Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1168 insertions, 0 deletions

diff --git a/drivers/net/wireless/rsi/rsi_91x_hal.c b/drivers/net/wireless/rsi/rsi_91x_hal.c
new file mode 100644
index 000000000..c7460fbba
--- /dev/null
+++ b/drivers/net/wireless/rsi/rsi_91x_hal.c
@@ -0,0 +1,1168 @@
+/*
+ * Copyright (c) 2014 Redpine Signals 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.
+ */
+
+#include <linux/firmware.h>
+#include <net/bluetooth/bluetooth.h>
+#include "rsi_mgmt.h"
+#include "rsi_hal.h"
+#include "rsi_sdio.h"
+#include "rsi_common.h"
+
+/* FLASH Firmware */
+static struct ta_metadata metadata_flash_content[] = {
+	{"flash_content", 0x00010000},
+	{"rsi/rs9113_wlan_qspi.rps", 0x00010000},
+	{"rsi/rs9113_wlan_bt_dual_mode.rps", 0x00010000},
+	{"flash_content", 0x00010000},
+	{"rsi/rs9113_ap_bt_dual_mode.rps", 0x00010000},
+
+};
+
+static struct ta_metadata metadata[] = {{"pmemdata_dummy", 0x00000000},
+	{"rsi/rs9116_wlan.rps", 0x00000000},
+	{"rsi/rs9116_wlan_bt_classic.rps", 0x00000000},
+	{"rsi/pmemdata_dummy", 0x00000000},
+	{"rsi/rs9116_wlan_bt_classic.rps", 0x00000000}
+};
+
+int rsi_send_pkt_to_bus(struct rsi_common *common, struct sk_buff *skb)
+{
+	struct rsi_hw *adapter = common->priv;
+	int status;
+
+	if (common->coex_mode > 1)
+		mutex_lock(&common->tx_bus_mutex);
+
+	status = adapter->host_intf_ops->write_pkt(common->priv,
+						   skb->data, skb->len);
+
+	if (common->coex_mode > 1)
+		mutex_unlock(&common->tx_bus_mutex);
+
+	return status;
+}
+
+int rsi_prepare_mgmt_desc(struct rsi_common *common, struct sk_buff *skb)
+{
+	struct rsi_hw *adapter = common->priv;
+	struct ieee80211_hdr *wh = NULL;
+	struct ieee80211_tx_info *info;
+	struct ieee80211_conf *conf = &adapter->hw->conf;
+	struct ieee80211_vif *vif;
+	struct rsi_mgmt_desc *mgmt_desc;
+	struct skb_info *tx_params;
+	struct rsi_xtended_desc *xtend_desc = NULL;
+	u8 header_size;
+	u32 dword_align_bytes = 0;
+
+	if (skb->len > MAX_MGMT_PKT_SIZE) {
+		rsi_dbg(INFO_ZONE, "%s: Dropping mgmt pkt > 512\n", __func__);
+		return -EINVAL;
+	}
+
+	info = IEEE80211_SKB_CB(skb);
+	tx_params = (struct skb_info *)info->driver_data;
+	vif = tx_params->vif;
+
+	/* Update header size */
+	header_size = FRAME_DESC_SZ + sizeof(struct rsi_xtended_desc);
+	if (header_size > skb_headroom(skb)) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Failed to add extended descriptor\n",
+			__func__);
+		return -ENOSPC;
+	}
+	skb_push(skb, header_size);
+	dword_align_bytes = ((unsigned long)skb->data & 0x3f);
+	if (dword_align_bytes > skb_headroom(skb)) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Failed to add dword align\n", __func__);
+		return -ENOSPC;
+	}
+	skb_push(skb, dword_align_bytes);
+	header_size += dword_align_bytes;
+
+	tx_params->internal_hdr_size = header_size;
+	memset(&skb->data[0], 0, header_size);
+	wh = (struct ieee80211_hdr *)&skb->data[header_size];
+
+	mgmt_desc = (struct rsi_mgmt_desc *)skb->data;
+	xtend_desc = (struct rsi_xtended_desc *)&skb->data[FRAME_DESC_SZ];
+
+	rsi_set_len_qno(&mgmt_desc->len_qno, (skb->len - FRAME_DESC_SZ),
+			RSI_WIFI_MGMT_Q);
+	mgmt_desc->frame_type = TX_DOT11_MGMT;
+	mgmt_desc->header_len = MIN_802_11_HDR_LEN;
+	mgmt_desc->xtend_desc_size = header_size - FRAME_DESC_SZ;
+
+	if (ieee80211_is_probe_req(wh->frame_control))
+		mgmt_desc->frame_info = cpu_to_le16(RSI_INSERT_SEQ_IN_FW);
+	mgmt_desc->frame_info |= cpu_to_le16(RATE_INFO_ENABLE);
+	if (is_broadcast_ether_addr(wh->addr1))
+		mgmt_desc->frame_info |= cpu_to_le16(RSI_BROADCAST_PKT);
+
+	mgmt_desc->seq_ctrl =
+		cpu_to_le16(IEEE80211_SEQ_TO_SN(le16_to_cpu(wh->seq_ctrl)));
+	if ((common->band == NL80211_BAND_2GHZ) && !common->p2p_enabled)
+		mgmt_desc->rate_info = cpu_to_le16(RSI_RATE_1);
+	else
+		mgmt_desc->rate_info = cpu_to_le16(RSI_RATE_6);
+
+	if (conf_is_ht40(conf))
+		mgmt_desc->bbp_info = cpu_to_le16(FULL40M_ENABLE);
+
+	if (ieee80211_is_probe_resp(wh->frame_control)) {
+		mgmt_desc->misc_flags |= (RSI_ADD_DELTA_TSF_VAP_ID |
+					  RSI_FETCH_RETRY_CNT_FRM_HST);
+#define PROBE_RESP_RETRY_CNT	3
+		xtend_desc->retry_cnt = PROBE_RESP_RETRY_CNT;
+	}
+
+	if (((vif->type == NL80211_IFTYPE_AP) ||
