| developer | 0f312e8 | 2022-11-01 12:31:52 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* Copyright (C) 2019 MediaTek Inc. |
| 3 | * |
| 4 | * Author: Felix Fietkau <nbd@nbd.name> |
| 5 | * Lorenzo Bianconi <lorenzo@kernel.org> |
| 6 | * Sean Wang <sean.wang@mediatek.com> |
| 7 | */ |
| 8 | #include <linux/kernel.h> |
| 9 | #include <linux/module.h> |
| 10 | |
| 11 | #include "mt7615.h" |
| 12 | #include "mac.h" |
| 13 | #include "mcu.h" |
| 14 | #include "regs.h" |
| 15 | |
| 16 | static int |
| 17 | mt7663u_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb, |
| 18 | int cmd, int *seq) |
| 19 | { |
| 20 | struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); |
| 21 | int ret, ep, len, pad; |
| 22 | |
| 23 | mt7615_mcu_fill_msg(dev, skb, cmd, seq); |
| 24 | if (cmd != MCU_CMD(FW_SCATTER)) |
| 25 | ep = MT_EP_OUT_INBAND_CMD; |
| 26 | else |
| 27 | ep = MT_EP_OUT_AC_BE; |
| 28 | |
| 29 | len = skb->len; |
| 30 | put_unaligned_le32(len, skb_push(skb, sizeof(len))); |
| 31 | pad = round_up(skb->len, 4) + 4 - skb->len; |
| 32 | ret = mt76_skb_adjust_pad(skb, pad); |
| 33 | if (ret < 0) |
| 34 | goto out; |
| 35 | |
| 36 | ret = mt76u_bulk_msg(&dev->mt76, skb->data, skb->len, NULL, |
| 37 | 1000, ep); |
| 38 | |
| 39 | out: |
| 40 | dev_kfree_skb(skb); |
| 41 | |
| 42 | return ret; |
| 43 | } |
| 44 | |
| 45 | int mt7663u_mcu_power_on(struct mt7615_dev *dev) |
| 46 | { |
| 47 | int ret; |
| 48 | |
| 49 | ret = mt76u_vendor_request(&dev->mt76, MT_VEND_POWER_ON, |
| 50 | USB_DIR_OUT | USB_TYPE_VENDOR, |
| 51 | 0x0, 0x1, NULL, 0); |
| 52 | if (ret) |
| 53 | return ret; |
| 54 | |
| 55 | if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, |
| 56 | MT_TOP_MISC2_FW_PWR_ON, |
| 57 | FW_STATE_PWR_ON << 1, 500)) { |
| 58 | dev_err(dev->mt76.dev, "Timeout for power on\n"); |
| 59 | ret = -EIO; |
| 60 | } |
| 61 | |
| 62 | return 0; |
| 63 | } |
| 64 | |
| 65 | int mt7663u_mcu_init(struct mt7615_dev *dev) |
| 66 | { |
| 67 | static const struct mt76_mcu_ops mt7663u_mcu_ops = { |
| 68 | .headroom = MT_USB_HDR_SIZE + sizeof(struct mt7615_mcu_txd), |
| 69 | .tailroom = MT_USB_TAIL_SIZE, |
| 70 | .mcu_skb_send_msg = mt7663u_mcu_send_message, |
| 71 | .mcu_parse_response = mt7615_mcu_parse_response, |
| 72 | .mcu_restart = mt7615_mcu_restart, |
| 73 | }; |
| 74 | int ret; |
| 75 | |
| 76 | dev->mt76.mcu_ops = &mt7663u_mcu_ops, |
| 77 | |
| 78 | mt76_set(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN); |
| 79 | if (test_and_clear_bit(MT76_STATE_POWER_OFF, &dev->mphy.state)) { |
| 80 | ret = mt7615_mcu_restart(&dev->mt76); |
| 81 | if (ret) |
| 82 | return ret; |
| 83 | |
| 84 | if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, |
| 85 | MT_TOP_MISC2_FW_PWR_ON, 0, 500)) |
| 86 | return -EIO; |
| 87 | |
| 88 | ret = mt7663u_mcu_power_on(dev); |
| 89 | if (ret) |
| 90 | return ret; |
| 91 | } |
| 92 | |
| 93 | ret = __mt7663_load_firmware(dev); |
| 94 | if (ret) |
| 95 | return ret; |
| 96 | |
| 97 | mt76_clear(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN); |
| 98 | set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); |
| 99 | |
| 100 | return 0; |
| 101 | } |