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// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2019 MediaTek Inc.
*
* Author: Felix Fietkau <nbd@nbd.name>
* Lorenzo Bianconi <lorenzo@kernel.org>
* Sean Wang <sean.wang@mediatek.com>
*/
#include <linux/kernel.h>
#include <linux/module.h>
#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, bool wait_resp)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
int ret, seq, ep;
mutex_lock(&mdev->mcu.mutex);
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;
put_unaligned_le32(skb->len, skb_push(skb, sizeof(skb->len)));
ret = mt76_skb_adjust_pad(skb);
if (ret < 0)
goto out;
ret = mt76u_bulk_msg(&dev->mt76, skb->data, skb->len, NULL,
1000, ep);
if (ret < 0)
goto out;
if (wait_resp)
ret = mt7615_mcu_wait_response(dev, cmd, seq);
out:
mutex_unlock(&mdev->mcu.mutex);
dev_kfree_skb(skb);
return ret;
}
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_send_msg = mt7615_mcu_msg_send,
.mcu_restart = mt7615_mcu_restart,
};
int ret;
dev->mt76.mcu_ops = &mt7663u_mcu_ops,
/* usb does not support runtime-pm */
clear_bit(MT76_STATE_PM, &dev->mphy.state);
mt76_set(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
if (test_and_clear_bit(MT76_STATE_POWER_OFF, &dev->mphy.state)) {
mt7615_mcu_restart(&dev->mt76);
if (!mt76_poll_msec(dev, MT_CONN_ON_MISC,
MT_TOP_MISC2_FW_PWR_ON, 0, 500))
return -EIO;
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");
return -EIO;
}
}
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;
}
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