129 lines
2.8 KiB
C
129 lines
2.8 KiB
C
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// SPDX-License-Identifier: ISC
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/* Copyright (C) 2021 MediaTek Inc. */
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#include "mt7921.h"
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#include "mcu.h"
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int mt7921e_driver_own(struct mt7921_dev *dev)
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{
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u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
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mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
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if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
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0, 500)) {
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dev_err(dev->mt76.dev, "Timeout for driver own\n");
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return -EIO;
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}
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return 0;
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}
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static int
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mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
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int cmd, int *seq)
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{
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struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
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enum mt76_mcuq_id txq = MT_MCUQ_WM;
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int ret;
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ret = mt76_connac2_mcu_fill_message(mdev, skb, cmd, seq);
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if (ret)
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return ret;
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mdev->mcu.timeout = 3 * HZ;
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if (cmd == MCU_CMD(FW_SCATTER))
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txq = MT_MCUQ_FWDL;
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return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0);
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}
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int mt7921e_mcu_init(struct mt7921_dev *dev)
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{
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static const struct mt76_mcu_ops mt7921_mcu_ops = {
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.headroom = sizeof(struct mt76_connac2_mcu_txd),
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.mcu_skb_send_msg = mt7921_mcu_send_message,
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.mcu_parse_response = mt7921_mcu_parse_response,
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};
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int err;
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dev->mt76.mcu_ops = &mt7921_mcu_ops;
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err = mt7921e_driver_own(dev);
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if (err)
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return err;
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mt76_rmw_field(dev, MT_PCIE_MAC_PM, MT_PCIE_MAC_PM_L0S_DIS, 1);
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err = mt7921_run_firmware(dev);
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mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
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return err;
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}
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int __mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev)
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{
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int i, err = 0;
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for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
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mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN);
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if (mt76_poll_msec_tick(dev, MT_CONN_ON_LPCTL,
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PCIE_LPCR_HOST_OWN_SYNC, 0, 50, 1))
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break;
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}
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if (i == MT7921_DRV_OWN_RETRY_COUNT) {
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dev_err(dev->mt76.dev, "driver own failed\n");
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err = -EIO;
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}
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return err;
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}
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int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev)
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{
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struct mt76_phy *mphy = &dev->mt76.phy;
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struct mt76_connac_pm *pm = &dev->pm;
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int err;
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err = __mt7921e_mcu_drv_pmctrl(dev);
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if (err < 0)
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goto out;
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mt7921_wpdma_reinit_cond(dev);
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clear_bit(MT76_STATE_PM, &mphy->state);
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pm->stats.last_wake_event = jiffies;
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pm->stats.doze_time += pm->stats.last_wake_event -
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pm->stats.last_doze_event;
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out:
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return err;
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}
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int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev)
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{
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struct mt76_phy *mphy = &dev->mt76.phy;
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struct mt76_connac_pm *pm = &dev->pm;
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int i;
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for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
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mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN);
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if (mt76_poll_msec_tick(dev, MT_CONN_ON_LPCTL,
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PCIE_LPCR_HOST_OWN_SYNC, 4, 50, 1))
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break;
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}
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if (i == MT7921_DRV_OWN_RETRY_COUNT) {
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dev_err(dev->mt76.dev, "firmware own failed\n");
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clear_bit(MT76_STATE_PM, &mphy->state);
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return -EIO;
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}
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pm->stats.last_doze_event = jiffies;
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pm->stats.awake_time += pm->stats.last_doze_event -
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pm->stats.last_wake_event;
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return 0;
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}
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