From: Ping-Ke Shih <pkshih@realtek.com>
Date: Tue, 26 Aug 2025 08:54:24 +0000 (+0800)
Subject: wifi: rtw89: add getting function of DMA channel v1
X-Git-Tag: v6.18-rc1~132^2~56^2~5^2~20
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e83a2a996b5cbf5398375d9b0b19d2b6bd27a18d;p=thirdparty%2Flinux.git

wifi: rtw89: add getting function of DMA channel v1

The coming RTL8922DE uses new mapping of DMA channel. Add it accordingly.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250826085424.28713-1-pkshih@realtek.com
---

diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index 625baa0cb63c8..20d8f2221f816 100644
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -737,6 +737,28 @@ u8 rtw89_core_get_ch_dma(struct rtw89_dev *rtwdev, u8 qsel)
 }
 EXPORT_SYMBOL(rtw89_core_get_ch_dma);
 
+u8 rtw89_core_get_ch_dma_v1(struct rtw89_dev *rtwdev, u8 qsel)
+{
+	switch (qsel) {
+	default:
+		rtw89_warn(rtwdev, "Cannot map qsel to dma v1: %d\n", qsel);
+		fallthrough;
+	case RTW89_TX_QSEL_BE_0:
+	case RTW89_TX_QSEL_BK_0:
+		return RTW89_TXCH_ACH0;
+	case RTW89_TX_QSEL_VI_0:
+	case RTW89_TX_QSEL_VO_0:
+		return RTW89_TXCH_ACH2;
+	case RTW89_TX_QSEL_B0_MGMT:
+	case RTW89_TX_QSEL_B0_HI:
+		return RTW89_TXCH_CH8;
+	case RTW89_TX_QSEL_B1_MGMT:
+	case RTW89_TX_QSEL_B1_HI:
+		return RTW89_TXCH_CH10;
+	}
+}
+EXPORT_SYMBOL(rtw89_core_get_ch_dma_v1);
+
 static void
 rtw89_core_tx_update_mgmt_info(struct rtw89_dev *rtwdev,
 			       struct rtw89_core_tx_request *tx_req)
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 22f7fb30ff968..ecfbcff850471 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -7451,6 +7451,7 @@ void rtw89_core_fill_txdesc_fwcmd_v2(struct rtw89_dev *rtwdev,
 				     struct rtw89_tx_desc_info *desc_info,
 				     void *txdesc);
 u8 rtw89_core_get_ch_dma(struct rtw89_dev *rtwdev, u8 qsel);
+u8 rtw89_core_get_ch_dma_v1(struct rtw89_dev *rtwdev, u8 qsel);
 void rtw89_core_rx(struct rtw89_dev *rtwdev,
 		   struct rtw89_rx_desc_info *desc_info,
 		   struct sk_buff *skb);