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
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
|
// SPDX-License-Identifier: ISC
/* Copyright (C) 2023 MediaTek Inc. */
#include <linux/etherdevice.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/thermal.h>
#include <linux/firmware.h>
#include "mt7925.h"
#include "mac.h"
#include "mcu.h"
static ssize_t mt7925_thermal_temp_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
switch (to_sensor_dev_attr(attr)->index) {
case 0: {
struct mt792x_phy *phy = dev_get_drvdata(dev);
struct mt792x_dev *mdev = phy->dev;
int temperature;
mt792x_mutex_acquire(mdev);
temperature = mt7925_mcu_get_temperature(phy);
mt792x_mutex_release(mdev);
if (temperature < 0)
return temperature;
/* display in millidegree Celsius */
return sprintf(buf, "%u\n", temperature * 1000);
}
default:
return -EINVAL;
}
}
static SENSOR_DEVICE_ATTR_RO(temp1_input, mt7925_thermal_temp, 0);
static struct attribute *mt7925_hwmon_attrs[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr,
NULL,
};
ATTRIBUTE_GROUPS(mt7925_hwmon);
static int mt7925_thermal_init(struct mt792x_phy *phy)
{
struct wiphy *wiphy = phy->mt76->hw->wiphy;
struct device *hwmon;
const char *name;
if (!IS_REACHABLE(CONFIG_HWMON))
return 0;
name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7925_%s",
wiphy_name(wiphy));
hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy,
mt7925_hwmon_groups);
return PTR_ERR_OR_ZERO(hwmon);
}
static void
mt7925_regd_notifier(struct wiphy *wiphy,
struct regulatory_request *req)
{
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt76_dev *mdev = &dev->mt76;
/* allow world regdom at the first boot only */
if (!memcmp(req->alpha2, "00", 2) &&
mdev->alpha2[0] && mdev->alpha2[1])
return;
/* do not need to update the same country twice */
if (!memcmp(req->alpha2, mdev->alpha2, 2) &&
dev->country_ie_env == req->country_ie_env)
return;
memcpy(mdev->alpha2, req->alpha2, 2);
mdev->region = req->dfs_region;
dev->country_ie_env = req->country_ie_env;
mt792x_mutex_acquire(dev);
mt7925_mcu_set_clc(dev, req->alpha2, req->country_ie_env);
mt7925_mcu_set_channel_domain(hw->priv);
mt7925_set_tx_sar_pwr(hw, NULL);
mt792x_mutex_release(dev);
}
static void mt7925_mac_init_basic_rates(struct mt792x_dev *dev)
{
int i;
for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) {
u16 rate = mt76_rates[i].hw_value;
u16 idx = MT792x_BASIC_RATES_TBL + i;
rate = FIELD_PREP(MT_TX_RATE_MODE, rate >> 8) |
FIELD_PREP(MT_TX_RATE_IDX, rate & GENMASK(7, 0));
mt7925_mac_set_fixed_rate_table(dev, idx, rate);
}
}
int mt7925_mac_init(struct mt792x_dev *dev)
{
int i;
mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);
/* enable hardware de-agg */
mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
for (i = 0; i < MT792x_WTBL_SIZE; i++)
mt7925_mac_wtbl_update(dev, i,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
for (i = 0; i < 2; i++)
mt792x_mac_init_band(dev, i);
mt7925_mac_init_basic_rates(dev);
memzero_explicit(&dev->mt76.alpha2, sizeof(dev->mt76.alpha2));
return 0;
}
EXPORT_SYMBOL_GPL(mt7925_mac_init);
static int __mt7925_init_hardware(struct mt792x_dev *dev)
{
int ret;
ret = mt792x_mcu_init(dev);
if (ret)
goto out;
mt76_eeprom_override(&dev->mphy);
ret = mt7925_mcu_set_eeprom(dev);
if (ret)
goto out;
ret = mt7925_mac_init(dev);
if (ret)
goto out;
out:
return ret;
}
static int mt7925_init_hardware(struct mt792x_dev *dev)
{
int ret, i;
set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
