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8a4ce69eea
Backport support for RTL8812AU/RTL8821AU USB adapters
Manually backported patch:
045-v6.13-wifi-rtw88-Enable-the-new-RTL8821AU-RTL8812AU-driver
Patches from 046 to 051 are pending.
Signed-off-by: Marty Jones <mj8263788@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/17079
[Move BPAUTO_WANT_DEV_COREDUMP to original patch]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 36f6d6ddcd)
70 lines
2.2 KiB
Diff
70 lines
2.2 KiB
Diff
From 213dfa630285bb0241f3eaeb778db8ff128f10ba Mon Sep 17 00:00:00 2001
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From: Bitterblue Smith <rtl8821cerfe2@gmail.com>
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Date: Fri, 8 Nov 2024 01:41:08 +0200
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Subject: [PATCH 3/6] wifi: rtw88: usb: Support USB 3 with RTL8812AU
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Add the function to automatically switch the RTL8812AU into USB 3 mode.
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Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
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---
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drivers/net/wireless/realtek/rtw88/usb.c | 34 ++++++++++++++++++++++--
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1 file changed, 32 insertions(+), 2 deletions(-)
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--- a/drivers/net/wireless/realtek/rtw88/usb.c
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+++ b/drivers/net/wireless/realtek/rtw88/usb.c
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@@ -929,6 +929,32 @@ static void rtw_usb_intf_deinit(struct r
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usb_set_intfdata(intf, NULL);
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}
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+static int rtw_usb_switch_mode_old(struct rtw_dev *rtwdev)
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+{
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+ struct rtw_usb *rtwusb = rtw_get_usb_priv(rtwdev);
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+ enum usb_device_speed cur_speed = rtwusb->udev->speed;
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+ u8 hci_opt;
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+
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+ if (cur_speed == USB_SPEED_HIGH) {
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+ hci_opt = rtw_read8(rtwdev, REG_HCI_OPT_CTRL);
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+
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+ if ((hci_opt & (BIT(2) | BIT(3))) != BIT(3)) {
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+ rtw_write8(rtwdev, REG_HCI_OPT_CTRL, 0x8);
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+ rtw_write8(rtwdev, REG_SYS_SDIO_CTRL, 0x2);
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+ rtw_write8(rtwdev, REG_ACLK_MON, 0x1);
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+ rtw_write8(rtwdev, 0x3d, 0x3);
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+ /* usb disconnect */
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+ rtw_write8(rtwdev, REG_SYS_PW_CTRL + 1, 0x80);
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+ return 1;
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+ }
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+ } else if (cur_speed == USB_SPEED_SUPER) {
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+ rtw_write8_clr(rtwdev, REG_SYS_SDIO_CTRL, BIT(1));
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+ rtw_write8_clr(rtwdev, REG_ACLK_MON, BIT(0));
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+ }
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+
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+ return 0;
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+}
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+
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static int rtw_usb_switch_mode_new(struct rtw_dev *rtwdev)
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{
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enum usb_device_speed cur_speed;
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@@ -982,7 +1008,8 @@ static int rtw_usb_switch_mode(struct rt
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{
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u8 id = rtwdev->chip->id;
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- if (id != RTW_CHIP_TYPE_8822C && id != RTW_CHIP_TYPE_8822B)
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+ if (id != RTW_CHIP_TYPE_8822C && id != RTW_CHIP_TYPE_8822B &&
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+ id != RTW_CHIP_TYPE_8812A)
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return 0;
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if (!rtwdev->efuse.usb_mode_switch) {
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@@ -997,7 +1024,10 @@ static int rtw_usb_switch_mode(struct rt
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return 0;
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}
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- return rtw_usb_switch_mode_new(rtwdev);
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+ if (id == RTW_CHIP_TYPE_8812A)
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+ return rtw_usb_switch_mode_old(rtwdev);
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+ else /* RTL8822CU, RTL8822BU */
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+ return rtw_usb_switch_mode_new(rtwdev);
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}
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int rtw_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
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