUTPUT_HOST,
 };
 
+struct wl12xx_cmd_regdomain_dfs_config {
+	struct wl1271_cmd_header header;
+
+	__le32 ch_bit_map1;
+	__le32 ch_bit_map2;
+} __packed;
+
 struct wl12xx_cmd_config_fwlog {
 	struct wl1271_cmd_header header;
 

trunk/drivers/net/wireless/ti/wlcore/event.h

@@ -54,6 +54,7 @@ enum {
 enum wlcore_wait_event {
 	WLCORE_EVENT_ROLE_STOP_COMPLETE,
 	WLCORE_EVENT_PEER_REMOVE_COMPLETE,
+	WLCORE_EVENT_DFS_CONFIG_COMPLETE
 };
 
 enum {

trunk/drivers/net/wireless/ti/wlcore/init.c

@@ -681,6 +681,10 @@ int wl1271_hw_init(struct wl1271 *wl)
 	if (ret < 0)
 		return ret;
 
+	ret = wlcore_cmd_regdomain_config_locked(wl);
+	if (ret < 0)
+		return ret;
+
 	/* Bluetooth WLAN coexistence */
 	ret = wl1271_init_pta(wl);
 	if (ret < 0)

trunk/drivers/net/wireless/ti/wlcore/main.c

@@ -93,6 +93,8 @@ static int wl1271_reg_notify(struct wiphy *wiphy,
 	struct ieee80211_supported_band *band;
 	struct ieee80211_channel *ch;
 	int i;
+	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+	struct wl1271 *wl = hw->priv;
 
 	band = wiphy->bands[IEEE80211_BAND_5GHZ];
 	for (i = 0; i < band->n_channels; i++) {
@@ -106,6 +108,9 @@ static int wl1271_reg_notify(struct wiphy *wiphy,
 
 	}
 
+	if (likely(wl->state == WLCORE_STATE_ON))
+		wlcore_regdomain_config(wl);
+
 	return 0;
 }
 
@@ -1900,6 +1905,12 @@ static void wlcore_op_stop_locked(struct wl1271 *wl)
 	wl->tx_res_if = NULL;
 	kfree(wl->target_mem_map);
 	wl->target_mem_map = NULL;
+
+	/*
+	 * FW channels must be re-calibrated after recovery,
+	 * clear the last Reg-Domain channel configuration.
+	 */
+	memset(wl->reg_ch_conf_last, 0, sizeof(wl->reg_ch_conf_last));
 }
 
 static void wlcore_op_stop(struct ieee80211_hw *hw)
@@ -3284,6 +3295,29 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
 }
 EXPORT_SYMBOL_GPL(wlcore_set_key);
 
+void wlcore_regdomain_config(struct wl1271 *wl)
+{
+	int ret;
+
+	if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF))
+		return;
+
+	mutex_lock(&wl->mutex);
+	ret = wl1271_ps_elp_wakeup(wl);
+	if (ret < 0)
+		goto out;
+
+	ret = wlcore_cmd_regdomain_config_locked(wl);
+	if (ret < 0) {
+		wl12xx_queue_recovery_work(wl);
+		goto out;
+	}
+
+	wl1271_ps_elp_sleep(wl);
+out:
+	mutex_unlock(&wl->mutex);
+}
+
 static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
 			     struct ieee80211_vif *vif,
 			     struct cfg80211_scan_request *req)

trunk/drivers/net/wireless/ti/wlcore/rx.c

@@ -97,6 +97,10 @@ static void wl1271_rx_status(struct wl1271 *wl,
 			wl1271_warning("Michael MIC error");
 		}
 	}
+
+	if (beacon)
+		wlcore_set_pending_regdomain_ch(wl, (u16)desc->channel,
+						status->band);
 }
 
 static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,

trunk/drivers/net/wireless/ti/wlcore/scan.c

@@ -80,6 +80,8 @@ void wl1271_scan_complete_work(struct work_struct *work)
 		wl12xx_queue_recovery_work(wl);
 	}
 
+	wlcore_cmd_regdomain_config_locked(wl);
+
 	ieee80211_scan_completed(wl->hw, false);
 
 out:

trunk/drivers/net/wireless/ti/wlcore/wlcore.h

@@ -284,6 +284,11 @@ struct wl1271 {
 	struct work_struct recovery_work;
 	bool watchdog_recovery;
 
+	/* Reg domain last configuration */
+	u32 reg_ch_conf_last[2];
+	/* Reg domain pending configuration */
+	u32 reg_ch_conf_pending[2];
+
 	/* Pointer that holds DMA-friendly block for the mailbox */
 	void *mbox;
 
@@ -445,6 +450,7 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
 		   struct ieee80211_vif *vif,
 		   struct ieee80211_sta *sta,
 		   struct ieee80211_key_conf *key_conf);
+void wlcore_regdomain_config(struct wl1271 *wl);
 
 static inline void
 wlcore_set_ht_cap(struct wl1271 *wl, enum ieee80211_band band,
@@ -503,6 +509,10 @@ wlcore_set_min_fw_ver(struct wl1271 *wl, unsigned int chip,
 /* separate probe response templates for one-shot and sched scans */
 #define WLCORE_QUIRK_DUAL_PROBE_TMPL		BIT(10)
 
+/* Firmware requires reg domain configuration for active calibration */
+#define WLCORE_QUIRK_REGDOMAIN_CONF		BIT(11)
+
+
 /* TODO: move to the lower drivers when all usages are abstracted */
 #define CHIP_ID_1271_PG10              (0x4030101)
 #define CHIP_ID_1271_PG20              (0x4030111)