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BT: enable bt_wakeup_host irq when system entern deep slep

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This commit is contained in:
CMY
2012-05-23 18:32:02 +08:00
parent d60f44699a
commit 9840f354b3
1 changed files with 51 additions and 31 deletions
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82
arch/arm/mach-rk30/board-rk30-sdk-rfkill.c
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@@ -27,11 +27,13 @@
#include <mach/board.h>
#if 0
#define DBG(x...) printk(KERN_INFO x)
#define DBG(x...) printk(KERN_INFO "[BT_RFKILL]: "x)
#else
#define DBG(x...)
#endif
#define LOG(x...) printk(KERN_INFO "[BT_RFKILL]: "x)
#ifdef CONFIG_BCM4329
#define WIFI_BT_POWER_TOGGLE 1
#else
@@ -93,6 +95,7 @@
// BT wakeup host pin
#define BT_GPIO_WAKE_UP_HOST RK30_PIN6_PA7
#define BT_IRQ_WAKE_UP_HOST gpio_to_irq(BT_GPIO_WAKE_UP_HOST)
#define IOMUX_BT_GPIO_WAKE_UP_HOST()
//bt cts paired to uart rts
@@ -136,7 +139,7 @@ extern int rk29sdk_wifi_power_state;
struct bt_ctrl gBtCtrl;
struct timer_list bt_sleep_tl;
#if BT_WAKE_HOST_SUPPORT
void resetBtHostSleepTimer(void)
{
@@ -146,7 +149,7 @@ void resetBtHostSleepTimer(void)
void btWakeupHostLock(void)
{
if(gBtCtrl.b_HostWake == false){
DBG("*************************Lock\n");
DBG("** Lock **\n");
wake_lock(&(gBtCtrl.bt_wakelock));
gBtCtrl.b_HostWake = true;
}
@@ -155,7 +158,7 @@ void btWakeupHostLock(void)
void btWakeupHostUnlock(void)
{
if(gBtCtrl.b_HostWake == true){
DBG("*************************UnLock\n");
DBG("** UnLock **\n");
wake_unlock(&(gBtCtrl.bt_wakelock)); //<2F><>ϵͳ˯<CDB3><CBAF>
gBtCtrl.b_HostWake = false;
}
@@ -163,15 +166,28 @@ void btWakeupHostUnlock(void)
static void timer_hostSleep(unsigned long arg)
{
DBG("%s---b_HostWake=%d\n",__FUNCTION__,gBtCtrl.b_HostWake);
DBG("b_HostWake=%d\n", gBtCtrl.b_HostWake);
btWakeupHostUnlock();
}
void bcm4325_sleep(unsigned long bSleep);
#ifdef CONFIG_PM
static irqreturn_t bcm4329_wake_host_irq(int irq, void *dev)
{
DBG("%s\n",__FUNCTION__);
btWakeupHostLock();
resetBtHostSleepTimer();
return IRQ_HANDLED;
}
static void rfkill_do_wakeup(struct work_struct *work)
{
// disable bt wakeup host
DBG("** free irq\n");
free_irq(BT_IRQ_WAKE_UP_HOST, NULL);
DBG("Enable UART_RTS\n");
gpio_set_value(UART_RTS, GPIO_LOW);
IOMUX_UART_RTS();
@@ -183,6 +199,8 @@ static int bcm4329_rfkill_suspend(struct platform_device *pdev, pm_message_t sta
{
DBG("%s\n",__FUNCTION__);
cancel_delayed_work(&wakeup_work);
#ifdef CONFIG_BT_AUTOSLEEP
bcm4325_sleep(1);
#endif
@@ -193,6 +211,17 @@ static int bcm4329_rfkill_suspend(struct platform_device *pdev, pm_message_t sta
gpio_request(UART_RTS, "uart_rts");
gpio_set_value(UART_RTS, GPIO_HIGH);
// enable bt wakeup host
DBG("Request irq for bt wakeup host\n");
if (0 == request_irq(BT_IRQ_WAKE_UP_HOST,
bcm4329_wake_host_irq,
IRQF_TRIGGER_FALLING,
"bt_wake",
NULL))
enable_irq_wake(BT_IRQ_WAKE_UP_HOST);
else
LOG("Failed to request BT_WAKE_UP_HOST irq\n");
#ifdef CONFIG_RFKILL_RESET
extern void rfkill_set_block(struct rfkill *rfkill, bool blocked);
rfkill_set_block(gBtCtrl.bt_rfk, true);
@@ -203,8 +232,14 @@ static int bcm4329_rfkill_suspend(struct platform_device *pdev, pm_message_t sta
static int bcm4329_rfkill_resume(struct platform_device *pdev)
{
DBG("%s\n",__FUNCTION__);
DBG("%s\n",__FUNCTION__);
// ϵͳ<CFB5>˳<EFBFBD><CBB3><EFBFBD><EFBFBD><EFBFBD>˯<EFBFBD>ߺ<EFBFBD><DFBA><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>RTS<54><53><EFBFBD>Ӷ<EFBFBD><D3B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>BT<42><54><EFBFBD><EFBFBD><EFBFBD>ݹ<EFBFBD><DDB9><EFBFBD>
