1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
// SPDX-License-Identifier: ISC
/* Copyright (C) 2019 MediaTek Inc.
*
* Author: Ryder Lee <ryder.lee@mediatek.com>
* Felix Fietkau <nbd@nbd.name>
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include "mt7615.h"
#include "mcu.h"
static const struct pci_device_id mt7615_pci_device_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7615) },
{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7663) },
{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7611) },
{ },
};
static int mt7615_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
const u32 *map;
int ret;
ret = pcim_enable_device(pdev);
if (ret)
return ret;
ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
if (ret)
return ret;
pci_set_master(pdev);
ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
if (ret < 0)
return ret;
ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (ret)
goto error;
mt76_pci_disable_aspm(pdev);
map = id->device == 0x7663 ? mt7663e_reg_map : mt7615e_reg_map;
ret = mt7615_mmio_probe(&pdev->dev, pcim_iomap_table(pdev)[0],
pdev->irq, map);
if (ret)
goto error;
return 0;
error:
pci_free_irq_vectors(pdev);
return ret;
}
static void mt7615_pci_remove(struct pci_dev *pdev)
{
struct mt76_dev *mdev = pci_get_drvdata(pdev);
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
mt7615_unregister_device(dev);
devm_free_irq(&pdev->dev, pdev->irq, dev);
pci_free_irq_vectors(pdev);
}
#ifdef CONFIG_PM
static int mt7615_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct mt76_dev *mdev = pci_get_drvdata(pdev);
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
bool hif_suspend;
int i, err;
err = mt76_connac_pm_wake(&dev->mphy, &dev->pm);
if (err < 0)
return err;
hif_suspend = !test_bit(MT76_STATE_SUSPEND, &dev->mphy.state) &&
mt7615_firmware_offload(dev);
if (hif_suspend) {
err = mt76_connac_mcu_set_hif_suspend(mdev, true);
if (err)
return err;
}
napi_disable(&mdev->tx_napi);
mt76_worker_disable(&mdev->tx_worker);
mt76_for_each_q_rx(mdev, i) {
napi_disable(&mdev->napi[i]);
}
tasklet_kill(&dev->irq_tasklet);
mt7615_dma_reset(dev);
err = mt7615_wait_pdma_busy(dev);
if (err)
goto restore;
if (is_mt7663(mdev)) {
mt76_set(dev, MT_PDMA_SLP_PROT, MT_PDMA_AXI_SLPPROT_ENABLE);
if (!mt76_poll_msec(dev, MT_PDMA_SLP_PROT,
MT_PDMA_AXI_SLPPROT_RDY,
MT_PDMA_AXI_SLPPROT_RDY, 1000)) {
dev_err(mdev->dev, "PDMA sleep protection failed\n");
err = -EIO;
goto restore;
}
}
pci_enable_wake(pdev, pci_choose_state(pdev, state), true);
pci_save_state(pdev);
err = pci_set_power_state(pdev, pci_choose_state(pdev, state));
if (err)
goto restore;
err = mt7615_mcu_set_fw_ctrl(dev);
if (err)
goto restore;
return 0;
restore:
mt76_for_each_q_rx(mdev, i) {
napi_enable(&mdev->napi[i]);
}
napi_enable(&mdev->tx_napi);
if (hif_suspend)
mt76_connac_mcu_set_hif_suspend(mdev, false);
return err;
}
static int mt7615_pci_resume(struct pci_dev *pdev)
{
struct mt76_dev *mdev = pci_get_drvdata(pdev);
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
bool pdma_reset;
int i, err;
err = mt7615_mcu_set_drv_ctrl(dev);
if (err < 0)
return err;
err = pci_set_power_state(pdev, PCI_D0);
if (err)
return err;
pci_restore_state(pdev);
if (is_mt7663(&dev->mt76)) {
mt76_clear(dev, MT_PDMA_SLP_PROT, MT_PDMA_AXI_SLPPROT_ENABLE);
mt76_wr(dev, MT_PCIE_IRQ_ENABLE, 1);
}
pdma_reset = !mt76_rr(dev, MT_WPDMA_TX_RING0_CTRL0) &&
!mt76_rr(dev, MT_WPDMA_TX_RING0_CTRL1);
if (pdma_reset)
dev_err(mdev->dev, "PDMA engine must be reinitialized\n");
mt76_worker_enable(&mdev->tx_worker);
local_bh_disable();
mt76_for_each_q_rx(mdev, i) {
napi_enable(&mdev->napi[i]);
napi_schedule(&mdev->napi[i]);
}
napi_enable(&mdev->tx_napi);
napi_schedule(&mdev->tx_napi);
local_bh_enable();
if (!test_bit(MT76_STATE_SUSPEND, &dev->mphy.state) &&
mt7615_firmware_offload(dev))
err = mt76_connac_mcu_set_hif_suspend(mdev, false);
return err;
}
#endif /* CONFIG_PM */
struct pci_driver mt7615_pci_driver = {
.name = KBUILD_MODNAME,
.id_table = mt7615_pci_device_table,
.probe = mt7615_pci_probe,
.remove = mt7615_pci_remove,
#ifdef CONFIG_PM
.suspend = mt7615_pci_suspend,
.resume = mt7615_pci_resume,
#endif /* CONFIG_PM */
};
MODULE_DEVICE_TABLE(pci, mt7615_pci_device_table);
MODULE_FIRMWARE(MT7615_FIRMWARE_CR4);
MODULE_FIRMWARE(MT7615_FIRMWARE_N9);
MODULE_FIRMWARE(MT7615_ROM_PATCH);
MODULE_FIRMWARE(MT7663_OFFLOAD_FIRMWARE_N9);
MODULE_FIRMWARE(MT7663_OFFLOAD_ROM_PATCH);
MODULE_FIRMWARE(MT7663_FIRMWARE_N9);
MODULE_FIRMWARE(MT7663_ROM_PATCH);
|
