Add support for the rtw8723du chipset based on https://github.com/ulli-kroll/rtw88-usb.git Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- Notes: Changes since v2: - Re-add this patch, tested on hardware now Changes since v1: - Fix txdesc checksum calculation: Unlike other chips this one needs a chksum = ~chksum at the end - Fix efuse layout (struct rtw8723de_efuse and struct rtw8723du_efuse need to be in a union as they are used alternatively) drivers/net/wireless/realtek/rtw88/Kconfig | 11 ++++++ drivers/net/wireless/realtek/rtw88/Makefile | 3 ++ drivers/net/wireless/realtek/rtw88/rtw8723d.c | 28 +++++++++++++++ drivers/net/wireless/realtek/rtw88/rtw8723d.h | 13 ++++++- .../net/wireless/realtek/rtw88/rtw8723du.c | 36 +++++++++++++++++++ .../net/wireless/realtek/rtw88/rtw8723du.h | 10 ++++++ 6 files changed, 100 insertions(+), 1 deletion(-) create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8723du.c create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8723du.h diff --git a/drivers/net/wireless/realtek/rtw88/Kconfig b/drivers/net/wireless/realtek/rtw88/Kconfig index 138289bc5ad0c..651ab56d9c6bd 100644 --- a/drivers/net/wireless/realtek/rtw88/Kconfig +++ b/drivers/net/wireless/realtek/rtw88/Kconfig @@ -86,6 +86,17 @@ config RTW88_8723DE 802.11n PCIe wireless network adapter +config RTW88_8723DU + tristate "Realtek 8723DU USB wireless network adapter" + depends on USB + select RTW88_CORE + select RTW88_USB + select RTW88_8723D + help + Select this option will enable support for 8723DU chipset + + 802.11n USB wireless network adapter + config RTW88_8821CE tristate "Realtek 8821CE PCI wireless network adapter" depends on PCI diff --git a/drivers/net/wireless/realtek/rtw88/Makefile b/drivers/net/wireless/realtek/rtw88/Makefile index 06883d7323b05..e0950dbc2565a 100644 --- a/drivers/net/wireless/realtek/rtw88/Makefile +++ b/drivers/net/wireless/realtek/rtw88/Makefile @@ -44,6 +44,9 @@ rtw88_8723d-objs := rtw8723d.o rtw8723d_table.o obj-$(CONFIG_RTW88_8723DE) += rtw88_8723de.o rtw88_8723de-objs := rtw8723de.o +obj-$(CONFIG_RTW88_8723DU) += rtw88_8723du.o +rtw88_8723du-objs := rtw8723du.o + obj-$(CONFIG_RTW88_8821C) += rtw88_8821c.o rtw88_8821c-objs := rtw8821c.o rtw8821c_table.o diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.c b/drivers/net/wireless/realtek/rtw88/rtw8723d.c index 0a4f770fcbb7e..2d2f768bae2ea 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8723d.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.c @@ -210,6 +210,12 @@ static void rtw8723de_efuse_parsing(struct rtw_efuse *efuse, ether_addr_copy(efuse->addr, map->e.mac_addr); } +static void rtw8723du_efuse_parsing(struct rtw_efuse *efuse, + struct rtw8723d_efuse *map) +{ + ether_addr_copy(efuse->addr, map->u.mac_addr); +} + static int rtw8723d_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) { struct rtw_efuse *efuse = &rtwdev->efuse; @@ -239,6 +245,9 @@ static int rtw8723d_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) case RTW_HCI_TYPE_PCIE: rtw8723de_efuse_parsing(efuse, map); break; + case RTW_HCI_TYPE_USB: + rtw8723du_efuse_parsing(efuse, map); + break; default: /* unsupported now */ return -ENOTSUPP; @@ -1945,6 +1954,24 @@ static void