From:   Siva Rebbagondla <siva8118@gmail.com>
To:     Kalle Valo <kvalo@codeaurora.org>
Cc:     linux-wireless@vger.kernel.org, amitkarwar@gmail.com,
        krishna.pedda@redpinesignals.com,
        Ganapathiraju Kondraju <ganapathi.kondraju@redpinesignals.com>,
        Siva Rebbagondla <siva8118@gmail.com>
Subject: [PATCH 6/8] rsi: send new tx command frame wlan9116 features
Date:   Wed,  3 Apr 2019 09:43:07 +0530
Message-Id: <20190403041309.12829-7-siva8118@gmail.com>
In-Reply-To: <20190403041309.12829-1-siva8118@gmail.com>
References: <20190403041309.12829-1-siva8118@gmail.com>
Sender: linux-wireless-owner@vger.kernel.org
Precedence: bulk

For 9116 device, we have introduced w9116 features frame, which shall be
send when radio capabilities confirm is received.

Signed-off-by: Siva Rebbagondla <siva8118@gmail.com>
---
 drivers/net/wireless/rsi/rsi_91x_mgmt.c | 55 +++++++++++++++++++++++++
 drivers/net/wireless/rsi/rsi_main.h     | 12 ++++++
 drivers/net/wireless/rsi/rsi_mgmt.h     | 17 ++++++++
 3 files changed, 84 insertions(+)

diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
index d4d833c3e782..f328532fef88 100644
--- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c
+++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
@@ -288,6 +288,14 @@ static void rsi_set_default_parameters(struct rsi_common *common)
 	common->obm_ant_sel_val = 2;
 	common->beacon_interval = RSI_BEACON_INTERVAL;
 	common->dtim_cnt = RSI_DTIM_COUNT;
+	common->w9116_features.pll_mode = 0x0;
+	common->w9116_features.rf_type = 1;
+	common->w9116_features.wireless_mode = 0;
+	common->w9116_features.enable_ppe = 0;
+	common->w9116_features.afe_type = 1;
+	common->w9116_features.dpd = 0;
+	common->w9116_features.sifs_tx_enable = 0;
+	common->w9116_features.ps_options = 0;
 }
 
 void init_bgscan_params(struct rsi_common *common)
@@ -1646,6 +1654,47 @@ int rsi_send_ps_request(struct rsi_hw *adapter, bool enable,
 	return rsi_send_internal_mgmt_frame(common, skb);
 }
 