+	     (vif->type == NL80211_IFTYPE_P2P_GO)) &&
+	    (ieee80211_is_action(wh->frame_control))) {
+		struct rsi_sta *rsta = rsi_find_sta(common, wh->addr1);
+
+		if (rsta)
+			mgmt_desc->sta_id = tx_params->sta_id;
+		else
+			return -EINVAL;
+	}
+	mgmt_desc->rate_info |=
+		cpu_to_le16((tx_params->vap_id << RSI_DESC_VAP_ID_OFST) &
+			    RSI_DESC_VAP_ID_MASK);
+
+	return 0;
+}
+
+/* This function prepares descriptor for given data packet */
+int rsi_prepare_data_desc(struct rsi_common *common, struct sk_buff *skb)
+{
+	struct rsi_hw *adapter = common->priv;
+	struct ieee80211_vif *vif;
+	struct ieee80211_hdr *wh = NULL;
+	struct ieee80211_tx_info *info;
+	struct skb_info *tx_params;
+	struct rsi_data_desc *data_desc;
+	struct rsi_xtended_desc *xtend_desc;
+	u8 ieee80211_size = MIN_802_11_HDR_LEN;
+	u8 header_size;
+	u8 vap_id = 0;
+	u8 dword_align_bytes;
+	bool tx_eapol;
+	u16 seq_num;
+
+	info = IEEE80211_SKB_CB(skb);
+	vif = info->control.vif;
+	tx_params = (struct skb_info *)info->driver_data;
+
+	tx_eapol = IEEE80211_SKB_CB(skb)->control.flags &
+		   IEEE80211_TX_CTRL_PORT_CTRL_PROTO;
+
+	header_size = FRAME_DESC_SZ + sizeof(struct rsi_xtended_desc);
+	if (header_size > skb_headroom(skb)) {
+		rsi_dbg(ERR_ZONE, "%s: Unable to send pkt\n", __func__);
+		return -ENOSPC;
+	}
+	skb_push(skb, header_size);
+	dword_align_bytes = ((unsigned long)skb->data & 0x3f);
+	if (header_size > skb_headroom(skb)) {
+		rsi_dbg(ERR_ZONE, "%s: Not enough headroom\n", __func__);
+		return -ENOSPC;
+	}
+	skb_push(skb, dword_align_bytes);
+	header_size += dword_align_bytes;
+
+	tx_params->internal_hdr_size = header_size;
+	data_desc = (struct rsi_data_desc *)skb->data;
+	memset(data_desc, 0, header_size);
+
+	xtend_desc = (struct rsi_xtended_desc *)&skb->data[FRAME_DESC_SZ];
+	wh = (struct ieee80211_hdr *)&skb->data[header_size];
+	seq_num = IEEE80211_SEQ_TO_SN(le16_to_cpu(wh->seq_ctrl));
+
+	data_desc->xtend_desc_size = header_size - FRAME_DESC_SZ;
+
+	if (ieee80211_is_data_qos(wh->frame_control)) {
+		ieee80211_size += 2;
+		data_desc->mac_flags |= cpu_to_le16(RSI_QOS_ENABLE);
+	}
+
+	if (((vif->type == NL80211_IFTYPE_STATION) ||
+	     (vif->type == NL80211_IFTYPE_P2P_CLIENT)) &&
+	    (adapter->ps_state == PS_ENABLED))
+		wh->frame_control |= cpu_to_le16(RSI_SET_PS_ENABLE);
+
+	if ((!(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT)) &&
+	    tx_params->have_key) {
+		if (rsi_is_cipher_wep(common))
+			ieee80211_size += 4;
+		else
+			ieee80211_size += 8;
+		data_desc->mac_flags |= cpu_to_le16(RSI_ENCRYPT_PKT);
+	}
+	rsi_set_len_qno(&data_desc->len_qno, (skb->len - FRAME_DESC_SZ),
+			RSI_WIFI_DATA_Q);
+	data_desc->header_len = ieee80211_size;
+
+	if (common->rate_config[common->band].fixed_enabled) {
+		/* Send fixed rate */
+		u16 fixed_rate = common->rate_config[common->band].fixed_hw_rate;
+
+		data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE);
+		data_desc->rate_info = cpu_to_le16(fixed_rate);
+
+		if (conf_is_ht40(&common->priv->hw->conf))
+			data_desc->bbp_info = cpu_to_le16(FULL40M_ENABLE);
+
+		if (common->vif_info[0].sgi && (fixed_rate & 0x100)) {
+		       /* Only MCS rates */
+			data_desc->rate_info |=
+				cpu_to_le16(ENABLE_SHORTGI_RATE);
+		}
+	}
+
+	if (tx_eapol) {
+		rsi_dbg(INFO_ZONE, "*** Tx EAPOL ***\n");
+
+		data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE);
+		if (common->band == NL80211_BAND_5GHZ)
+			data_desc->rate_info = cpu_to_le16(RSI_RATE_6);
+		else
+			data_desc->rate_info = cpu_to_le16(RSI_RATE_1);
+		data_desc->mac_flags |= cpu_to_le16(RSI_REKEY_PURPOSE);
+		data_desc->misc_flags |= RSI_FETCH_RETRY_CNT_FRM_HST;
+#define EAPOL_RETRY_CNT 15
+		xtend_desc->retry_cnt = EAPOL_RETRY_CNT;
+
+		if (common->eapol4_confirm)
+			skb->priority = VO_Q;
+		else
+			rsi_set_len_qno(&data_desc->len_qno,
+					(skb->len - FRAME_DESC_SZ),
+					RSI_WIFI_MGMT_Q);
+		if (((skb->len - header_size) == EAPOL4_PACKET_LEN) ||
+		    ((skb->len - header_size) == EAPOL4_PACKET_LEN - 2)) {
+			data_desc->misc_flags |=
+				RSI_DESC_REQUIRE_CFM_TO_HOST;
+			xtend_desc->confirm_frame_type = EAPOL4_CONFIRM;
+		}
+	}
+
+	data_desc->mac_flags |= cpu_to_le16(seq_num & 0xfff);
+	data_desc->qid_tid = ((skb->priority & 0xf) |
