Commit a82dfd33 authored by Sascha Hauer's avatar Sascha Hauer Committed by Kalle Valo
Browse files

wifi: rtw88: Add common USB chip support 

Add the common bits and pieces to add USB support to the RTW88 driver.
This is based on https://github.com/ulli-kroll/rtw88-usb.git

 which
itself is first written by Neo Jou.

Signed-off-by: default avatarneo_jou <neo_jou@realtek.com>
Signed-off-by: default avatarHans Ulli Kroll <linux@ulli-kroll.de>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: default avatarKalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221202081224.2779981-8-s.hauer@pengutronix.de
parent 78d5bf92

drivers/net/wireless/realtek/rtw88/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -16,6 +16,9 @@ config RTW88_CORE 
config RTW88_PCI

	tristate



config RTW88_USB

	tristate



config RTW88_8822B

	tristate

drivers/net/wireless/realtek/rtw88/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -46,3 +46,6 @@ rtw88_8821ce-objs := rtw8821ce.o 


obj-$(CONFIG_RTW88_PCI)		+= rtw88_pci.o

rtw88_pci-objs			:= pci.o



obj-$(CONFIG_RTW88_USB)		+= rtw88_usb.o

rtw88_usb-objs			:= usb.o

drivers/net/wireless/realtek/rtw88/mac.c

+3 −0
Original line number Diff line number Diff line
@@ -1048,6 +1048,9 @@ static int txdma_queue_mapping(struct rtw_dev *rtwdev) 
	if (rtw_chip_wcpu_11ac(rtwdev))

		rtw_write32(rtwdev, REG_H2CQ_CSR, BIT_H2CQ_FULL);



	if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_USB)

		rtw_write8_set(rtwdev, REG_TXDMA_PQ_MAP, BIT_RXDMA_ARBBW_EN);



	return 0;

}

drivers/net/wireless/realtek/rtw88/main.c

+4 −0
Original line number Diff line number Diff line
@@ -1783,6 +1783,10 @@ static int rtw_chip_parameter_setup(struct rtw_dev *rtwdev) 
		rtwdev->hci.rpwm_addr = 0x03d9;

		rtwdev->hci.cpwm_addr = 0x03da;

		break;

	case RTW_HCI_TYPE_USB:

		rtwdev->hci.rpwm_addr = 0xfe58;

		rtwdev->hci.cpwm_addr = 0xfe57;

		break;

	default:

		rtw_err(rtwdev, "unsupported hci type\n");

		return -EINVAL;

drivers/net/wireless/realtek/rtw88/main.h

+4 −0
Original line number Diff line number Diff line
@@ -871,6 +871,10 @@ struct rtw_chip_ops { 
			       bool is_tx2_path);

	void (*config_txrx_mode)(struct rtw_dev *rtwdev, u8 tx_path,

				 u8 rx_path, bool is_tx2_path);

	/* for USB/SDIO only */

	void (*fill_txdesc_checksum)(struct rtw_dev *rtwdev,

				     struct rtw_tx_pkt_info *pkt_info,

				     u8 *txdesc);



	/* for coex */

	void (*coex_set_init)(struct rtw_dev *rtwdev);