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Date: Wed, 18 May 2022 10:23:18 +0200
From: Sascha Hauer <s.hauer@...gutronix.de>
To: linux-wireless@...r.kernel.org
Cc: Neo Jou <neojou@...il.com>, Hans Ulli Kroll <linux@...i-kroll.de>,
Ping-Ke Shih <pkshih@...ltek.com>,
Yan-Hsuan Chuang <tony0620emma@...il.com>,
Kalle Valo <kvalo@...nel.org>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
kernel@...gutronix.de, Johannes Berg <johannes@...solutions.net>,
Sascha Hauer <s.hauer@...gutronix.de>
Subject: [PATCH 10/10] rtw88: Add rtw8822cu chipset support
Add support for the rtw8822cu chipset based on
https://github.com/ulli-kroll/rtw88-usb.git
Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
---
drivers/net/wireless/realtek/rtw88/Kconfig | 11 +++++
drivers/net/wireless/realtek/rtw88/Makefile | 3 ++
drivers/net/wireless/realtek/rtw88/rtw8822c.c | 24 +++++++++++
.../net/wireless/realtek/rtw88/rtw8822cu.c | 40 +++++++++++++++++++
.../net/wireless/realtek/rtw88/rtw8822cu.h | 15 +++++++
5 files changed, 93 insertions(+)
create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8822cu.c
create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8822cu.h
diff --git a/drivers/net/wireless/realtek/rtw88/Kconfig b/drivers/net/wireless/realtek/rtw88/Kconfig
index e4c60f1449ec8..651ab56d9c6bd 100644
--- a/drivers/net/wireless/realtek/rtw88/Kconfig
+++ b/drivers/net/wireless/realtek/rtw88/Kconfig
@@ -64,6 +64,17 @@ config RTW88_8822CE
802.11ac PCIe wireless network adapter
+config RTW88_8822CU
+ tristate "Realtek 8822CU USB wireless network adapter"
+ depends on USB
+ select RTW88_CORE
+ select RTW88_USB
+ select RTW88_8822C
+ help
+ Select this option will enable support for 8822CU chipset
+
+ 802.11ac USB wireless network adapter
+
config RTW88_8723DE
tristate "Realtek 8723DE PCI wireless network adapter"
depends on PCI
diff --git a/drivers/net/wireless/realtek/rtw88/Makefile b/drivers/net/wireless/realtek/rtw88/Makefile
index e4126ddf7d659..e0950dbc2565a 100644
--- a/drivers/net/wireless/realtek/rtw88/Makefile
+++ b/drivers/net/wireless/realtek/rtw88/Makefile
@@ -35,6 +35,9 @@ rtw88_8822c-objs := rtw8822c.o rtw8822c_table.o
obj-$(CONFIG_RTW88_8822CE) += rtw88_8822ce.o
rtw88_8822ce-objs := rtw8822ce.o
+obj-$(CONFIG_RTW88_8822CU) += rtw88_8822cu.o
+rtw88_8822cu-objs := rtw8822cu.o
+
obj-$(CONFIG_RTW88_8723D) += rtw88_8723d.o
rtw88_8723d-objs := rtw8723d.o rtw8723d_table.o
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
index cd74607a61a28..51c90ef20c456 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
@@ -29,6 +29,12 @@ static void rtw8822ce_efuse_parsing(struct rtw_efuse *efuse,
ether_addr_copy(efuse->addr, map->e.mac_addr);
}
+static void rtw8822cu_efuse_parsing(struct rtw_efuse *efuse,
+ struct rtw8822c_efuse *map)
+{
+ ether_addr_copy(efuse->addr, map->u.mac_addr);
+}
+
static int rtw8822c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
{
struct rtw_efuse *efuse = &rtwdev->efuse;
@@ -58,6 +64,9 @@ static int rtw8822c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
case RTW_HCI_TYPE_PCIE:
rtw8822ce_efuse_parsing(efuse, map);
break;