+			      ((tx_params->tid & 0xf) << 4));
+	data_desc->sta_id = tx_params->sta_id;
+
+	if ((is_broadcast_ether_addr(wh->addr1)) ||
+	    (is_multicast_ether_addr(wh->addr1))) {
+		data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE);
+		data_desc->frame_info |= cpu_to_le16(RSI_BROADCAST_PKT);
+		data_desc->sta_id = vap_id;
+
+		if ((vif->type == NL80211_IFTYPE_AP) ||
+		    (vif->type == NL80211_IFTYPE_P2P_GO)) {
+			if (common->band == NL80211_BAND_5GHZ)
+				data_desc->rate_info = cpu_to_le16(RSI_RATE_6);
+			else
+				data_desc->rate_info = cpu_to_le16(RSI_RATE_1);
+		}
+	}
+	if (((vif->type == NL80211_IFTYPE_AP) ||
+	     (vif->type == NL80211_IFTYPE_P2P_GO)) &&
+	    (ieee80211_has_moredata(wh->frame_control)))
+		data_desc->frame_info |= cpu_to_le16(MORE_DATA_PRESENT);
+
+	data_desc->rate_info |=
+		cpu_to_le16((tx_params->vap_id << RSI_DESC_VAP_ID_OFST) &
+			    RSI_DESC_VAP_ID_MASK);
+
+	return 0;
+}
+
+/* This function sends received data packet from driver to device */
+int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb)
+{
+	struct rsi_hw *adapter = common->priv;
+	struct ieee80211_vif *vif;
+	struct ieee80211_tx_info *info;
+	int status = -EINVAL;
+
+	if (!skb)
+		return 0;
+	if (common->iface_down)
+		goto err;
+
+	info = IEEE80211_SKB_CB(skb);
+	if (!info->control.vif)
+		goto err;
+	vif = info->control.vif;
+
+	if (((vif->type == NL80211_IFTYPE_STATION) ||
+	     (vif->type == NL80211_IFTYPE_P2P_CLIENT)) &&
+	    (!vif->cfg.assoc))
+		goto err;
+
+	status = rsi_send_pkt_to_bus(common, skb);
+	if (status)
+		rsi_dbg(ERR_ZONE, "%s: Failed to write pkt\n", __func__);
+
+err:
+	++common->tx_stats.total_tx_pkt_freed[skb->priority];
+	rsi_indicate_tx_status(adapter, skb, status);
+	return status;
+}
+
+/**
+ * rsi_send_mgmt_pkt() - This functions sends the received management packet
+ *			 from driver to device.
+ * @common: Pointer to the driver private structure.
+ * @skb: Pointer to the socket buffer structure.
+ *
+ * Return: status: 0 on success, -1 on failure.
+ */
+int rsi_send_mgmt_pkt(struct rsi_common *common,
+		      struct sk_buff *skb)
+{
+	struct rsi_hw *adapter = common->priv;
+	struct ieee80211_hdr *wh;
+	struct ieee80211_tx_info *info;
+	struct skb_info *tx_params;
+	struct rsi_mgmt_desc *mgmt_desc;
+	struct rsi_xtended_desc *xtend_desc;
+	int status = -E2BIG;
+	u8 header_size;
+
+	info = IEEE80211_SKB_CB(skb);
+	tx_params = (struct skb_info *)info->driver_data;
+	header_size = tx_params->internal_hdr_size;
+
+	if (tx_params->flags & INTERNAL_MGMT_PKT) {
+		status = adapter->host_intf_ops->write_pkt(common->priv,
+							   (u8 *)skb->data,
+							   skb->len);
+		if (status) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Failed to write the packet\n", __func__);
+		}
+		dev_kfree_skb(skb);
+		return status;
+	}
+
+	wh = (struct ieee80211_hdr *)&skb->data[header_size];
+	mgmt_desc = (struct rsi_mgmt_desc *)skb->data;
+	xtend_desc = (struct rsi_xtended_desc *)&skb->data[FRAME_DESC_SZ];
+
+	/* Indicate to firmware to give cfm for probe */
+	if (ieee80211_is_probe_req(wh->frame_control) &&
+	    !info->control.vif->cfg.assoc) {
+		rsi_dbg(INFO_ZONE,
+			"%s: blocking mgmt queue\n", __func__);
+		mgmt_desc->misc_flags = RSI_DESC_REQUIRE_CFM_TO_HOST;
+		xtend_desc->confirm_frame_type = PROBEREQ_CONFIRM;
+		common->mgmt_q_block = true;
+		rsi_dbg(INFO_ZONE, "Mgmt queue blocked\n");
+	}
+
+	status = rsi_send_pkt_to_bus(common, skb);
+	if (status)
+		rsi_dbg(ERR_ZONE, "%s: Failed to write the packet\n", __func__);
+
+	rsi_indicate_tx_status(common->priv, skb, status);
+	return status;
+}
+
+int rsi_send_bt_pkt(struct rsi_common *common, struct sk_buff *skb)
+{
+	int status = -EINVAL;
+	u8 header_size = 0;
+	struct rsi_bt_desc *bt_desc;
+	u8 queueno = ((skb->data[1] >> 4) & 0xf);
+
+	if (queueno == RSI_BT_MGMT_Q) {
+		status = rsi_send_pkt_to_bus(common, skb);
+		if (status)
+			rsi_dbg(ERR_ZONE, "%s: Failed to write bt mgmt pkt\n",
+				__func__);
+		goto out;
+	}
+	header_size = FRAME_DESC_SZ;
+	if (header_size > skb_headroom(skb)) {
+		rsi_dbg(ERR_ZONE, "%s: Not enough headroom\n", __func__);
+		status = -ENOSPC;
+		goto out;
+	}