for (i = 0; i < MT792x_MCU_INIT_RETRY_COUNT; i++) {
ret = __mt7925_init_hardware(dev);
if (!ret)
break;
mt792x_init_reset(dev);
}
if (i == MT792x_MCU_INIT_RETRY_COUNT) {
dev_err(dev->mt76.dev, "hardware init failed\n");
return ret;
}
return 0;
}
static void mt7925_init_work(struct work_struct *work)
{
struct mt792x_dev *dev = container_of(work, struct mt792x_dev,
init_work);
int ret;
ret = mt7925_init_hardware(dev);
if (ret)
return;
mt76_set_stream_caps(&dev->mphy, true);
mt7925_set_stream_he_eht_caps(&dev->phy);
ret = mt76_register_device(&dev->mt76, true, mt76_rates,
ARRAY_SIZE(mt76_rates));
if (ret) {
dev_err(dev->mt76.dev, "register device failed\n");
return;
}
ret = mt7925_init_debugfs(dev);
if (ret) {
dev_err(dev->mt76.dev, "register debugfs failed\n");
return;
}
ret = mt7925_thermal_init(&dev->phy);
if (ret) {
dev_err(dev->mt76.dev, "thermal init failed\n");
return;
}
/* we support chip reset now */
dev->hw_init_done = true;
mt7925_mcu_set_deep_sleep(dev, dev->pm.ds_enable);
}
int mt7925_register_device(struct mt792x_dev *dev)
{
struct ieee80211_hw *hw = mt76_hw(dev);
int ret;
dev->phy.dev = dev;
dev->phy.mt76 = &dev->mt76.phy;
dev->mt76.phy.priv = &dev->phy;
dev->mt76.tx_worker.fn = mt792x_tx_worker;
INIT_DELAYED_WORK(&dev->pm.ps_work, mt792x_pm_power_save_work);
INIT_WORK(&dev->pm.wake_work, mt792x_pm_wake_work);
spin_lock_init(&dev->pm.wake.lock);
mutex_init(&dev->pm.mutex);
init_waitqueue_head(&dev->pm.wait);
spin_lock_init(&dev->pm.txq_lock);
INIT_DELAYED_WORK(&dev->mphy.mac_work, mt792x_mac_work);
INIT_DELAYED_WORK(&dev->phy.scan_work, mt7925_scan_work);
INIT_DELAYED_WORK(&dev->coredump.work, mt7925_coredump_work);
#if IS_ENABLED(CONFIG_IPV6)
INIT_WORK(&dev->ipv6_ns_work, mt7925_set_ipv6_ns_work);
skb_queue_head_init(&dev->ipv6_ns_list);
#endif
skb_queue_head_init(&dev->phy.scan_event_list);
skb_queue_head_init(&dev->coredump.msg_list);
INIT_WORK(&dev->reset_work, mt7925_mac_reset_work);
INIT_WORK(&dev->init_work, mt7925_init_work);
INIT_WORK(&dev->phy.roc_work, mt7925_roc_work);
timer_setup(&dev->phy.roc_timer, mt792x_roc_timer, 0);
init_waitqueue_head(&dev->phy.roc_wait);
dev->pm.idle_timeout = MT792x_PM_TIMEOUT;
dev->pm.stats.last_wake_event = jiffies;
dev->pm.stats.last_doze_event = jiffies;
if (!mt76_is_usb(&dev->mt76)) {
dev->pm.enable_user = true;
dev->pm.enable = true;
dev->pm.ds_enable_user = true;
dev->pm.ds_enable = true;
}
if (!mt76_is_mmio(&dev->mt76))
hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE;
mt792x_init_acpi_sar(dev);
ret = mt792x_init_wcid(dev);
if (ret)
return ret;
ret = mt792x_init_wiphy(hw);
if (ret)
return ret;
hw->wiphy->reg_notifier = mt7925_regd_notifier;
dev->mphy.sband_2g.sband.ht_cap.cap |=
IEEE80211_HT_CAP_LDPC_CODING |
IEEE80211_HT_CAP_MAX_AMSDU;
dev->mphy.sband_2g.sband.ht_cap.ampdu_density =
IEEE80211_HT_MPDU_DENSITY_2;
dev->mphy.sband_5g.sband.ht_cap.cap |=
IEEE80211_HT_CAP_LDPC_CODING |
IEEE80211_HT_CAP_MAX_AMSDU;
dev->mphy.sband_2g.sband.ht_cap.ampdu_density =
IEEE80211_HT_MPDU_DENSITY_1;
dev->mphy.sband_5g.sband.vht_cap.cap |=
IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
(3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
dev->mphy.sband_5g.sband.vht_cap.cap |=
IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
IEEE80211_VHT_CAP_SHORT_GI_160;
dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
queue_work(system_wq, &dev->init_work);
return 0;
}
EXPORT_SYMBOL_GPL(mt7925_register_device);
|
