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// SPDX-License-Identifier: ISC
/* Copyright (C) 2021 MediaTek Inc. */
#include "mt7921.h"
#include "mcu.h"
int mt7921e_driver_own(struct mt7921_dev *dev)
{
u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
0, 500)) {
dev_err(dev->mt76.dev, "Timeout for driver own\n");
return -EIO;
}
return 0;
}
static int
mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
int cmd, int *seq)
{
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
enum mt76_mcuq_id txq = MT_MCUQ_WM;
int ret;
ret = mt76_connac2_mcu_fill_message(mdev, skb, cmd, seq);
if (ret)
return ret;
mdev->mcu.timeout = 3 * HZ;
if (cmd == MCU_CMD(FW_SCATTER))
txq = MT_MCUQ_FWDL;
return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0);
}
int mt7921e_mcu_init(struct mt7921_dev *dev)
{
static const struct mt76_mcu_ops mt7921_mcu_ops = {
.headroom = sizeof(struct mt76_connac2_mcu_txd),
.mcu_skb_send_msg = mt7921_mcu_send_message,
.mcu_parse_response = mt7921_mcu_parse_response,
.mcu_restart = mt76_connac_mcu_restart,
};
int err;
dev->mt76.mcu_ops = &mt7921_mcu_ops;
err = mt7921e_driver_own(dev);
if (err)
return err;
mt76_rmw_field(dev, MT_PCIE_MAC_PM, MT_PCIE_MAC_PM_L0S_DIS, 1);
err = mt7921_run_firmware(dev);
mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
return err;
}
int __mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev)
{
int i, err = 0;
for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN);
if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
PCIE_LPCR_HOST_OWN_SYNC, 0, 50))
break;
}
if (i == MT7921_DRV_OWN_RETRY_COUNT) {
dev_err(dev->mt76.dev, "driver own failed\n");
err = -EIO;
}
return err;
}
int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt76_connac_pm *pm = &dev->pm;
int err;
err = __mt7921e_mcu_drv_pmctrl(dev);
if (err < 0)
goto out;
mt7921_wpdma_reinit_cond(dev);
clear_bit(MT76_STATE_PM, &mphy->state);
pm->stats.last_wake_event = jiffies;
pm->stats.doze_time += pm->stats.last_wake_event -
pm->stats.last_doze_event;
out:
return err;
}
int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt76_connac_pm *pm = &dev->pm;
int i;
for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN);
if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
PCIE_LPCR_HOST_OWN_SYNC, 4, 50))
break;
}
if (i == MT7921_DRV_OWN_RETRY_COUNT) {
dev_err(dev->mt76.dev, "firmware own failed\n");
clear_bit(MT76_STATE_PM, &mphy->state);
return -EIO;
}
pm->stats.last_doze_event = jiffies;
pm->stats.awake_time += pm->stats.last_doze_event -
pm->stats.last_wake_event;
return 0;
}
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