+	skb_push(skb, header_size);
+	memset(skb->data, 0, header_size);
+	bt_desc = (struct rsi_bt_desc *)skb->data;
+
+	rsi_set_len_qno(&bt_desc->len_qno, (skb->len - FRAME_DESC_SZ),
+			RSI_BT_DATA_Q);
+	bt_desc->bt_pkt_type = cpu_to_le16(bt_cb(skb)->pkt_type);
+
+	status = rsi_send_pkt_to_bus(common, skb);
+	if (status)
+		rsi_dbg(ERR_ZONE, "%s: Failed to write bt pkt\n", __func__);
+
+out:
+	dev_kfree_skb(skb);
+	return status;
+}
+
+int rsi_prepare_beacon(struct rsi_common *common, struct sk_buff *skb)
+{
+	struct rsi_hw *adapter = (struct rsi_hw *)common->priv;
+	struct rsi_data_desc *bcn_frm;
+	struct ieee80211_hw *hw = common->priv->hw;
+	struct ieee80211_conf *conf = &hw->conf;
+	struct ieee80211_vif *vif;
+	struct sk_buff *mac_bcn;
+	u8 vap_id = 0, i;
+	u16 tim_offset = 0;
+
+	for (i = 0; i < RSI_MAX_VIFS; i++) {
+		vif = adapter->vifs[i];
+		if (!vif)
+			continue;
+		if ((vif->type == NL80211_IFTYPE_AP) ||
+		    (vif->type == NL80211_IFTYPE_P2P_GO))
+			break;
+	}
+	if (!vif)
+		return -EINVAL;
+	mac_bcn = ieee80211_beacon_get_tim(adapter->hw,
+					   vif,
+					   &tim_offset, NULL, 0);
+	if (!mac_bcn) {
+		rsi_dbg(ERR_ZONE, "Failed to get beacon from mac80211\n");
+		return -EINVAL;
+	}
+
+	common->beacon_cnt++;
+	bcn_frm = (struct rsi_data_desc *)skb->data;
+	rsi_set_len_qno(&bcn_frm->len_qno, mac_bcn->len, RSI_WIFI_DATA_Q);
+	bcn_frm->header_len = MIN_802_11_HDR_LEN;
+	bcn_frm->frame_info = cpu_to_le16(RSI_DATA_DESC_MAC_BBP_INFO |
+					  RSI_DATA_DESC_NO_ACK_IND |
+					  RSI_DATA_DESC_BEACON_FRAME |
+					  RSI_DATA_DESC_INSERT_TSF |
+					  RSI_DATA_DESC_INSERT_SEQ_NO |
+					  RATE_INFO_ENABLE);
+	bcn_frm->rate_info = cpu_to_le16(vap_id << 14);
+	bcn_frm->qid_tid = BEACON_HW_Q;
+
+	if (conf_is_ht40_plus(conf)) {
+		bcn_frm->bbp_info = cpu_to_le16(LOWER_20_ENABLE);
+		bcn_frm->bbp_info |= cpu_to_le16(LOWER_20_ENABLE >> 12);
+	} else if (conf_is_ht40_minus(conf)) {
+		bcn_frm->bbp_info = cpu_to_le16(UPPER_20_ENABLE);
+		bcn_frm->bbp_info |= cpu_to_le16(UPPER_20_ENABLE >> 12);
+	}
+
+	if (common->band == NL80211_BAND_2GHZ)
+		bcn_frm->rate_info |= cpu_to_le16(RSI_RATE_1);
+	else
+		bcn_frm->rate_info |= cpu_to_le16(RSI_RATE_6);
+
+	if (mac_bcn->data[tim_offset + 2] == 0)
+		bcn_frm->frame_info |= cpu_to_le16(RSI_DATA_DESC_DTIM_BEACON);
+
+	memcpy(&skb->data[FRAME_DESC_SZ], mac_bcn->data, mac_bcn->len);
+	skb_put(skb, mac_bcn->len + FRAME_DESC_SZ);
+
+	dev_kfree_skb(mac_bcn);
+
+	return 0;
+}
+
+static void bl_cmd_timeout(struct timer_list *t)
+{
+	struct rsi_hw *adapter = from_timer(adapter, t, bl_cmd_timer);
+
+	adapter->blcmd_timer_expired = true;
+	del_timer(&adapter->bl_cmd_timer);
+}
+
+static int bl_start_cmd_timer(struct rsi_hw *adapter, u32 timeout)
+{
+	timer_setup(&adapter->bl_cmd_timer, bl_cmd_timeout, 0);
+	adapter->bl_cmd_timer.expires = (msecs_to_jiffies(timeout) + jiffies);
+
+	adapter->blcmd_timer_expired = false;
+	add_timer(&adapter->bl_cmd_timer);
+
+	return 0;
+}
+
+static int bl_stop_cmd_timer(struct rsi_hw *adapter)
+{
+	adapter->blcmd_timer_expired = false;
+	if (timer_pending(&adapter->bl_cmd_timer))
+		del_timer(&adapter->bl_cmd_timer);
+
+	return 0;
+}
+
+static int bl_write_cmd(struct rsi_hw *adapter, u8 cmd, u8 exp_resp,
+			u16 *cmd_resp)
+{
+	struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops;
+	u32 regin_val = 0, regout_val = 0;
+	u32 regin_input = 0;
+	u8 output = 0;
+	int status;
+
+	regin_input = (REGIN_INPUT | adapter->priv->coex_mode);
+
+	while (!adapter->blcmd_timer_expired) {
+		regin_val = 0;
+		status = hif_ops->master_reg_read(adapter, SWBL_REGIN,
+						  &regin_val, 2);
+		if (status < 0) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Command %0x REGIN reading failed..\n",
+				__func__, cmd);
+			return status;
+		}
+		mdelay(1);
+		if ((regin_val >> 12) != REGIN_VALID)
+			break;
+	}
+	if (adapter->blcmd_timer_expired) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Command %0x REGIN reading timed out..\n",
+			__func__, cmd);
+		return -ETIMEDOUT;
+	}
+
+	rsi_dbg(INFO_ZONE,
+		"Issuing write to Regin val:%0x sending cmd:%0x\n",
+		regin_val, (cmd | regin_input << 8));
+	status = hif_ops->master_reg_write(adapter, SWBL_REGIN,
