rtw88: Add rtw8723du chipset support

Add support for the rtw8723du chipset based on https://github.com/ulli-kroll/rtw88-usb.git Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
intel-lab-lkp · May 18, 2022 · 0a06adb · 0a06adb
1 parent 9914ca0
commit 0a06adb
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diff --git a/drivers/net/wireless/realtek/rtw88/Kconfig b/drivers/net/wireless/realtek/rtw88/Kconfig
@@ -64,6 +64,17 @@ config RTW88_8723DE
 
 	  802.11n PCIe wireless network adapter
 
+config RTW88_8723DU
+	tristate "Realtek 8723DU USB wireless network adapter"
+	depends on USB
+	select RTW88_CORE
+	select RTW88_USB
+	select RTW88_8723D
+	help
+	  Select this option will enable support for 8723DU chipset
+
+	  802.11n USB wireless network adapter
+
 config RTW88_8821CE
 	tristate "Realtek 8821CE PCI wireless network adapter"
 	depends on PCI

diff --git a/drivers/net/wireless/realtek/rtw88/Makefile b/drivers/net/wireless/realtek/rtw88/Makefile
@@ -38,6 +38,9 @@ rtw88_8723d-objs		:= rtw8723d.o rtw8723d_table.o
 obj-$(CONFIG_RTW88_8723DE)	+= rtw88_8723de.o
 rtw88_8723de-objs		:= rtw8723de.o
 
+obj-$(CONFIG_RTW88_8723DU)	+= rtw88_8723du.o
+rtw88_8723du-objs		:= rtw8723du.o
+
 obj-$(CONFIG_RTW88_8821C)	+= rtw88_8821c.o
 rtw88_8821c-objs		:= rtw8821c.o rtw8821c_table.o
 

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.c b/drivers/net/wireless/realtek/rtw88/rtw8723d.c
@@ -210,6 +210,12 @@ static void rtw8723de_efuse_parsing(struct rtw_efuse *efuse,
 	ether_addr_copy(efuse->addr, map->e.mac_addr);
 }
 
+static void rtw8723du_efuse_parsing(struct rtw_efuse *efuse,
+				    struct rtw8723d_efuse *map)
+{
+	ether_addr_copy(efuse->addr, map->u.mac_addr);
+}
+
 static int rtw8723d_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
 {
 	struct rtw_efuse *efuse = &rtwdev->efuse;
@@ -239,6 +245,9 @@ static int rtw8723d_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
 	case RTW_HCI_TYPE_PCIE:
 		rtw8723de_efuse_parsing(efuse, map);
 		break;
+	case RTW_HCI_TYPE_USB:
+		rtw8723du_efuse_parsing(efuse, map);
+		break;
 	default:
 		/* unsupported now */
 		return -ENOTSUPP;
@@ -1945,6 +1954,15 @@ static void rtw8723d_pwr_track(struct rtw_dev *rtwdev)
 	dm_info->pwr_trk_triggered = false;
 }
 
+static void rtw8723d_fill_txdesc_checksum(struct rtw_dev *rtwdev,
+					  struct rtw_tx_pkt_info *pkt_info,
+					  u8 *txdesc)
+{
+	size_t words = 32 / 2; /* calculate the first 32 bytes (16 words) */
+
+	fill_txdesc_checksum_common(txdesc, words);
+}
+
 static struct rtw_chip_ops rtw8723d_ops = {
 	.phy_set_param		= rtw8723d_phy_set_param,
 	.read_efuse		= rtw8723d_read_efuse,
@@ -1965,6 +1983,7 @@ static struct rtw_chip_ops rtw8723d_ops = {
 	.config_bfee		= NULL,
 	.set_gid_table		= NULL,
 	.cfg_csi_rate		= NULL,
+	.fill_txdesc_checksum	= rtw8723d_fill_txdesc_checksum,
 
 	.coex_set_init		= rtw8723d_coex_cfg_init,
 	.coex_set_ant_switch	= NULL,

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.h b/drivers/net/wireless/realtek/rtw88/rtw8723d.h
@@ -70,6 +70,7 @@ struct rtw8723d_efuse {
 	u8 country_code[2];
 	u8 res[3];
 	struct rtw8723de_efuse e;
+	struct rtw8723de_efuse u;
 };
 
 /* phy status page0 */

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723du.c b/drivers/net/wireless/realtek/rtw88/rtw8723du.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright(c) 2018-2019  Realtek Corporation
+ */
+
+#include <linux/module.h>
+#include <linux/usb.h>
+#include "main.h"
+#include "rtw8723du.h"
+#include "usb.h"
+
+static const struct usb_device_id rtw_8723du_id_table[] = {
+	/*
+	 * ULLI :
+	 * ID found in rtw8822bu sources
+	 */
+	{ USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK,
+					0xD723,
+					0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&(rtw8723d_hw_spec) }, /* 8723DU 1*1 */
+	{ },
+};
+MODULE_DEVICE_TABLE(usb, rtw_8723du_id_table);
+
+static int rtw8723du_probe(struct usb_interface *intf,
+			    const struct usb_device_id *id)
+{
+	return rtw_usb_probe(intf, id);
+}
+
+static struct usb_driver rtw_8723du_driver = {
+	.name = "rtw_8723du",
+	.id_table = rtw_8723du_id_table,
+	.probe = rtw8723du_probe,
+	.disconnect = rtw_usb_disconnect,
+};
+module_usb_driver(rtw_8723du_driver);
+
+MODULE_AUTHOR("Hans Ulli Kroll <linux@ulli-kroll.de>");
+MODULE_DESCRIPTION("Realtek 802.11n wireless 8723du driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723du.h b/drivers/net/wireless/realtek/rtw88/rtw8723du.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2018-2019  Realtek Corporation
+ */
+
+#ifndef __RTW_8723DU_H_
+#define __RTW_8723DU_H_
+
+/* USB Vendor/Product IDs */
+#define RTW_USB_VENDOR_ID_REALTEK		0x0BDA
+
+extern struct rtw_chip_info rtw8723d_hw_spec;
+
+#endif