[v3,08/11] rtw88: Add rtw8821cu chipset support

Message ID 20221122145226.4065843-9-s.hauer@pengutronix.de
State New
Headers
Series RTW88: Add support for USB variants |

Commit Message

Sascha Hauer Nov. 22, 2022, 2:52 p.m. UTC
  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>
---

Notes:
    Changes since v2:
    - Fix txdesc checksum calculation. The checksum must be calculated over
      a fixed number of words.

 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 +++++++++++++++++++
 .../net/wireless/realtek/rtw88/rtw8821cu.h    | 10 ++++
 6 files changed, 113 insertions(+)
 create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8821cu.c
 create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8821cu.h
  

Comments

Ping-Ke Shih Nov. 28, 2022, 2:13 a.m. UTC | #1
> -----Original Message-----
> From: Sascha Hauer <s.hauer@pengutronix.de>
> Sent: Tuesday, November 22, 2022 10:52 PM
> To: linux-wireless@vger.kernel.org
> Cc: Neo Jou <neojou@gmail.com>; Hans Ulli Kroll <linux@ulli-kroll.de>; Ping-Ke Shih <pkshih@realtek.com>;
> Yan-Hsuan Chuang <tony0620emma@gmail.com>; Kalle Valo <kvalo@kernel.org>; netdev@vger.kernel.org;
> linux-kernel@vger.kernel.org; Martin Blumenstingl <martin.blumenstingl@googlemail.com>;
> kernel@pengutronix.de; Johannes Berg <johannes@sipsolutions.net>; Alexander Hochbaum <alex@appudo.com>;
> Da Xue <da@libre.computer>; Bernie Huang <phhuang@realtek.com>; Viktor Petrenko <g0000ga@gmail.com>;
> Sascha Hauer <s.hauer@pengutronix.de>
> Subject: [PATCH v3 08/11] 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>
> ---
> 
> Notes:
>     Changes since v2:
>     - Fix txdesc checksum calculation. The checksum must be calculated over
>       a fixed number of words.
> 
>  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 +++++++++++++++++++
>  .../net/wireless/realtek/rtw88/rtw8821cu.h    | 10 ++++
>  6 files changed, 113 insertions(+)
>  create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8821cu.c
>  create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8821cu.h
> 

[...]

> --- /dev/null
> +++ b/drivers/net/wireless/realtek/rtw88/rtw8821cu.h
> @@ -0,0 +1,10 @@
> +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
> +/* Copyright(c) 2018-2019  Realtek Corporation
> + */
> +
> +#ifndef __RTW_8821CU_H_
> +#define __RTW_8821CU_H_
> +
> +extern struct rtw_chip_info rtw8821c_hw_spec;

This has been moved to rtw8821c.h by
89d8f53ff6e ("wifi: rtw88: Fix Sparse warning for rtw8821c_hw_spec")

So, we don't need rtw8821cu.h anymore. 
Please apply this rule to other chips.

> +
> +#endif
> --
> 2.30.2
  

Patch

diff --git a/drivers/net/wireless/realtek/rtw88/Kconfig b/drivers/net/wireless/realtek/rtw88/Kconfig
index 1624c5db69bac..2b500dbefbc2d 100644
--- a/drivers/net/wireless/realtek/rtw88/Kconfig
+++ b/drivers/net/wireless/realtek/rtw88/Kconfig
@@ -75,6 +75,17 @@  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 9e095f8181483..3c1f08f12e44e 100644
--- a/drivers/net/wireless/realtek/rtw88/Makefile
+++ b/drivers/net/wireless/realtek/rtw88/Makefile
@@ -44,6 +44,9 @@  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 9afdc5ce86b43..17f800f6efbd0 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;
@@ -1148,6 +1157,13 @@  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)
+{
+	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_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[] = {
@@ -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,
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.h b/drivers/net/wireless/realtek/rtw88/rtw8821c.h
index 2698801fc35d5..1c81260f3a542 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..f43e200515f5b
--- /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 "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 */
+	{ 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");
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821cu.h b/drivers/net/wireless/realtek/rtw88/rtw8821cu.h
new file mode 100644
index 0000000000000..c896792240011
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821cu.h
@@ -0,0 +1,10 @@ 
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2018-2019  Realtek Corporation
+ */
+
+#ifndef __RTW_8821CU_H_
+#define __RTW_8821CU_H_
+
+extern struct rtw_chip_info rtw8821c_hw_spec;
+
+#endif