From patchwork Tue Nov 29 10:07:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 13058398 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51835C4332F for ; Tue, 29 Nov 2022 10:08:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232171AbiK2KIM (ORCPT ); Tue, 29 Nov 2022 05:08:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232105AbiK2KIK (ORCPT ); Tue, 29 Nov 2022 05:08:10 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 419F215A0A for ; Tue, 29 Nov 2022 02:08:09 -0800 (PST) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ozxX1-0006yB-N6; Tue, 29 Nov 2022 11:08:03 +0100 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1ozxWy-0012i3-Fn; Tue, 29 Nov 2022 11:08:01 +0100 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1ozxWx-00BYH9-Ix; Tue, 29 Nov 2022 11:07:59 +0100 From: Sascha Hauer To: linux-wireless@vger.kernel.org Cc: Neo Jou , Hans Ulli Kroll , Ping-Ke Shih , Yan-Hsuan Chuang , Kalle Valo , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Martin Blumenstingl , kernel@pengutronix.de, Johannes Berg , Alexander Hochbaum , Da Xue , Po-Hao Huang , Viktor Petrenko , Sascha Hauer Subject: [PATCH v4 08/11] wifi: rtw88: Add rtw8821cu chipset support Date: Tue, 29 Nov 2022 11:07:51 +0100 Message-Id: <20221129100754.2753237-9-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221129100754.2753237-1-s.hauer@pengutronix.de> References: <20221129100754.2753237-1-s.hauer@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: netdev@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Add support for the rtw8821cu chipset based on https://github.com/ulli-kroll/rtw88-usb.git Signed-off-by: Sascha Hauer --- Notes: Changes since v3: - drop unnecessary rtw8821cu.h 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 +++++++++++++++++++ 5 files changed, 103 insertions(+) create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8821cu.c 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 2c2b0e5133cdf..552661a638def 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 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..7a5cbdc31ef79 --- /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 +#include +#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 "); +MODULE_DESCRIPTION("Realtek 802.11ac wireless 8821cu driver"); +MODULE_LICENSE("Dual BSD/GPL");