// 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, 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_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, /* 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; }