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Message-Id: <20220518082318.3898514-9-s.hauer@pengutronix.de>
Date: Wed, 18 May 2022 10:23:16 +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 08/10] 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@...gutronix.de>
---
drivers/net/wireless/realtek/rtw88/Kconfig | 11 +++
drivers/net/wireless/realtek/rtw88/Makefile | 3 +
drivers/net/wireless/realtek/rtw88/rtw8821c.c | 23 +++++++
drivers/net/wireless/realtek/rtw88/rtw8821c.h | 21 ++++++
.../net/wireless/realtek/rtw88/rtw8821cu.c | 69 +++++++++++++++++++
.../net/wireless/realtek/rtw88/rtw8821cu.h | 15 ++++
6 files changed, 142 insertions(+)
create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8821cu.c
create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8821cu.h
diff --git a/drivers/net/wireless/realtek/rtw88/Kconfig b/drivers/net/wireless/realtek/rtw88/Kconfig
index ad1ac453015a9..5b1bafccd3d4c 100644
--- a/drivers/net/wireless/realtek/rtw88/Kconfig
+++ b/drivers/net/wireless/realtek/rtw88/Kconfig
@@ -86,6 +86,17 @@ 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
diff --git a/drivers/net/wireless/realtek/rtw88/Makefile b/drivers/net/wireless/realtek/rtw88/Makefile
index eb26c215fcde3..5498e8bbcbf17 100644
--- a/drivers/net/wireless/realtek/rtw88/Makefile
+++ b/drivers/net/wireless/realtek/rtw88/Makefile
@@ -47,6 +47,9 @@ rtw88_8821c-objs := rtw8821c.o rtw8821c_table.o
obj-$(CONFIG_RTW88_8821CE) += rtw88_8821ce.o
rtw88_8821ce-objs := rtw8821ce.o
+obj-$(CONFIG_RTW88_8821CU) += rtw88_8821cu.o
+rtw88_8821cu-objs := rtw8821cu.o
+
obj-$(CONFIG_RTW88_PCI) += rtw88_pci.o
obj-$(CONFIG_RTW88_USB) += rtw88_usb.o
rtw88_pci-objs := pci.o
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
index 99eee128ae945..82e78559d8264 100644
--- 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(struct rtw_efuse *efuse,
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 rtw_dev *rtwdev, u8 *log_map)
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;
@@ -1142,6 +1151,18 @@ static void rtw8821c_phy_cck_pd_set(struct rtw_dev *rtwdev, u8 new_lvl)
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)
+{
+ 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 struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8821c[] = {
{0x0086,
RTW_PWR_CUT_ALL_MSK,
@@ -1515,6 +1536,7 @@ static const struct rtw_rfe_def rtw8821c_rfe_defs[] = {
[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[] = {
@@ -1589,6 +1611,7 @@ 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,
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.h b/drivers/net/wireless/realtek/rtw88/rtw8821c.h
index d9fbddd7b0f35..3ac54ea533117 100644
--- 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;
};
};
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821cu.c b/drivers/net/wireless/realtek/rtw88/rtw8821cu.c
new file mode 100644
index 0000000000000..e6710c5ebdfc8
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821cu.c
@@ -0,0 +1,69 @@
+// 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 "rtw8821cu.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 */
+ /*=== Customer ID ===*/
+ { USB_DEVICE(0x0bda, 0x2006),
+ .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* Totolink */
+ { USB_DEVICE(0x0bda, 0xc811),
+ .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* Simplecom NW602 */
+ {},
+};
+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@...i-kroll.de>");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless 8821cu driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821cu.h b/drivers/net/wireless/realtek/rtw88/rtw8821cu.h
new file mode 100644
index 0000000000000..bddbd96aa45fa
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821cu.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#ifndef __RTW_8821CU_H_
+#define __RTW_8821CU_H_
+
+/* USB Vendor/Product IDs */
+#define RTW_USB_VENDOR_ID_REALTEK 0x0BDA
+#define RTW_USB_PRODUCT_ID_REALTEK_8811C 0xC811
+#define RTW_USB_PRODUCT_ID_REALTEK_8821C 0xC81C
+
+extern struct rtw_chip_info rtw8821c_hw_spec;
+
+#endif
--
2.30.2
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