// SPDX-License-Identifier: GPL-2.0
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/* Copyright (C) 2019 MediaTek Inc.
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*
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* Author: Felix Fietkau <nbd@nbd.name>
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* Lorenzo Bianconi <lorenzo@kernel.org>
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* Sean Wang <sean.wang@mediatek.com>
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include "mt7615.h"
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#include "mac.h"
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#include "mcu.h"
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#include "regs.h"
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static int
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mt7663u_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
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int cmd, bool wait_resp)
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{
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struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
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int ret, seq, ep, len, pad;
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mutex_lock(&mdev->mcu.mutex);
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mt7615_mcu_fill_msg(dev, skb, cmd, &seq);
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if (cmd != MCU_CMD_FW_SCATTER)
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ep = MT_EP_OUT_INBAND_CMD;
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else
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ep = MT_EP_OUT_AC_BE;
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len = skb->len;
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put_unaligned_le32(len, skb_push(skb, sizeof(len)));
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pad = round_up(skb->len, 4) + 4 - skb->len;
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ret = mt76_skb_adjust_pad(skb, pad);
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if (ret < 0)
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goto out;
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ret = mt76u_bulk_msg(&dev->mt76, skb->data, skb->len, NULL,
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1000, ep);
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if (ret < 0)
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goto out;
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if (wait_resp)
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ret = mt7615_mcu_wait_response(dev, cmd, seq);
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out:
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mutex_unlock(&mdev->mcu.mutex);
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dev_kfree_skb(skb);
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return ret;
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}
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int mt7663u_mcu_init(struct mt7615_dev *dev)
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{
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static const struct mt76_mcu_ops mt7663u_mcu_ops = {
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.headroom = MT_USB_HDR_SIZE + sizeof(struct mt7615_mcu_txd),
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.tailroom = MT_USB_TAIL_SIZE,
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.mcu_skb_send_msg = mt7663u_mcu_send_message,
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.mcu_send_msg = mt7615_mcu_msg_send,
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.mcu_restart = mt7615_mcu_restart,
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};
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int ret;
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dev->mt76.mcu_ops = &mt7663u_mcu_ops,
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/* usb does not support runtime-pm */
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clear_bit(MT76_STATE_PM, &dev->mphy.state);
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mt76_set(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
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if (test_and_clear_bit(MT76_STATE_POWER_OFF, &dev->mphy.state)) {
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mt7615_mcu_restart(&dev->mt76);
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if (!mt76_poll_msec(dev, MT_CONN_ON_MISC,
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MT_TOP_MISC2_FW_PWR_ON, 0, 500))
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return -EIO;
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ret = mt76u_vendor_request(&dev->mt76, MT_VEND_POWER_ON,
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USB_DIR_OUT | USB_TYPE_VENDOR,
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0x0, 0x1, NULL, 0);
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if (ret)
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return ret;
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if (!mt76_poll_msec(dev, MT_CONN_ON_MISC,
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MT_TOP_MISC2_FW_PWR_ON,
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FW_STATE_PWR_ON << 1, 500)) {
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dev_err(dev->mt76.dev, "Timeout for power on\n");
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return -EIO;
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}
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}
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ret = __mt7663_load_firmware(dev);
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if (ret)
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return ret;
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mt76_clear(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
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set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
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return 0;
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}
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