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Bluetooth: btmtk: add MT7902 SDIO support

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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>
This commit is contained in:
Sean Wang
2026-02-24 00:13:25 -06:00
committed by Luiz Augusto von Dentz
parent 22fd19bf24
commit 7f2c3c49ba
1 changed files with 29 additions and 13 deletions
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42
drivers/bluetooth/btmtksdio.c
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@@ -42,24 +42,35 @@ struct btmtksdio_data {
const char *fwname;
u16 chipid;
bool lp_mbox_supported;
bool pm_runtime_supported;
};
static const struct btmtksdio_data mt7663_data = {
.fwname = FIRMWARE_MT7663,
.chipid = 0x7663,
.lp_mbox_supported = false,
.pm_runtime_supported = true,
};
static const struct btmtksdio_data mt7668_data = {
.fwname = FIRMWARE_MT7668,
.chipid = 0x7668,
.lp_mbox_supported = false,
.pm_runtime_supported = true,
};
static const struct btmtksdio_data mt7921_data = {
.fwname = FIRMWARE_MT7961,
.chipid = 0x7921,
.lp_mbox_supported = true,
.pm_runtime_supported = true,
};
static const struct btmtksdio_data mt7902_data = {
.fwname = FIRMWARE_MT7902,
.chipid = 0x7902,
.lp_mbox_supported = false,
.pm_runtime_supported = false,
};
static const struct sdio_device_id btmtksdio_table[] = {
@@ -69,6 +80,8 @@ static const struct sdio_device_id btmtksdio_table[] = {
.driver_data = (kernel_ulong_t)&mt7668_data },
{SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, SDIO_DEVICE_ID_MEDIATEK_MT7961),
.driver_data = (kernel_ulong_t)&mt7921_data },
{SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, SDIO_DEVICE_ID_MEDIATEK_MT7902),
.driver_data = (kernel_ulong_t)&mt7902_data },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(sdio, btmtksdio_table);
@@ -1090,6 +1103,7 @@ static int btmtksdio_setup(struct hci_dev *hdev)
set_bit(BTMTKSDIO_HW_TX_READY, &bdev->tx_state);
switch (bdev->data->chipid) {
case 0x7902:
case 0x7921:
if (test_bit(BTMTKSDIO_HW_RESET_ACTIVE, &bdev->tx_state)) {
err = btmtksdio_mtk_reg_read(hdev, MT7921_DLSTATUS,
@@ -1167,22 +1181,24 @@ static int btmtksdio_setup(struct hci_dev *hdev)
delta = ktime_sub(rettime, calltime);
duration = (unsigned long long)ktime_to_ns(delta) >> 10;
pm_runtime_set_autosuspend_delay(bdev->dev,
MTKBTSDIO_AUTOSUSPEND_DELAY);
pm_runtime_use_autosuspend(bdev->dev);
if (bdev->data->pm_runtime_supported) {
pm_runtime_set_autosuspend_delay(bdev->dev,
MTKBTSDIO_AUTOSUSPEND_DELAY);
pm_runtime_use_autosuspend(bdev->dev);
err = pm_runtime_set_active(bdev->dev);
if (err < 0)
return err;
err = pm_runtime_set_active(bdev->dev);
if (err < 0)
return err;
/* Default forbid runtime auto suspend, that can be allowed by
* enable_autosuspend flag or the PM runtime entry under sysfs.
*/
pm_runtime_forbid(bdev->dev);
pm_runtime_enable(bdev->dev);
/* Default forbid runtime auto suspend, that can be allowed by
* enable_autosuspend flag or the PM runtime entry under sysfs.
*/
pm_runtime_forbid(bdev->dev);
pm_runtime_enable(bdev->dev);
if (enable_autosuspend)
pm_runtime_allow(bdev->dev);
if (enable_autosuspend)
pm_runtime_allow(bdev->dev);
}
bt_dev_info(hdev, "Device setup in %llu usecs", duration);