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mt6622: support wake up host

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This commit is contained in:
hwg 2013-07-03 17:08:35 +08:00
parent b9ec311ce0
commit ef49919498
4 changed files with 20 additions and 3 deletions
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3
drivers/mtk_wcn_bt/bt_eirq_handler.c
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@ -60,7 +60,7 @@ if(eint_handle_method == 0) {
//BT_HWCTL_ALERT("hdev is NULL\n");
}else{
//BT_HWCTL_ALERT("EINT arrives! notify host wakeup\n");
printk("Send host wakeup command\n");
//printk("Send host wakeup command\n");
hci_send_cmd(hdev, 0xFCC1, 0, NULL);
/* enable irq after receiving host wakeup command's event */
}
@ -70,6 +70,7 @@ if(eint_handle_method == 0) {
/* Maybe handle the interrupt in user space? */
eint_gen = 1;
wake_up_interruptible(&eint_wait);
/* Send host wakeup command in user space, enable irq then */
//#endif
}

1
drivers/mtk_wcn_bt/bt_hwctl.h
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@ -41,6 +41,7 @@
#include <linux/types.h>
#include <linux/irq.h>
#include <linux/rfkill-rk.h>
#include <linux/wakelock.h>
struct gpio_set {
unsigned int gpio;

16
drivers/mtk_wcn_bt/bt_hwctl_dev.c
View File

@ -85,6 +85,8 @@ wait_queue_head_t eint_wait;
int eint_gen;
int eint_mask;
int eint_handle_method = 0; // 0: for 4.1; 1: for 4.2
struct wake_lock mt6622_irq_wakelock;
int mt6622_suspend_flag;
struct bt_hwctl {
bool powerup;
@ -202,6 +204,12 @@ static unsigned int bt_hwctl_poll(struct file *file, poll_table *wait)
wait_event_interruptible(eint_wait, (eint_gen == 1 || eint_mask == 1));
BT_HWCTL_DEBUG("bt_hwctl_poll eint_gen %d, eint_mask %d --\n", eint_gen, eint_mask);
if(mt6622_suspend_flag == 1) {
printk("mt6622 wake lock 5000ms\n");
mt6622_suspend_flag = 0;
wake_lock_timeout(&mt6622_irq_wakelock, msecs_to_jiffies(5000));
}
if(eint_gen == 1){
mask = POLLIN|POLLRDNORM;
eint_gen = 0;
@ -310,8 +318,8 @@ static struct file_operations bt_hwctl_fops = {
static struct platform_driver mt6622_driver = {
.probe = mt6622_probe,
.remove = mt6622_remove,
//.suspend = mt6622_suspend,
//.resume = mt6622_resume,
.suspend = mt6622_suspend,
.resume = mt6622_resume,
.driver = {
.name = "mt6622",
.owner = THIS_MODULE,
@ -365,6 +373,8 @@ static int __init bt_hwctl_init(void)
init_waitqueue_head(&eint_wait);
wake_lock_init(&mt6622_irq_wakelock, WAKE_LOCK_SUSPEND, "mt6622_irq_wakelock");
/*INIT_WORK(&mtk_wcn_bt_event_work, mtk_wcn_bt_work_fun);
mtk_wcn_bt_workqueue = create_singlethread_workqueue("mtk_wcn_bt");
if (!mtk_wcn_bt_workqueue) {
@ -398,6 +408,8 @@ static void __exit bt_hwctl_exit(void)
{
BT_HWCTL_DEBUG("bt_hwctl_exit\n");
wake_lock_destroy(&mt6622_irq_wakelock);
platform_driver_unregister(&mt6622_driver);
if (bh){

3
drivers/mtk_wcn_bt/bt_plat_smdk.c
View File

@ -46,6 +46,8 @@
#include "bt_hwctl.h"
extern int mt6622_suspend_flag;
/****************************************************************************
* C O N S T A N T S *
*****************************************************************************/
@ -105,6 +107,7 @@ int mt6622_suspend(struct platform_device *pdev, pm_message_t state)
{
if(irq_num != -1) {
printk(KERN_INFO MODULE_TAG "mt6622_suspend\n");
mt6622_suspend_flag = 1;
enable_irq_wake(irq_num);
}
return 0;