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Bluetooth: btmtksdio: enable bluetooth wakeup in system suspend

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The BTMTKSDIO_BT_WAKE_ENABLED flag is set for bluetooth interrupt
during system suspend and increases wakeup count for bluetooth event.

Signed-off-by: Zhengping Jiang <jiangzp@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Zhengping Jiang 2023-10-13 12:47:07 -07:00 committed by Luiz Augusto von Dentz
parent da06ff1f58
commit 4ed924fc12
1 changed files with 38 additions and 6 deletions
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44
drivers/bluetooth/btmtksdio.c
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@ -118,6 +118,7 @@ MODULE_DEVICE_TABLE(sdio, btmtksdio_table);
#define BTMTKSDIO_FUNC_ENABLED 3
#define BTMTKSDIO_PATCH_ENABLED 4
#define BTMTKSDIO_HW_RESET_ACTIVE 5
#define BTMTKSDIO_BT_WAKE_ENABLED 6
struct mtkbtsdio_hdr {
__le16 len;
@ -554,7 +555,7 @@ static void btmtksdio_txrx_work(struct work_struct *work)
sdio_claim_host(bdev->func);
/* Disable interrupt */
sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, 0);
sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, NULL);
txrx_timeout = jiffies + 5 * HZ;
@ -576,7 +577,7 @@ static void btmtksdio_txrx_work(struct work_struct *work)
if ((int_status & FW_MAILBOX_INT) &&
bdev->data->chipid == 0x7921) {
sdio_writel(bdev->func, PH2DSM0R_DRIVER_OWN,
MTK_REG_PH2DSM0R, 0);
MTK_REG_PH2DSM0R, NULL);
}
if (int_status & FW_OWN_BACK_INT)
@ -608,7 +609,7 @@ static void btmtksdio_txrx_work(struct work_struct *work)
} while (int_status || time_is_before_jiffies(txrx_timeout));
/* Enable interrupt */
sdio_writel(bdev->func, C_INT_EN_SET, MTK_REG_CHLPCR, 0);
sdio_writel(bdev->func, C_INT_EN_SET, MTK_REG_CHLPCR, NULL);
sdio_release_host(bdev->func);
@ -620,8 +621,14 @@ static void btmtksdio_interrupt(struct sdio_func *func)
{
struct btmtksdio_dev *bdev = sdio_get_drvdata(func);
if (test_bit(BTMTKSDIO_BT_WAKE_ENABLED, &bdev->tx_state)) {
if (bdev->hdev->suspended)
pm_wakeup_event(bdev->dev, 0);
clear_bit(BTMTKSDIO_BT_WAKE_ENABLED, &bdev->tx_state);
}
/* Disable interrupt */
sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, 0);
sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, NULL);
schedule_work(&bdev->txrx_work);
}
@ -1454,6 +1461,23 @@ static int btmtksdio_runtime_suspend(struct device *dev)
return err;
}
static int btmtksdio_system_suspend(struct device *dev)
{
struct sdio_func *func = dev_to_sdio_func(dev);
struct btmtksdio_dev *bdev;
bdev = sdio_get_drvdata(func);
if (!bdev)
return 0;
if (!test_bit(BTMTKSDIO_FUNC_ENABLED, &bdev->tx_state))
return 0;
set_bit(BTMTKSDIO_BT_WAKE_ENABLED, &bdev->tx_state);
return btmtksdio_runtime_suspend(dev);
}
static int btmtksdio_runtime_resume(struct device *dev)
{
struct sdio_func *func = dev_to_sdio_func(dev);
@ -1474,8 +1498,16 @@ static int btmtksdio_runtime_resume(struct device *dev)
return err;
}
static UNIVERSAL_DEV_PM_OPS(btmtksdio_pm_ops, btmtksdio_runtime_suspend,
btmtksdio_runtime_resume, NULL);
static int btmtksdio_system_resume(struct device *dev)
{
return btmtksdio_runtime_resume(dev);
}
static const struct dev_pm_ops btmtksdio_pm_ops = {
SYSTEM_SLEEP_PM_OPS(btmtksdio_system_suspend, btmtksdio_system_resume)
RUNTIME_PM_OPS(btmtksdio_runtime_suspend, btmtksdio_runtime_resume, NULL)
};
#define BTMTKSDIO_PM_OPS (&btmtksdio_pm_ops)
#else /* CONFIG_PM */
#define BTMTKSDIO_PM_OPS NULL