// <20><><EFBFBD><EFBFBD>Ŀǰ<C4BF><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>resume<6D><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>RTS<54>ᵼ<EFBFBD><E1B5BC>BT<42><54><EFBFBD>ݶ<EFBFBD>ʧ
// <20><><EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD>1s<31><73><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>RTS
// ϵͳ<CFB5>˳<EFBFBD><CBB3><EFBFBD><EFBFBD><EFBFBD>˯<EFBFBD><CBAF>ʱ<EFBFBD>ͷŵ<CDB7>BT_IRQ_WAKE_UP_HOST<53><54><EFBFBD><EFBFBD>˯<EFBFBD><CBAF>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD><EFBFBD>룬Ŀǰ<C4BF><C7B0><EFBFBD><EFBFBD><EFBFBD>жϻص<CFBB><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>resume<6D><65><EFBFBD><EFBFBD>ִ<EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD>resume
// ʱֱ<CAB1><D6B1>free<65><65>IRQ<52><51><EFBFBD>ᵼ<EFBFBD><E1B5BC><EFBFBD>жϻص<CFBB><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᱻִ<E1B1BB>У<EFBFBD>
DBG("delay 1s\n");
schedule_delayed_work(&wakeup_work, HZ);
@@ -215,14 +250,6 @@ static int bcm4329_rfkill_resume(struct platform_device *pdev)
#define bcm4329_rfkill_resume NULL
#endif
static irqreturn_t bcm4329_wake_host_irq(int irq, void *dev)
{
DBG("%s\n",__FUNCTION__);
btWakeupHostLock();
resetBtHostSleepTimer();
return IRQ_HANDLED;
}
#endif
void bcm4325_sleep(unsigned long bSleep)
@@ -243,7 +270,7 @@ void bcm4325_sleep(unsigned long bSleep)
static int bcm4329_set_block(void *data, bool blocked)
{
DBG("%s---blocked :%d\n", __FUNCTION__, blocked);
DBG("set blocked :%d\n", blocked);
IOMUX_BT_GPIO_POWER();
IOMUX_BT_GPIO_RESET();
@@ -292,7 +319,7 @@ static int __devinit bcm4329_rfkill_probe(struct platform_device *pdev)
int rc = 0;
bool default_state = true;
DBG("Enter::%s,line=%d\n",__FUNCTION__,__LINE__);
DBG("Enter %s\n",__FUNCTION__);
/* default to bluetooth off */
bcm4329_set_block(NULL, default_state); /* blocked -> bt off */
@@ -305,7 +332,7 @@ static int __devinit bcm4329_rfkill_probe(struct platform_device *pdev)
if (!gBtCtrl.bt_rfk)
{
printk("fail to rfkill_allocate************\n");
LOG("fail to rfkill_allocate\n");
return -ENOMEM;
}
@@ -314,7 +341,7 @@ static int __devinit bcm4329_rfkill_probe(struct platform_device *pdev)
rc = rfkill_register(gBtCtrl.bt_rfk);
if (rc)
{
printk("failed to rfkill_register,rc=0x%x\n",rc);
LOG("failed to rfkill_register,rc=0x%x\n",rc);
rfkill_destroy(gBtCtrl.bt_rfk);
}
@@ -341,22 +368,15 @@ static int __devinit bcm4329_rfkill_probe(struct platform_device *pdev)
rc = gpio_request(BT_GPIO_WAKE_UP_HOST, "bt_wake");
if (rc) {
printk("%s:failed to request BT_WAKE_UP_HOST\n",__FUNCTION__);
LOG("Failed to request BT_WAKE_UP_HOST\n");
}
IOMUX_BT_GPIO_WAKE_UP_HOST();
gpio_pull_updown(BT_GPIO_WAKE_UP_HOST,GPIOPullUp);
rc = request_irq(gpio_to_irq(BT_GPIO_WAKE_UP_HOST),bcm4329_wake_host_irq,IRQF_TRIGGER_FALLING,"bt_wake",NULL);
if(rc)
{
printk("%s:failed to request BT_WAKE_UP_HOST irq\n",__FUNCTION__);
gpio_free(BT_GPIO_WAKE_UP_HOST);
}
enable_irq_wake(gpio_to_irq(BT_GPIO_WAKE_UP_HOST)); // so BT_WAKE_UP_HOST can wake up system
printk(KERN_INFO "bcm4329 module has been initialized,rc=0x%x\n",rc);
#endif
LOG("bcm4329 module has been initialized,rc=0x%x\n",rc);
return rc;
}
@@ -377,7 +397,7 @@ static int __devexit bcm4329_rfkill_remove(struct platform_device *pdev)
platform_set_drvdata(pdev, NULL);
DBG("Enter::%s,line=%d\n",__FUNCTION__,__LINE__);
DBG("Enter %s\n",__FUNCTION__);
return 0;
}
@@ -400,9 +420,9 @@ static struct platform_driver bcm4329_rfkill_driver = {
static int __init bcm4329_mod_init(void)
{
int ret;
DBG("Enter::%s,line=%d\n",__FUNCTION__,__LINE__);
DBG("Enter %s\n",__FUNCTION__);
ret = platform_driver_register(&bcm4329_rfkill_driver);
printk("ret=0x%x\n", ret);
LOG("ret=0x%x\n", ret);
return ret;
}