From:   Sireesh Kodali <sireeshkodali1@gmail.com>
To:     loic.poulain@linaro.org, wcn36xx@lists.infradead.org,
        linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
        ~postmarketos/upstreaming@lists.sr.ht, linux-kernel@vger.kernel.org
Cc:     Vladimir Lypak <vladimir.lypak@gmail.com>,
        Sireesh Kodali <sireeshkodali1@gmail.com>,
        Kalle Valo <kvalo@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>
Subject: [PATCH 1/1] net: wireless: ath: wcn36xx: add support for pronto-v3
Date:   Sat, 11 Mar 2023 20:36:47 +0530
Message-Id: <20230311150647.22935-2-sireeshkodali1@gmail.com>
In-Reply-To: <20230311150647.22935-1-sireeshkodali1@gmail.com>
References: <20230311150647.22935-1-sireeshkodali1@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

From: Vladimir Lypak <vladimir.lypak@gmail.com>

Pronto v3 has a different DXE address than prior Pronto versions. This
patch changes the macro to return the correct register address based on
the pronto version.

Signed-off-by: Vladimir Lypak <vladimir.lypak@gmail.com>
Signed-off-by: Sireesh Kodali <sireeshkodali1@gmail.com>
---
 drivers/net/wireless/ath/wcn36xx/dxe.c     | 23 +++++++++++-----------
 drivers/net/wireless/ath/wcn36xx/dxe.h     |  4 ++--
 drivers/net/wireless/ath/wcn36xx/main.c    |  1 +
 drivers/net/wireless/ath/wcn36xx/wcn36xx.h |  1 +
 4 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c
index 4e9e13941c8f..9013f056eecb 100644
--- a/drivers/net/wireless/ath/wcn36xx/dxe.c
+++ b/drivers/net/wireless/ath/wcn36xx/dxe.c
@@ -112,8 +112,8 @@ int wcn36xx_dxe_alloc_ctl_blks(struct wcn36xx *wcn)
 	wcn->dxe_rx_l_ch.desc_num = WCN36XX_DXE_CH_DESC_NUMB_RX_L;
 	wcn->dxe_rx_h_ch.desc_num = WCN36XX_DXE_CH_DESC_NUMB_RX_H;
 
-	wcn->dxe_tx_l_ch.dxe_wq =  WCN36XX_DXE_WQ_TX_L;
-	wcn->dxe_tx_h_ch.dxe_wq =  WCN36XX_DXE_WQ_TX_H;
+	wcn->dxe_tx_l_ch.dxe_wq =  WCN36XX_DXE_WQ_TX_L(wcn);
+	wcn->dxe_tx_h_ch.dxe_wq =  WCN36XX_DXE_WQ_TX_H(wcn);
 
 	wcn->dxe_tx_l_ch.ctrl_bd = WCN36XX_DXE_CTRL_TX_L_BD;
 	wcn->dxe_tx_h_ch.ctrl_bd = WCN36XX_DXE_CTRL_TX_H_BD;
@@ -165,8 +165,9 @@ void wcn36xx_dxe_free_ctl_blks(struct wcn36xx *wcn)
 	wcn36xx_dxe_free_ctl_block(&wcn->dxe_rx_h_ch);
 }
 
-static int wcn36xx_dxe_init_descs(struct device *dev, struct wcn36xx_dxe_ch *wcn_ch)
+static int wcn36xx_dxe_init_descs(struct wcn36xx *wcn, struct wcn36xx_dxe_ch *wcn_ch)
 {
+	struct device *dev = wcn->dev;
 	struct wcn36xx_dxe_desc *cur_dxe = NULL;
 	struct wcn36xx_dxe_desc *prev_dxe = NULL;
 	struct wcn36xx_dxe_ctl *cur_ctl = NULL;
@@ -190,11 +191,11 @@ static int wcn36xx_dxe_init_descs(struct device *dev, struct wcn36xx_dxe_ch *wcn
 		switch (wcn_ch->ch_type) {
 		case WCN36XX_DXE_CH_TX_L:
 			cur_dxe->ctrl = WCN36XX_DXE_CTRL_TX_L;
-			cur_dxe->dst_addr_l = WCN36XX_DXE_WQ_TX_L;
+			cur_dxe->dst_addr_l = WCN36XX_DXE_WQ_TX_L(wcn);
 			break;
 		case WCN36XX_DXE_CH_TX_H:
 			cur_dxe->ctrl = WCN36XX_DXE_CTRL_TX_H;
-			cur_dxe->dst_addr_l = WCN36XX_DXE_WQ_TX_H;
+			cur_dxe->dst_addr_l = WCN36XX_DXE_WQ_TX_H(wcn);
 			break;
 		case WCN36XX_DXE_CH_RX_L:
 			cur_dxe->ctrl = WCN36XX_DXE_CTRL_RX_L;
@@ -914,7 +915,7 @@ int wcn36xx_dxe_init(struct wcn36xx *wcn)
 	/***************************************/
 	/* Init descriptors for TX LOW channel */
 	/***************************************/
-	ret = wcn36xx_dxe_init_descs(wcn->dev, &wcn->dxe_tx_l_ch);
+	ret = wcn36xx_dxe_init_descs(wcn, &wcn->dxe_tx_l_ch);
 	if (ret) {
 		dev_err(wcn->dev, "Error allocating descriptor\n");
 		return ret;
@@ -928,14 +929,14 @@ int wcn36xx_dxe_init(struct wcn36xx *wcn)
 	/* Program DMA destination addr for TX LOW */
 	wcn36xx_dxe_write_register(wcn,
 		WCN36XX_DXE_CH_DEST_ADDR_TX_L,
-		WCN36XX_DXE_WQ_TX_L);
+		WCN36XX_DXE_WQ_TX_L(wcn));
 
