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immortalwrt/package/kernel/mac80211/patches/rtl/010-wifi-rtw88-Add-rtw8821cu-chipset-support.patch
Marty Jones 347295536b
mac80211: sync realtek rtw88 with v6.4 
Signed-off-by: Marty Jones <mj8263788@gmail.com>
2024-03-04 23:23:29 +08:00

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From ee542f62f5ba5cf88a21e638b387c9a3b85687a5 Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Fri, 2 Dec 2022 09:12:21 +0100
Subject: [PATCH 10/13] wifi: rtw88: Add rtw8821cu chipset support
Add support for the rtw8821cu chipset based on
https://github.com/ulli-kroll/rtw88-usb.git
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221202081224.2779981-9-s.hauer@pengutronix.de
---
drivers/net/wireless/realtek/rtw88/Kconfig | 11 ++++
drivers/net/wireless/realtek/rtw88/Makefile | 3 ++
drivers/net/wireless/realtek/rtw88/rtw8821c.c | 18 +++++++
drivers/net/wireless/realtek/rtw88/rtw8821c.h | 21 ++++++++
.../net/wireless/realtek/rtw88/rtw8821cu.c | 50 +++++++++++++++++++
5 files changed, 103 insertions(+)
create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8821cu.c
--- a/drivers/net/wireless/realtek/rtw88/Kconfig
+++ b/drivers/net/wireless/realtek/rtw88/Kconfig
@@ -87,6 +87,17 @@ config RTW88_8821CE
802.11ac PCIe wireless network adapter
+config RTW88_8821CU
+ tristate "Realtek 8821CU USB wireless network adapter"
+ depends on USB
+ select RTW88_CORE
+ select RTW88_USB
+ select RTW88_8821C
+ help
+ Select this option will enable support for 8821CU chipset
+
+ 802.11ac USB wireless network adapter
+
config RTW88_DEBUG
bool "Realtek rtw88 debug support"
depends on RTW88_CORE
--- a/drivers/net/wireless/realtek/rtw88/Makefile
+++ b/drivers/net/wireless/realtek/rtw88/Makefile
@@ -44,6 +44,9 @@ rtw88_8821c-objs := rtw8821c.o rtw8821c
obj-$(CPTCFG_RTW88_8821CE) += rtw88_8821ce.o
rtw88_8821ce-objs := rtw8821ce.o
+obj-$(CPTCFG_RTW88_8821CU) += rtw88_8821cu.o
+rtw88_8821cu-objs := rtw8821cu.o
+
obj-$(CPTCFG_RTW88_PCI) += rtw88_pci.o
rtw88_pci-objs := pci.o
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
@@ -26,6 +26,12 @@ static void rtw8821ce_efuse_parsing(stru
ether_addr_copy(efuse->addr, map->e.mac_addr);
}
+static void rtw8821cu_efuse_parsing(struct rtw_efuse *efuse,
+ struct rtw8821c_efuse *map)
+{
+ ether_addr_copy(efuse->addr, map->u.mac_addr);
+}
+
enum rtw8821ce_rf_set {
SWITCH_TO_BTG,
SWITCH_TO_WLG,
@@ -68,6 +74,9 @@ static int rtw8821c_read_efuse(struct rt
case RTW_HCI_TYPE_PCIE:
rtw8821ce_efuse_parsing(efuse, map);
break;
+ case RTW_HCI_TYPE_USB:
+ rtw8821cu_efuse_parsing(efuse, map);
+ break;
default:
/* unsupported now */
return -ENOTSUPP;
@@ -1148,6 +1157,13 @@ static void rtw8821c_phy_cck_pd_set(stru
dm_info->cck_pd_default + new_lvl * 2);
}
+static void rtw8821c_fill_txdesc_checksum(struct rtw_dev *rtwdev,
+ struct rtw_tx_pkt_info *pkt_info,
+ u8 *txdesc)
+{
+ fill_txdesc_checksum_common(txdesc, 16);
+}
+
static struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8821c[] = {
{0x0086,
RTW_PWR_CUT_ALL_MSK,
@@ -1521,6 +1537,7 @@ static const struct rtw_rfe_def rtw8821c
[2] = RTW_DEF_RFE_EXT(8821c, 0, 0, 2),
[4] = RTW_DEF_RFE_EXT(8821c, 0, 0, 2),
[6] = RTW_DEF_RFE(8821c, 0, 0),
+ [34] = RTW_DEF_RFE(8821c, 0, 0),
};
static struct rtw_hw_reg rtw8821c_dig[] = {
@@ -1595,6 +1612,7 @@ static struct rtw_chip_ops rtw8821c_ops
.config_bfee = rtw8821c_bf_config_bfee,
.set_gid_table = rtw_bf_set_gid_table,
.cfg_csi_rate = rtw_bf_cfg_csi_rate,
+ .fill_txdesc_checksum = rtw8821c_fill_txdesc_checksum,
.coex_set_init = rtw8821c_coex_cfg_init,
.coex_set_ant_switch = rtw8821c_coex_cfg_ant_switch,
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.h
@@ -9,6 +9,26 @@
#define RCR_VHT_ACK BIT(26)
+struct rtw8821cu_efuse {
+ u8 res4[4]; /* 0xd0 */
+ u8 usb_optional_function;
+ u8 res5[0x1e];
+ u8 res6[2];
+ u8 serial[0x0b]; /* 0xf5 */
+ u8 vid; /* 0x100 */
+ u8 res7;
+ u8 pid;
+ u8 res8[4];
+ u8 mac_addr[ETH_ALEN]; /* 0x107 */
+ u8 res9[2];
+ u8 vendor_name[0x07];
+ u8 res10[2];
+ u8 device_name[0x14];
+ u8 res11[0xcf];
+ u8 package_type; /* 0x1fb */
+ u8 res12[0x4];
+};
+
struct rtw8821ce_efuse {
u8 mac_addr[ETH_ALEN]; /* 0xd0 */
u8 vender_id[2];
@@ -73,6 +93,7 @@ struct rtw8821c_efuse {
u8 res[3];
union {
struct rtw8821ce_efuse e;
+ struct rtw8821cu_efuse u;
};
};
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821cu.c
@@ -0,0 +1,50 @@
+// 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 "rtw8821c.h"
+#include "usb.h"
+
+static const struct usb_device_id rtw_8821cu_id_table[] = {
+ { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xb82b, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8821CU */
+ { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xb820, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8821CU */
+ { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc821, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8821CU */
+ { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc820, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8821CU */
+ { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc82a, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8821CU */
+ { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc82b, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8821CU */
+ { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc811, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8811CU */
+ { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0x8811, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8811CU */
+ { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0x2006, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* TOTOLINK A650UA v3 */
+ {},
+};
+MODULE_DEVICE_TABLE(usb, rtw_8821cu_id_table);
+
+static int rtw_8821cu_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ return rtw_usb_probe(intf, id);
+}
+
+static struct usb_driver rtw_8821cu_driver = {
+ .name = "rtw_8821cu",
+ .id_table = rtw_8821cu_id_table,
+ .probe = rtw_8821cu_probe,
+ .disconnect = rtw_usb_disconnect,
+};
+module_usb_driver(rtw_8821cu_driver);
+
+MODULE_AUTHOR("Hans Ulli Kroll <linux@ulli-kroll.de>");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless 8821cu driver");
+MODULE_LICENSE("Dual BSD/GPL");
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