+					   (cmd | regin_input << 8), 2);
+	if (status < 0)
+		return status;
+	mdelay(1);
+
+	if (cmd == LOAD_HOSTED_FW || cmd == JUMP_TO_ZERO_PC) {
+		/* JUMP_TO_ZERO_PC doesn't expect
+		 * any response. So return from here
+		 */
+		return 0;
+	}
+
+	while (!adapter->blcmd_timer_expired) {
+		regout_val = 0;
+		status = hif_ops->master_reg_read(adapter, SWBL_REGOUT,
+					     &regout_val, 2);
+		if (status < 0) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Command %0x REGOUT reading failed..\n",
+				__func__, cmd);
+			return status;
+		}
+		mdelay(1);
+		if ((regout_val >> 8) == REGOUT_VALID)
+			break;
+	}
+	if (adapter->blcmd_timer_expired) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Command %0x REGOUT reading timed out..\n",
+			__func__, cmd);
+		return status;
+	}
+
+	*cmd_resp = ((u16 *)&regout_val)[0] & 0xffff;
+
+	output = ((u8 *)&regout_val)[0] & 0xff;
+
+	status = hif_ops->master_reg_write(adapter, SWBL_REGOUT,
+					   (cmd | REGOUT_INVALID << 8), 2);
+	if (status < 0) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Command %0x REGOUT writing failed..\n",
+			__func__, cmd);
+		return status;
+	}
+	mdelay(1);
+
+	if (output != exp_resp) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Recvd resp %x for cmd %0x\n",
+			__func__, output, cmd);
+		return -EINVAL;
+	}
+	rsi_dbg(INFO_ZONE,
+		"%s: Recvd Expected resp %x for cmd %0x\n",
+		__func__, output, cmd);
+
+	return 0;
+}
+
+static int bl_cmd(struct rsi_hw *adapter, u8 cmd, u8 exp_resp, char *str)
+{
+	u16 regout_val = 0;
+	u32 timeout;
+	int status;
+
+	if ((cmd == EOF_REACHED) || (cmd == PING_VALID) || (cmd == PONG_VALID))
+		timeout = BL_BURN_TIMEOUT;
+	else
+		timeout = BL_CMD_TIMEOUT;
+
+	bl_start_cmd_timer(adapter, timeout);
+	status = bl_write_cmd(adapter, cmd, exp_resp, &regout_val);
+	if (status < 0) {
+		bl_stop_cmd_timer(adapter);
+		rsi_dbg(ERR_ZONE,
+			"%s: Command %s (%0x) writing failed..\n",
+			__func__, str, cmd);
+		return status;
+	}
+	bl_stop_cmd_timer(adapter);
+	return 0;
+}
+
+#define CHECK_SUM_OFFSET 20
+#define LEN_OFFSET 8
+#define ADDR_OFFSET 16
+static int bl_write_header(struct rsi_hw *adapter, u8 *flash_content,
+			   u32 content_size)
+{
+	struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops;
+	struct bl_header *bl_hdr;
+	u32 write_addr, write_len;
+	int status;
+
+	bl_hdr = kzalloc(sizeof(*bl_hdr), GFP_KERNEL);
+	if (!bl_hdr)
+		return -ENOMEM;
+
+	bl_hdr->flags = 0;
+	bl_hdr->image_no = cpu_to_le32(adapter->priv->coex_mode);
+	bl_hdr->check_sum =
+		cpu_to_le32(*(u32 *)&flash_content[CHECK_SUM_OFFSET]);
+	bl_hdr->flash_start_address =
+		cpu_to_le32(*(u32 *)&flash_content[ADDR_OFFSET]);
+	bl_hdr->flash_len = cpu_to_le32(*(u32 *)&flash_content[LEN_OFFSET]);
+	write_len = sizeof(struct bl_header);
+
+	if (adapter->rsi_host_intf == RSI_HOST_INTF_USB) {
+		write_addr = PING_BUFFER_ADDRESS;
+		status = hif_ops->write_reg_multiple(adapter, write_addr,
+						 (u8 *)bl_hdr, write_len);
+		if (status < 0) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Failed to load Version/CRC structure\n",
+				__func__);
+			goto fail;
+		}
+	} else {
+		write_addr = PING_BUFFER_ADDRESS >> 16;
+		status = hif_ops->master_access_msword(adapter, write_addr);
+		if (status < 0) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Unable to set ms word to common reg\n",
+				__func__);
+			goto fail;
+		}
+		write_addr = RSI_SD_REQUEST_MASTER |
+			     (PING_BUFFER_ADDRESS & 0xFFFF);
+		status = hif_ops->write_reg_multiple(adapter, write_addr,
+						 (u8 *)bl_hdr, write_len);
+		if (status < 0) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Failed to load Version/CRC structure\n",
+				__func__);
+			goto fail;
+		}
+	}
+	status = 0;
+fail:
+	kfree(bl_hdr);
+	return status;
+}
+
+static u32 read_flash_capacity(struct rsi_hw *adapter)
+{
+	u32 flash_sz = 0;
+
+	if ((adapter->host_intf_ops->master_reg_read(adapter, FLASH_SIZE_ADDR,
+						     &flash_sz, 2)) < 0) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Flash size reading failed..\n",
+			__func__);
+		return 0;
+	}
+	rsi_dbg(INIT_ZONE, "Flash capacity: %d KiloBytes\n", flash_sz);
+
+	return (flash_sz * 1024); /* Return size in kbytes */