rtw8723d_pwr_track(struct rtw_dev *rtwdev) dm_info->pwr_trk_triggered = false; } +static void rtw8723d_fill_txdesc_checksum(struct rtw_dev *rtwdev, + struct rtw_tx_pkt_info *pkt_info, + u8 *txdesc) +{ + size_t words = 32 / 2; /* calculate the first 32 bytes (16 words) */ + __le16 chksum = 0; + __le16 *data = (__le16 *)(txdesc); + + SET_TX_DESC_TXDESC_CHECKSUM(txdesc, 0x0000); + + while (words--) + chksum ^= *data++; + + chksum = ~chksum; + + SET_TX_DESC_TXDESC_CHECKSUM(txdesc, __le16_to_cpu(chksum)); +} + static struct rtw_chip_ops rtw8723d_ops = { .phy_set_param = rtw8723d_phy_set_param, .read_efuse = rtw8723d_read_efuse, @@ -1965,6 +1992,7 @@ static struct rtw_chip_ops rtw8723d_ops = { .config_bfee = NULL, .set_gid_table = NULL, .cfg_csi_rate = NULL, + .fill_txdesc_checksum = rtw8723d_fill_txdesc_checksum, .coex_set_init = rtw8723d_coex_cfg_init, .coex_set_ant_switch = NULL, diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.h b/drivers/net/wireless/realtek/rtw88/rtw8723d.h index 4641f6e047b41..a356318a5c15b 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8723d.h +++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.h @@ -41,6 +41,14 @@ struct rtw8723de_efuse { u8 sub_device_id[2]; }; +struct rtw8723du_efuse { + u8 res4[48]; /* 0xd0 */ + u8 vender_id[2]; /* 0x100 */ + u8 product_id[2]; /* 0x102 */ + u8 usb_option; /* 0x104 */ + u8 mac_addr[ETH_ALEN]; /* 0x107 */ +}; + struct rtw8723d_efuse { __le16 rtl_id; u8 rsvd[2]; @@ -69,7 +77,10 @@ struct rtw8723d_efuse { u8 rfe_option; u8 country_code[2]; u8 res[3]; - struct rtw8723de_efuse e; + union { + struct rtw8723de_efuse e; + struct rtw8723du_efuse u; + }; }; extern const struct rtw_chip_info rtw8723d_hw_spec; diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723du.c b/drivers/net/wireless/realtek/rtw88/rtw8723du.c new file mode 100644 index 0000000000000..d2c8a114d19af --- /dev/null +++ b/drivers/net/wireless/realtek/rtw88/rtw8723du.c @@ -0,0 +1,36 @@ +// 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 "rtw8723du.h" +#include "usb.h" + +static const struct usb_device_id rtw_8723du_id_table[] = { + { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, + 0xD723, + 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&(rtw8723d_hw_spec) }, /* 8723DU 1*1 */ + { }, +}; +MODULE_DEVICE_TABLE(usb, rtw_8723du_id_table); + +static int rtw8723du_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return rtw_usb_probe(intf, id); +} + +static struct usb_driver rtw_8723du_driver = { + .name = "rtw_8723du", + .id_table = rtw_8723du_id_table, + .probe = rtw8723du_probe, + .disconnect = rtw_usb_disconnect, +}; +module_usb_driver(rtw_8723du_driver); + +MODULE_AUTHOR("Hans Ulli Kroll <linux@xxxxxxxxxxxxx>"); +MODULE_DESCRIPTION("Realtek 802.11n wireless 8723du driver"); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723du.h b/drivers/net/wireless/realtek/rtw88/rtw8723du.h new file mode 100644 index 0000000000000..c0ffd621f087d --- /dev/null +++ b/drivers/net/wireless/realtek/rtw88/rtw8723du.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* Copyright(c) 2018-2019 Realtek Corporation + */ + +#ifndef __RTW_8723DU_H_ +#define __RTW_8723DU_H_ + +extern struct rtw_chip_info rtw8723d_hw_spec; + +#endif -- 2.30.2