+ case RTW_HCI_TYPE_USB:
+ rtw8822cu_efuse_parsing(efuse, map);
+ break;
default:
/* unsupported now */
return -ENOTSUPP;
@@ -4557,6 +4566,18 @@ static void rtw8822c_adaptivity(struct rtw_dev *rtwdev)
rtw_phy_set_edcca_th(rtwdev, l2h, h2l);
}
+static void rtw8822c_fill_txdesc_checksum(struct rtw_dev *rtwdev,
+ struct rtw_tx_pkt_info *pkt_info,
+ u8 *txdesc)
+{
+ struct rtw_chip_info *chip = rtwdev->chip;
+ size_t words;
+
+ words = (pkt_info->pkt_offset * 8 + chip->tx_pkt_desc_sz) / 2;
+
+ fill_txdesc_checksum_common(txdesc, words);
+}
+
static const struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8822c[] = {
{0x0086,
RTW_PWR_CUT_ALL_MSK,
@@ -4895,6 +4916,8 @@ static const struct rtw_rfe_def rtw8822c_rfe_defs[] = {
[0] = RTW_DEF_RFE(8822c, 0, 0),
[1] = RTW_DEF_RFE(8822c, 0, 0),
[2] = RTW_DEF_RFE(8822c, 0, 0),
+ [3] = RTW_DEF_RFE(8822c, 0, 0),
+ [4] = RTW_DEF_RFE(8822c, 0, 0),
[5] = RTW_DEF_RFE(8822c, 0, 5),
[6] = RTW_DEF_RFE(8822c, 0, 0),
};
@@ -4978,6 +5001,7 @@ static struct rtw_chip_ops rtw8822c_ops = {
.cfo_track = rtw8822c_cfo_track,
.config_tx_path = rtw8822c_config_tx_path,
.config_txrx_mode = rtw8822c_config_trx_mode,
+ .fill_txdesc_checksum = rtw8822c_fill_txdesc_checksum,
.coex_set_init = rtw8822c_coex_cfg_init,
.coex_set_ant_switch = NULL,
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822cu.c b/drivers/net/wireless/realtek/rtw88/rtw8822cu.c
new file mode 100644
index 0000000000000..36dc734f76eb3
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822cu.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 "rtw8822cu.h"
+#include "usb.h"
+
+static const struct usb_device_id rtw_8822cu_id_table[] = {
+ { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK,
+ RTW_USB_PRODUCT_ID_REALTEK_8822C,
+ 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&(rtw8822c_hw_spec) },
+ { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK,
+ RTW_USB_PRODUCT_ID_REALTEK_8812C,
+ 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&(rtw8822c_hw_spec) },
+ {},
+};
+MODULE_DEVICE_TABLE(usb, rtw_8822cu_id_table);
+
+static int rtw8822bu_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ return rtw_usb_probe(intf, id);
+}
+
+static struct usb_driver rtw_8822cu_driver = {
+ .name = "rtw_8822cu",
+ .id_table = rtw_8822cu_id_table,
+ .probe = rtw8822bu_probe,
+ .disconnect = rtw_usb_disconnect,
+};
+module_usb_driver(rtw_8822cu_driver);
+
+MODULE_AUTHOR("Realtek Corporation");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless 8822cu driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822cu.h b/drivers/net/wireless/realtek/rtw88/rtw8822cu.h
new file mode 100644
index 0000000000000..16afe22a8216c
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822cu.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#ifndef __RTW_8822CU_H_
+#define __RTW_8822CU_H_
+
+/* USB Vendor/Product IDs */
+#define RTW_USB_VENDOR_ID_REALTEK 0x0BDA
+#define RTW_USB_PRODUCT_ID_REALTEK_8812C 0xC812
+#define RTW_USB_PRODUCT_ID_REALTEK_8822C 0xC82C
+
+extern struct rtw_chip_info rtw8822c_hw_spec;
+
+#endif
--
2.30.2
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