+}
+
+static int ping_pong_write(struct rsi_hw *adapter, u8 cmd, u8 *addr, u32 size)
+{
+	struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops;
+	u32 block_size = adapter->block_size;
+	u32 cmd_addr;
+	u16 cmd_resp, cmd_req;
+	u8 *str;
+	int status;
+
+	if (cmd == PING_WRITE) {
+		cmd_addr = PING_BUFFER_ADDRESS;
+		cmd_resp = PONG_AVAIL;
+		cmd_req = PING_VALID;
+		str = "PING_VALID";
+	} else {
+		cmd_addr = PONG_BUFFER_ADDRESS;
+		cmd_resp = PING_AVAIL;
+		cmd_req = PONG_VALID;
+		str = "PONG_VALID";
+	}
+
+	status = hif_ops->load_data_master_write(adapter, cmd_addr, size,
+					    block_size, addr);
+	if (status) {
+		rsi_dbg(ERR_ZONE, "%s: Unable to write blk at addr %0x\n",
+			__func__, *addr);
+		return status;
+	}
+
+	status = bl_cmd(adapter, cmd_req, cmd_resp, str);
+	if (status)
+		return status;
+
+	return 0;
+}
+
+static int auto_fw_upgrade(struct rsi_hw *adapter, u8 *flash_content,
+			   u32 content_size)
+{
+	u8 cmd;
+	u32 temp_content_size, num_flash, index;
+	u32 flash_start_address;
+	int status;
+
+	if (content_size > MAX_FLASH_FILE_SIZE) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Flash Content size is more than 400K %u\n",
+			__func__, MAX_FLASH_FILE_SIZE);
+		return -EINVAL;
+	}
+
+	flash_start_address = *(u32 *)&flash_content[FLASH_START_ADDRESS];
+	rsi_dbg(INFO_ZONE, "flash start address: %08x\n", flash_start_address);
+
+	if (flash_start_address < FW_IMAGE_MIN_ADDRESS) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Fw image Flash Start Address is less than 64K\n",
+			__func__);
+		return -EINVAL;
+	}
+
+	if (flash_start_address % FLASH_SECTOR_SIZE) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Flash Start Address is not multiple of 4K\n",
+			__func__);
+		return -EINVAL;
+	}
+
+	if ((flash_start_address + content_size) > adapter->flash_capacity) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Flash Content will cross max flash size\n",
+			__func__);
+		return -EINVAL;
+	}
+
+	temp_content_size  = content_size;
+	num_flash = content_size / FLASH_WRITE_CHUNK_SIZE;
+
+	rsi_dbg(INFO_ZONE, "content_size: %d, num_flash: %d\n",
+		content_size, num_flash);
+
+	for (index = 0; index <= num_flash; index++) {
+		rsi_dbg(INFO_ZONE, "flash index: %d\n", index);
+		if (index != num_flash) {
+			content_size = FLASH_WRITE_CHUNK_SIZE;
+			rsi_dbg(INFO_ZONE, "QSPI content_size:%d\n",
+				content_size);
+		} else {
+			content_size =
+				temp_content_size % FLASH_WRITE_CHUNK_SIZE;
+			rsi_dbg(INFO_ZONE,
+				"Writing last sector content_size:%d\n",
+				content_size);
+			if (!content_size) {
+				rsi_dbg(INFO_ZONE, "instruction size zero\n");
+				break;
+			}
+		}
+
+		if (index % 2)
+			cmd = PING_WRITE;
+		else
+			cmd = PONG_WRITE;
+
+		status = ping_pong_write(adapter, cmd, flash_content,
+					 content_size);
+		if (status) {
+			rsi_dbg(ERR_ZONE, "%s: Unable to load %d block\n",
+				__func__, index);
+			return status;
+		}
+
+		rsi_dbg(INFO_ZONE,
+			"%s: Successfully loaded %d instructions\n",
+			__func__, index);
+		flash_content += content_size;
+	}
+
+	status = bl_cmd(adapter, EOF_REACHED, FW_LOADING_SUCCESSFUL,
+			"EOF_REACHED");
+	if (status)
+		return status;
+
+	rsi_dbg(INFO_ZONE, "FW loading is done and FW is running..\n");
+	return 0;
+}
+
+static int rsi_hal_prepare_fwload(struct rsi_hw *adapter)
+{
+	struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops;
+	u32 regout_val = 0;
+	int status;
+
+	bl_start_cmd_timer(adapter, BL_CMD_TIMEOUT);
+
+	while (!adapter->blcmd_timer_expired) {
+		status = hif_ops->master_reg_read(adapter, SWBL_REGOUT,
+						  &regout_val,
+						  RSI_COMMON_REG_SIZE);
+		if (status < 0) {
+			bl_stop_cmd_timer(adapter);
+			rsi_dbg(ERR_ZONE,
+				"%s: REGOUT read failed\n", __func__);
+			return status;
+		}
+		mdelay(1);
+		if ((regout_val >> 8) == REGOUT_VALID)
+			break;
+	}
+	if (adapter->blcmd_timer_expired) {
+		rsi_dbg(ERR_ZONE, "%s: REGOUT read timedout\n", __func__);
+		rsi_dbg(ERR_ZONE,
+			"%s: Soft boot loader not present\n", __func__);
+		return -ETIMEDOUT;
+	}
+	bl_stop_cmd_timer(adapter);
+
+	rsi_dbg(INFO_ZONE, "Received Board Version Number: %x\n",
+		(regout_val & 0xff));
+