+static int rsi_send_w9116_features(struct rsi_common *common)
+{
+	struct rsi_wlan_9116_features *w9116_features;
+	u16 frame_len = sizeof(struct rsi_wlan_9116_features);
+	struct sk_buff *skb;
+
+	rsi_dbg(MGMT_TX_ZONE,
+		"%s: Sending wlan 9116 features\n", __func__);
+
+	skb = dev_alloc_skb(frame_len);
+	if (!skb)
+		return -ENOMEM;
+	memset(skb->data, 0, frame_len);
+
+	w9116_features = (struct rsi_wlan_9116_features *)skb->data;
+
+	w9116_features->pll_mode = common->w9116_features.pll_mode;
+	w9116_features->rf_type = common->w9116_features.rf_type;
+	w9116_features->wireless_mode = common->w9116_features.wireless_mode;
+	w9116_features->enable_ppe = common->w9116_features.enable_ppe;
+	w9116_features->afe_type = common->w9116_features.afe_type;
+	if (common->w9116_features.dpd)
+		w9116_features->feature_enable |= cpu_to_le32(RSI_DPD);
+	if (common->w9116_features.sifs_tx_enable)
+		w9116_features->feature_enable |=
+			cpu_to_le32(RSI_SIFS_TX_ENABLE);
+	if (common->w9116_features.ps_options & RSI_DUTY_CYCLING)
+		w9116_features->feature_enable |= cpu_to_le32(RSI_DUTY_CYCLING);
+	if (common->w9116_features.ps_options & RSI_END_OF_FRAME)
+		w9116_features->feature_enable |= cpu_to_le32(RSI_END_OF_FRAME);
+	w9116_features->feature_enable |=
+		cpu_to_le32((common->w9116_features.ps_options & ~0x3) << 2);
+
+	rsi_set_len_qno(&w9116_features->desc.desc_dword0.len_qno,
+			frame_len - FRAME_DESC_SZ, RSI_WIFI_MGMT_Q);
+	w9116_features->desc.desc_dword0.frame_type = FEATURES_ENABLE;
+	skb_put(skb, frame_len);
+
+	return rsi_send_internal_mgmt_frame(common, skb);
+}
+
 /**
  * rsi_set_antenna() - This function send antenna configuration request
  *		       to device
@@ -1964,6 +2013,12 @@ static int rsi_handle_ta_confirm_type(struct rsi_common *common,
 	case RADIO_CAPABILITIES:
 		if (common->fsm_state == FSM_RADIO_CAPS_SENT) {
 			common->rf_reset = 1;
+			if (adapter->device_model == RSI_DEV_9116 &&
+			    rsi_send_w9116_features(common)) {
+				rsi_dbg(ERR_ZONE,
+					"Failed to send 9116 features\n");
+				goto out;
+			}
 			if (rsi_program_bb_rf(common)) {
 				goto out;
 			} else {
diff --git a/drivers/net/wireless/rsi/rsi_main.h b/drivers/net/wireless/rsi/rsi_main.h
index e35c6e5151c3..73a19e43106b 100644
--- a/drivers/net/wireless/rsi/rsi_main.h
+++ b/drivers/net/wireless/rsi/rsi_main.h
@@ -219,6 +219,17 @@ enum rsi_dfs_regions {
 	RSI_REGION_WORLD
 };
 
+struct rsi_9116_features {
+	u8 pll_mode;
+	u8 rf_type;
+	u8 wireless_mode;
+	u8 afe_type;
+	u8 enable_ppe;
+	u8 dpd;
+	u32 sifs_tx_enable;
+	u32 ps_options;
+};
+
 struct rsi_common {
 	struct rsi_hw *priv;
 	struct vif_priv vif_info[RSI_MAX_VIFS];
@@ -314,6 +325,7 @@ struct rsi_common {
 
 	struct cfg80211_scan_request *hwscan;
 	struct rsi_bgscan_params bgscan;
+	struct rsi_9116_features w9116_features;
 	u8 bgscan_en;
 	u8 mac_ops_resumed;
 };
diff --git a/drivers/net/wireless/rsi/rsi_mgmt.h b/drivers/net/wireless/rsi/rsi_mgmt.h
index 6b9248df6784..2ce2dcf57441 100644
--- a/drivers/net/wireless/rsi/rsi_mgmt.h
+++ b/drivers/net/wireless/rsi/rsi_mgmt.h
@@ -294,6 +294,7 @@ enum cmd_frame_type {
 	COMMON_DEV_CONFIG = 0x28,
 	RADIO_PARAMS_UPDATE = 0x29,
 	WOWLAN_CONFIG_PARAMS = 0x2B,
+	FEATURES_ENABLE = 0x33,
 	WOWLAN_WAKEUP_REASON = 0xc5
 };
 
@@ -663,6 +664,22 @@ struct rsi_bgscan_probe {
 	__le16 probe_req_length;
 } __packed;
 
+#define RSI_DUTY_CYCLING	BIT(0)
+#define RSI_END_OF_FRAME	BIT(1)
+#define RSI_SIFS_TX_ENABLE	BIT(2)
+#define RSI_DPD			BIT(3)
+struct rsi_wlan_9116_features {
+	struct rsi_cmd_desc desc;
+	u8 pll_mode;
+	u8 rf_type;
+	u8 wireless_mode;
+	u8 enable_ppe;
+	u8 afe_type;
+	u8 reserved1;
+	__le16 reserved2;
+	__le32 feature_enable;
+};
+
 static inline u32 rsi_get_queueno(u8 *addr, u16 offset)
 {
 	return (le16_to_cpu(*(__le16 *)&addr[offset]) & 0x7000) >> 12;
-- 
2.17.1