Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Bluetooth: btmtk: add MT7902 SDIO support
Add MT7902 Bluetooth SDIO support by introducing chip data and
registering the device ID.
Runtime PM is not yet supported by the driver, but normal operation
is unaffected.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
authored by
Sean Wang
and committed by
Luiz Augusto von Dentz
7f2c3c49
22fd19bf
+29
-13
+29
-13
drivers/bluetooth/btmtksdio.c
+29
-13
drivers/bluetooth/btmtksdio.c
···
42
42
const char *fwname;
43
43
u16 chipid;
44
44
bool lp_mbox_supported;
45
+
bool pm_runtime_supported;
45
46
};
46
47
47
48
static const struct btmtksdio_data mt7663_data = {
48
49
.fwname = FIRMWARE_MT7663,
49
50
.chipid = 0x7663,
50
51
.lp_mbox_supported = false,
52
+
.pm_runtime_supported = true,
51
53
};
52
54
53
55
static const struct btmtksdio_data mt7668_data = {
54
56
.fwname = FIRMWARE_MT7668,
55
57
.chipid = 0x7668,
56
58
.lp_mbox_supported = false,
59
+
.pm_runtime_supported = true,
57
60
};
58
61
59
62
static const struct btmtksdio_data mt7921_data = {
60
63
.fwname = FIRMWARE_MT7961,
61
64
.chipid = 0x7921,
62
65
.lp_mbox_supported = true,
66
+
.pm_runtime_supported = true,
67
+
};
68
+
69
+
static const struct btmtksdio_data mt7902_data = {
70
+
.fwname = FIRMWARE_MT7902,
71
+
.chipid = 0x7902,
72
+
.lp_mbox_supported = false,
73
+
.pm_runtime_supported = false,
63
74
};
64
75
65
76
static const struct sdio_device_id btmtksdio_table[] = {
···
80
69
.driver_data = (kernel_ulong_t)&mt7668_data },
81
70
{SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, SDIO_DEVICE_ID_MEDIATEK_MT7961),
82
71
.driver_data = (kernel_ulong_t)&mt7921_data },
72
+
{SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, SDIO_DEVICE_ID_MEDIATEK_MT7902),
73
+
.driver_data = (kernel_ulong_t)&mt7902_data },
83
74
{ } /* Terminating entry */
84
75
};
85
76
MODULE_DEVICE_TABLE(sdio, btmtksdio_table);
···
1103
1090
set_bit(BTMTKSDIO_HW_TX_READY, &bdev->tx_state);
1104
1091
1105
1092
switch (bdev->data->chipid) {
1093
+
case 0x7902:
1106
1094
case 0x7921:
1107
1095
if (test_bit(BTMTKSDIO_HW_RESET_ACTIVE, &bdev->tx_state)) {
1108
1096
err = btmtksdio_mtk_reg_read(hdev, MT7921_DLSTATUS,
···
1181
1167
delta = ktime_sub(rettime, calltime);
1182
1168
duration = (unsigned long long)ktime_to_ns(delta) >> 10;
1183
1169
1184
-
pm_runtime_set_autosuspend_delay(bdev->dev,
1185
-
MTKBTSDIO_AUTOSUSPEND_DELAY);
1186
-
pm_runtime_use_autosuspend(bdev->dev);
1170
+
if (bdev->data->pm_runtime_supported) {
1171
+
pm_runtime_set_autosuspend_delay(bdev->dev,
1172
+
MTKBTSDIO_AUTOSUSPEND_DELAY);
1173
+
pm_runtime_use_autosuspend(bdev->dev);
1187
1174
1188
-
err = pm_runtime_set_active(bdev->dev);
1189
-
if (err < 0)
1190
-
return err;
1175
+
err = pm_runtime_set_active(bdev->dev);
1176
+
if (err < 0)
1177
+
return err;
1191
1178
1192
-
/* Default forbid runtime auto suspend, that can be allowed by
1193
-
* enable_autosuspend flag or the PM runtime entry under sysfs.
1194
-
*/
1195
-
pm_runtime_forbid(bdev->dev);
1196
-
pm_runtime_enable(bdev->dev);
1179
+
/* Default forbid runtime auto suspend, that can be allowed by
1180
+
* enable_autosuspend flag or the PM runtime entry under sysfs.
1181
+
*/
1182
+
pm_runtime_forbid(bdev->dev);
1183
+
pm_runtime_enable(bdev->dev);
1197
1184
1198
-
if (enable_autosuspend)
1199
-
pm_runtime_allow(bdev->dev);
1185
+
if (enable_autosuspend)
1186
+
pm_runtime_allow(bdev->dev);
1187
+
}
1200
1188
1201
1189
bt_dev_info(hdev, "Device setup in %llu usecs", duration);
1202
1190