+	status = hif_ops->master_reg_write(adapter, SWBL_REGOUT,
+					   (REGOUT_INVALID |
+					    REGOUT_INVALID << 8),
+					   RSI_COMMON_REG_SIZE);
+	if (status < 0)
+		rsi_dbg(ERR_ZONE, "%s: REGOUT writing failed..\n", __func__);
+	else
+		rsi_dbg(INFO_ZONE,
+			"===> Device is ready to load firmware <===\n");
+
+	return status;
+}
+
+static int rsi_load_9113_firmware(struct rsi_hw *adapter)
+{
+	struct rsi_common *common = adapter->priv;
+	const struct firmware *fw_entry = NULL;
+	u32 content_size;
+	u16 tmp_regout_val = 0;
+	struct ta_metadata *metadata_p;
+	int status;
+
+	status = bl_cmd(adapter, CONFIG_AUTO_READ_MODE, CMD_PASS,
+			"AUTO_READ_CMD");
+	if (status < 0)
+		return status;
+
+	adapter->flash_capacity = read_flash_capacity(adapter);
+	if (adapter->flash_capacity <= 0) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Unable to read flash size from EEPROM\n",
+			__func__);
+		return -EINVAL;
+	}
+
+	metadata_p = &metadata_flash_content[adapter->priv->coex_mode];
+
+	rsi_dbg(INIT_ZONE, "%s: Loading file %s\n", __func__, metadata_p->name);
+	adapter->fw_file_name = metadata_p->name;
+
+	status = request_firmware(&fw_entry, metadata_p->name, adapter->device);
+	if (status < 0) {
+		rsi_dbg(ERR_ZONE, "%s: Failed to open file %s\n",
+			__func__, metadata_p->name);
+		return status;
+	}
+	content_size = fw_entry->size;
+	rsi_dbg(INFO_ZONE, "FW Length = %d bytes\n", content_size);
+
+	/* Get the firmware version */
+	common->lmac_ver.ver.info.fw_ver[0] =
+		fw_entry->data[LMAC_VER_OFFSET_9113] & 0xFF;
+	common->lmac_ver.ver.info.fw_ver[1] =
+		fw_entry->data[LMAC_VER_OFFSET_9113 + 1] & 0xFF;
+	common->lmac_ver.major =
+		fw_entry->data[LMAC_VER_OFFSET_9113 + 2] & 0xFF;
+	common->lmac_ver.release_num =
+		fw_entry->data[LMAC_VER_OFFSET_9113 + 3] & 0xFF;
+	common->lmac_ver.minor =
+		fw_entry->data[LMAC_VER_OFFSET_9113 + 4] & 0xFF;
+	common->lmac_ver.patch_num = 0;
+	rsi_print_version(common);
+
+	status = bl_write_header(adapter, (u8 *)fw_entry->data, content_size);
+	if (status) {
+		rsi_dbg(ERR_ZONE,
+			"%s: RPS Image header loading failed\n",
+			__func__);
+		goto fail;
+	}
+
+	bl_start_cmd_timer(adapter, BL_CMD_TIMEOUT);
+	status = bl_write_cmd(adapter, CHECK_CRC, CMD_PASS, &tmp_regout_val);
+	if (status) {
+		bl_stop_cmd_timer(adapter);
+		rsi_dbg(ERR_ZONE,
+			"%s: CHECK_CRC Command writing failed..\n",
+			__func__);
+		if ((tmp_regout_val & 0xff) == CMD_FAIL) {
+			rsi_dbg(ERR_ZONE,
+				"CRC Fail.. Proceeding to Upgrade mode\n");
+			goto fw_upgrade;
+		}
+	}
+	bl_stop_cmd_timer(adapter);
+
+	status = bl_cmd(adapter, POLLING_MODE, CMD_PASS, "POLLING_MODE");
+	if (status)
+		goto fail;
+
+load_image_cmd:
+	status = bl_cmd(adapter, LOAD_HOSTED_FW, LOADING_INITIATED,
+			"LOAD_HOSTED_FW");
+	if (status)
+		goto fail;
+	rsi_dbg(INFO_ZONE, "Load Image command passed..\n");
+	goto success;
+
+fw_upgrade:
+	status = bl_cmd(adapter, BURN_HOSTED_FW, SEND_RPS_FILE, "FW_UPGRADE");
+	if (status)
+		goto fail;
+
+	rsi_dbg(INFO_ZONE, "Burn Command Pass.. Upgrading the firmware\n");
+
+	status = auto_fw_upgrade(adapter, (u8 *)fw_entry->data, content_size);
+	if (status == 0) {
+		rsi_dbg(ERR_ZONE, "Firmware upgradation Done\n");
+		goto load_image_cmd;
+	}
+	rsi_dbg(ERR_ZONE, "Firmware upgrade failed\n");
+
+	status = bl_cmd(adapter, CONFIG_AUTO_READ_MODE, CMD_PASS,
+			"AUTO_READ_MODE");
+	if (status)
+		goto fail;
+
+success:
+	rsi_dbg(ERR_ZONE, "***** Firmware Loading successful *****\n");
+	release_firmware(fw_entry);
+	return 0;
+
+fail:
+	rsi_dbg(ERR_ZONE, "##### Firmware loading failed #####\n");
+	release_firmware(fw_entry);
+	return status;
+}
+
+static int rsi_load_9116_firmware(struct rsi_hw *adapter)
+{
+	struct rsi_common *common = adapter->priv;
+	struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops;
+	const struct firmware *fw_entry;
+	struct ta_metadata *metadata_p;
+	u8 *ta_firmware, *fw_p;
+	struct bootload_ds bootload_ds;
+	u32 instructions_sz, base_address;
+	u16 block_size = adapter->block_size;
+	u32 dest, len;
+	int status, cnt;
+
+	rsi_dbg(INIT_ZONE, "***** Load 9116 TA Instructions *****\n");
+
+	if (adapter->rsi_host_intf == RSI_HOST_INTF_USB) {
