From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- .../net/wireless/mediatek/mt76/mt7615/usb_mcu.c | 101 +++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c') diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c new file mode 100644 index 000000000..98bf2f6ae --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c @@ -0,0 +1,101 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (C) 2019 MediaTek Inc. + * + * Author: Felix Fietkau + * Lorenzo Bianconi + * Sean Wang + */ +#include +#include + +#include "mt7615.h" +#include "mac.h" +#include "mcu.h" +#include "regs.h" + +static int +mt7663u_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb, + int cmd, int *seq) +{ + struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); + int ret, ep, len, pad; + + mt7615_mcu_fill_msg(dev, skb, cmd, seq); + if (cmd != MCU_CMD(FW_SCATTER)) + ep = MT_EP_OUT_INBAND_CMD; + else + ep = MT_EP_OUT_AC_BE; + + len = skb->len; + put_unaligned_le32(len, skb_push(skb, sizeof(len))); + pad = round_up(skb->len, 4) + 4 - skb->len; + ret = mt76_skb_adjust_pad(skb, pad); + if (ret < 0) + goto out; + + ret = mt76u_bulk_msg(&dev->mt76, skb->data, skb->len, NULL, + 1000, ep); + +out: + dev_kfree_skb(skb); + + return ret; +} + +int mt7663u_mcu_power_on(struct mt7615_dev *dev) +{ + int ret; + + ret = mt76u_vendor_request(&dev->mt76, MT_VEND_POWER_ON, + USB_DIR_OUT | USB_TYPE_VENDOR, + 0x0, 0x1, NULL, 0); + if (ret) + return ret; + + if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, + MT_TOP_MISC2_FW_PWR_ON, + FW_STATE_PWR_ON << 1, 500)) { + dev_err(dev->mt76.dev, "Timeout for power on\n"); + ret = -EIO; + } + + return 0; +} + +int mt7663u_mcu_init(struct mt7615_dev *dev) +{ + static const struct mt76_mcu_ops mt7663u_mcu_ops = { + .headroom = MT_USB_HDR_SIZE + sizeof(struct mt7615_mcu_txd), + .tailroom = MT_USB_TAIL_SIZE, + .mcu_skb_send_msg = mt7663u_mcu_send_message, + .mcu_parse_response = mt7615_mcu_parse_response, + .mcu_restart = mt7615_mcu_restart, + }; + int ret; + + dev->mt76.mcu_ops = &mt7663u_mcu_ops, + + mt76_set(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN); + if (test_and_clear_bit(MT76_STATE_POWER_OFF, &dev->mphy.state)) { + ret = mt7615_mcu_restart(&dev->mt76); + if (ret) + return ret; + + if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, + MT_TOP_MISC2_FW_PWR_ON, 0, 500)) + return -EIO; + + ret = mt7663u_mcu_power_on(dev); + if (ret) + return ret; + } + + ret = __mt7663_load_firmware(dev); + if (ret) + return ret; + + mt76_clear(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN); + set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); + + return 0; +} -- cgit v1.2.3