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1// SPDX-License-Identifier: ISC
2/* Copyright (C) 2021 MediaTek Inc. */
3
4#include "mt7921.h"
5#include "mcu.h"
6
7int mt7921e_driver_own(struct mt792x_dev *dev)
8{
9 u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
10
11 mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
12 if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
13 0, 500)) {
14 dev_err(dev->mt76.dev, "Timeout for driver own\n");
15 return -EIO;
16 }
17
18 return 0;
19}
20
21static int
22mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
23 int cmd, int *seq)
24{
25 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
26 enum mt76_mcuq_id txq = MT_MCUQ_WM;
27 int ret;
28
29 ret = mt76_connac2_mcu_fill_message(mdev, skb, cmd, seq);
30 if (ret)
31 return ret;
32
33 mdev->mcu.timeout = 3 * HZ;
34
35 if (cmd == MCU_CMD(FW_SCATTER))
36 txq = MT_MCUQ_FWDL;
37
38 return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0);
39}
40
41int mt7921e_mcu_init(struct mt792x_dev *dev)
42{
43 static const struct mt76_mcu_ops mt7921_mcu_ops = {
44 .headroom = sizeof(struct mt76_connac2_mcu_txd),
45 .mcu_skb_send_msg = mt7921_mcu_send_message,
46 .mcu_parse_response = mt7921_mcu_parse_response,
47 };
48 int err;
49
50 dev->mt76.mcu_ops = &mt7921_mcu_ops;
51
52 err = mt7921e_driver_own(dev);
53 if (err)
54 return err;
55
56 mt76_rmw_field(dev, MT_PCIE_MAC_PM, MT_PCIE_MAC_PM_L0S_DIS, 1);
57
58 err = mt7921_run_firmware(dev);
59
60 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
61
62 return err;
63}
1// SPDX-License-Identifier: ISC
2/* Copyright (C) 2021 MediaTek Inc. */
3
4#include "mt7921.h"
5#include "mcu.h"
6
7int mt7921e_driver_own(struct mt7921_dev *dev)
8{
9 u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
10
11 mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
12 if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
13 0, 500)) {
14 dev_err(dev->mt76.dev, "Timeout for driver own\n");
15 return -EIO;
16 }
17
18 return 0;
19}
20
21static int
22mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
23 int cmd, int *seq)
24{
25 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
26 enum mt76_mcuq_id txq = MT_MCUQ_WM;
27 int ret;
28
29 ret = mt76_connac2_mcu_fill_message(mdev, skb, cmd, seq);
30 if (ret)
31 return ret;
32
33 mdev->mcu.timeout = 3 * HZ;
34
35 if (cmd == MCU_CMD(FW_SCATTER))
36 txq = MT_MCUQ_FWDL;
37
38 return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0);
39}
40
41int mt7921e_mcu_init(struct mt7921_dev *dev)
42{
43 static const struct mt76_mcu_ops mt7921_mcu_ops = {
44 .headroom = sizeof(struct mt76_connac2_mcu_txd),
45 .mcu_skb_send_msg = mt7921_mcu_send_message,
46 .mcu_parse_response = mt7921_mcu_parse_response,
47 .mcu_restart = mt76_connac_mcu_restart,
48 };
49 int err;
50
51 dev->mt76.mcu_ops = &mt7921_mcu_ops;
52
53 err = mt7921e_driver_own(dev);
54 if (err)
55 return err;
56
57 mt76_rmw_field(dev, MT_PCIE_MAC_PM, MT_PCIE_MAC_PM_L0S_DIS, 1);
58
59 err = mt7921_run_firmware(dev);
60
61 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
62
63 return err;
64}
65
66int __mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev)
67{
68 int i, err = 0;
69
70 for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
71 mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN);
72 if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
73 PCIE_LPCR_HOST_OWN_SYNC, 0, 50))
74 break;
75 }
76
77 if (i == MT7921_DRV_OWN_RETRY_COUNT) {
78 dev_err(dev->mt76.dev, "driver own failed\n");
79 err = -EIO;
80 }
81
82 return err;
83}
84
85int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev)
86{
87 struct mt76_phy *mphy = &dev->mt76.phy;
88 struct mt76_connac_pm *pm = &dev->pm;
89 int err;
90
91 err = __mt7921e_mcu_drv_pmctrl(dev);
92 if (err < 0)
93 goto out;
94
95 mt7921_wpdma_reinit_cond(dev);
96 clear_bit(MT76_STATE_PM, &mphy->state);
97
98 pm->stats.last_wake_event = jiffies;
99 pm->stats.doze_time += pm->stats.last_wake_event -
100 pm->stats.last_doze_event;
101out:
102 return err;
103}
104
105int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev)
106{
107 struct mt76_phy *mphy = &dev->mt76.phy;
108 struct mt76_connac_pm *pm = &dev->pm;
109 int i;
110
111 for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
112 mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN);
113 if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
114 PCIE_LPCR_HOST_OWN_SYNC, 4, 50))
115 break;
116 }
117
118 if (i == MT7921_DRV_OWN_RETRY_COUNT) {
119 dev_err(dev->mt76.dev, "firmware own failed\n");
120 clear_bit(MT76_STATE_PM, &mphy->state);
121 return -EIO;
122 }
123
124 pm->stats.last_doze_event = jiffies;
125 pm->stats.awake_time += pm->stats.last_doze_event -
126 pm->stats.last_wake_event;
127
128 return 0;
129}