+		status = bl_cmd(adapter, POLLING_MODE, CMD_PASS,
+				"POLLING_MODE");
+		if (status < 0)
+			return status;
+	}
+
+	status = hif_ops->master_reg_write(adapter, MEM_ACCESS_CTRL_FROM_HOST,
+					   RAM_384K_ACCESS_FROM_TA,
+					   RSI_9116_REG_SIZE);
+	if (status < 0) {
+		rsi_dbg(ERR_ZONE, "%s: Unable to access full RAM memory\n",
+			__func__);
+		return status;
+	}
+
+	metadata_p = &metadata[adapter->priv->coex_mode];
+	rsi_dbg(INIT_ZONE, "%s: loading file %s\n", __func__, metadata_p->name);
+	status = request_firmware(&fw_entry, metadata_p->name, adapter->device);
+	if (status < 0) {
+		rsi_dbg(ERR_ZONE, "%s: Failed to open file %s\n",
+			__func__, metadata_p->name);
+		return status;
+	}
+
+	ta_firmware = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL);
+	if (!ta_firmware) {
+		status = -ENOMEM;
+		goto fail_release_fw;
+	}
+	fw_p = ta_firmware;
+	instructions_sz = fw_entry->size;
+	rsi_dbg(INFO_ZONE, "FW Length = %d bytes\n", instructions_sz);
+
+	common->lmac_ver.major = ta_firmware[LMAC_VER_OFFSET_9116];
+	common->lmac_ver.minor = ta_firmware[LMAC_VER_OFFSET_9116 + 1];
+	common->lmac_ver.release_num = ta_firmware[LMAC_VER_OFFSET_9116 + 2];
+	common->lmac_ver.patch_num = ta_firmware[LMAC_VER_OFFSET_9116 + 3];
+	common->lmac_ver.ver.info.fw_ver[0] =
+		ta_firmware[LMAC_VER_OFFSET_9116 + 4];
+
+	if (instructions_sz % FW_ALIGN_SIZE)
+		instructions_sz +=
+			(FW_ALIGN_SIZE - (instructions_sz % FW_ALIGN_SIZE));
+	rsi_dbg(INFO_ZONE, "instructions_sz : %d\n", instructions_sz);
+
+	if (*(u16 *)fw_p == RSI_9116_FW_MAGIC_WORD) {
+		memcpy(&bootload_ds, fw_p, sizeof(struct bootload_ds));
+		fw_p += le16_to_cpu(bootload_ds.offset);
+		rsi_dbg(INFO_ZONE, "FW start = %x\n", *(u32 *)fw_p);
+
+		cnt = 0;
+		do {
+			rsi_dbg(ERR_ZONE, "%s: Loading chunk %d\n",
+				__func__, cnt);
+
+			dest = le32_to_cpu(bootload_ds.bl_entry[cnt].dst_addr);
+			len = le32_to_cpu(bootload_ds.bl_entry[cnt].control) &
+			      RSI_BL_CTRL_LEN_MASK;
+			rsi_dbg(INFO_ZONE, "length %d destination %x\n",
+				len, dest);
+
+			status = hif_ops->load_data_master_write(adapter, dest,
+								 len,
+								 block_size,
+								 fw_p);
+			if (status < 0) {
+				rsi_dbg(ERR_ZONE,
+					"Failed to load chunk %d\n", cnt);
+				break;
+			}
+			fw_p += len;
+			if (le32_to_cpu(bootload_ds.bl_entry[cnt].control) &
+			    RSI_BL_CTRL_LAST_ENTRY)
+				break;
+			cnt++;
+		} while (1);
+	} else {
+		base_address = metadata_p->address;
+		status = hif_ops->load_data_master_write(adapter,
+							 base_address,
+							 instructions_sz,
+							 block_size,
+							 ta_firmware);
+	}
+	if (status) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Unable to load %s blk\n",
+			__func__, metadata_p->name);
+		goto fail_free_fw;
+	}
+
+	rsi_dbg(INIT_ZONE, "%s: Successfully loaded %s instructions\n",
+		__func__, metadata_p->name);
+
+	if (adapter->rsi_host_intf == RSI_HOST_INTF_SDIO) {
+		if (hif_ops->ta_reset(adapter))
+			rsi_dbg(ERR_ZONE, "Unable to put ta in reset\n");
+	} else {
+		if (bl_cmd(adapter, JUMP_TO_ZERO_PC,
+			   CMD_PASS, "JUMP_TO_ZERO") < 0)
+			rsi_dbg(INFO_ZONE, "Jump to zero command failed\n");
+		else
+			rsi_dbg(INFO_ZONE, "Jump to zero command successful\n");
+	}
+
+fail_free_fw:
+	kfree(ta_firmware);
+fail_release_fw:
+	release_firmware(fw_entry);
+
+	return status;
+}
+
+int rsi_hal_device_init(struct rsi_hw *adapter)
+{
+	struct rsi_common *common = adapter->priv;
+	int status;
+
+	switch (adapter->device_model) {
+	case RSI_DEV_9113:
+		status = rsi_hal_prepare_fwload(adapter);
+		if (status < 0)
+			return status;
+		if (rsi_load_9113_firmware(adapter)) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Failed to load TA instructions\n",
+				__func__);
+			return -EINVAL;
+		}
+		break;
+	case RSI_DEV_9116:
+		status = rsi_hal_prepare_fwload(adapter);
+		if (status < 0)
+			return status;
+		if (rsi_load_9116_firmware(adapter)) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Failed to load firmware to 9116 device\n",
+				__func__);
+			return -EINVAL;
+		}
+		break;
+	default:
+		return -EINVAL;
+	}
+	common->fsm_state = FSM_CARD_NOT_READY;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rsi_hal_device_init);
+