 	wcn36xx_dxe_read_register(wcn, WCN36XX_DXE_REG_CH_EN, &reg_data);
 
 	/***************************************/
 	/* Init descriptors for TX HIGH channel */
 	/***************************************/
-	ret = wcn36xx_dxe_init_descs(wcn->dev, &wcn->dxe_tx_h_ch);
+	ret = wcn36xx_dxe_init_descs(wcn, &wcn->dxe_tx_h_ch);
 	if (ret) {
 		dev_err(wcn->dev, "Error allocating descriptor\n");
 		goto out_err_txh_ch;
@@ -950,14 +951,14 @@ int wcn36xx_dxe_init(struct wcn36xx *wcn)
 	/* Program DMA destination addr for TX HIGH */
 	wcn36xx_dxe_write_register(wcn,
 		WCN36XX_DXE_CH_DEST_ADDR_TX_H,
-		WCN36XX_DXE_WQ_TX_H);
+		WCN36XX_DXE_WQ_TX_H(wcn));
 
 	wcn36xx_dxe_read_register(wcn, WCN36XX_DXE_REG_CH_EN, &reg_data);
 
 	/***************************************/
 	/* Init descriptors for RX LOW channel */
 	/***************************************/
-	ret = wcn36xx_dxe_init_descs(wcn->dev, &wcn->dxe_rx_l_ch);
+	ret = wcn36xx_dxe_init_descs(wcn, &wcn->dxe_rx_l_ch);
 	if (ret) {
 		dev_err(wcn->dev, "Error allocating descriptor\n");
 		goto out_err_rxl_ch;
@@ -988,7 +989,7 @@ int wcn36xx_dxe_init(struct wcn36xx *wcn)
 	/***************************************/
 	/* Init descriptors for RX HIGH channel */
 	/***************************************/
-	ret = wcn36xx_dxe_init_descs(wcn->dev, &wcn->dxe_rx_h_ch);
+	ret = wcn36xx_dxe_init_descs(wcn, &wcn->dxe_rx_h_ch);
 	if (ret) {
 		dev_err(wcn->dev, "Error allocating descriptor\n");
 		goto out_err_rxh_ch;
diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.h b/drivers/net/wireless/ath/wcn36xx/dxe.h
index 26a31edf52e9..dd8c684a3ba7 100644
--- a/drivers/net/wireless/ath/wcn36xx/dxe.h
+++ b/drivers/net/wireless/ath/wcn36xx/dxe.h
@@ -135,8 +135,8 @@ H2H_TEST_RX_TX = DMA2
 	WCN36xx_DXE_CTRL_ENDIANNESS)
 
 /* TODO This must calculated properly but not hardcoded */
-#define WCN36XX_DXE_WQ_TX_L			0x17
-#define WCN36XX_DXE_WQ_TX_H			0x17
+#define WCN36XX_DXE_WQ_TX_L(wcn)    ((wcn)->is_pronto_v3 ? 0x6 : 0x17)
+#define WCN36XX_DXE_WQ_TX_H(wcn)    ((wcn)->is_pronto_v3 ? 0x6 : 0x17)
 #define WCN36XX_DXE_WQ_RX_L			0xB
 #define WCN36XX_DXE_WQ_RX_H			0x4
 
diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index 3b79cc1c7c5b..8dbd115a393c 100644
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -1508,6 +1508,7 @@ static int wcn36xx_platform_get_resources(struct wcn36xx *wcn,
 	}
 
 	wcn->is_pronto = !!of_device_is_compatible(mmio_node, "qcom,pronto");
+	wcn->is_pronto_v3 = !!of_device_is_compatible(mmio_node, "qcom,pronto-v3-pil");
 
 	/* Map the CCU memory */
 	index = of_property_match_string(mmio_node, "reg-names", "ccu");
diff --git a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
index 9aa08b636d08..ff4a8e5d7209 100644
--- a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
+++ b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
@@ -217,6 +217,7 @@ struct wcn36xx {
 	u8			fw_major;
 	u32			fw_feat_caps[WCN36XX_HAL_CAPS_SIZE];
 	bool			is_pronto;
+	bool			is_pronto_v3;
 
 	/* extra byte for the NULL termination */
 	u8			crm_version[WCN36XX_HAL_VERSION_LENGTH + 1];
-- 
2.39.2